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2017

  1. Epitaxial Growth of Baddeleyite NbON Thin Films on Yttria-Stabilized Zirconia by Pulsed Laser Deposition
    Vitchaphol Motaneeyachart, Yasushi Hirose, Atsushi Suzuki, Shoichiro Nakao, Isao Harayama, Daiichiro Sekiba, and Tetsuya Hasegawa
    Chem. Lett. accepted
    [DOI: 10.1246/cl.170914]
  2. Magnetic and magnetotransport properties of ThCr2Si2-type Ce2O2Bi composed of conducting Bi2− square net and magnetic Ce−O layer
    Shunsuke Shibata, Ryosuke Sei, Tomoteru Fukumura, and Tetsuya Hasegawa
    Appl. Phys. Lett. 110, 192410 (2017).
    [DOI: 10.1063/1.4983280]
  3. Strain Engineering for Anion Arrangement in Perovskite Oxynitrides
    Daichi Oka, Yasushi Hirose, Fumihiko Matsui, Hideyuki Kamisaka, Tamio Oguchi, Naoyuki Maejima, Hiroaki Nishikawa, Takayuki Muro, Kouichi Hayashi, and Tetsuya Hasegawa
    ACS Nano 11, 3860 (2017).
    [DOI: 10.1021/acsnano.7b00144]
  4. The Recovery of a Magnetically Dead Layer on the Surface of an Anatase (Ti,Co)O2 Thin Film via an Ultrathin TiO2 Capping Layer
    Thantip S. Krasienapibal, Tomoteru Fukumura, and Tetsuya Hasegawa
    Electronics 6, 23 (2017).
    [DOI: 10.3390/electronics6010023]
  5. Reversible Changes in Resistance of Perovskite Nickelate NdNiO3 Thin Films Induced by Fluorine Substitution
    Tomoya Onozuka, Akira Chikamatsu, Tsukasa Katayama, Yasushi Hirose, Isao Harayama, Daiichiro Sekiba, Eiji Ikenaga, Makoto Minohara, Hiroshi Kumigashira, and Tetsuya Hasegawa
    ACS Appl. Mater. Interfaces 9, 10882 (2017).
    [DOI: 10.1021/acsami.7b00855]
  6. First-Principles Calculations on the Crystal/Electronic Structure and Phase Stability of H-Doped SrFeO2
    Yuji Kurauchi, Hideyuki Kamisaka, Tsukasa Katayama, Akira Chikamatsu, and Tetsuya Hasegawa
    J. Phys. Chem. C 121, 7478 (2017).
    [DOI: 10.1021/acs.jpcc.6b12863]
  7. Samarium monoxide epitaxial thin film as a possible heavy-fermion compound
    Yutaka Uchida, Kenichi Kaminaga, Tomoteru Fukumura, and Tetsuya Hasegawa
    Phys. Rev. B 95, 125111 (2017).
    [DOI: 10.1103/PhysRevB.95.125111]
  8. Effect of micromorphology on transport properties of Nb-doped anatase TiO2 films: A transmission electron microscopy study
    Daisuke Ogawa, Shoichiro Nakao, Kazuo Morikawa, Mizue Ebisawa, Yasushi Hirose, Tetsuya Hasegawa
    Phys. Status Solidi A., 1600606 (2017).
    [DOI: 10.1002/pssa.201600606]
  9. Strong carrier localization in 3d transition metal oxynitride LaVO3−xNx epitaxial thin films
    M. Sano, Y. Hirose, S. Nakao and T. Hasegawa
    J. Mater. Chem. C 5, 1798 (2017)..
    [DOI: 10.1039/C6TC04160D]

2016

  1. Amorphous ZnOxNy thin films with high electron Hall mobility exceeding 200 cm2 V−1 s−1
    Takanori Yamazaki, Kei Shigematsu, Yasushi Hirose, Shoichiro Nakao, Isao Harayama, Daiichiro Sekiba, and Tetsuya Hasegawa
    Appl. Phys. Lett. 109, 262101 (2016).
    [DOI: 10.1063/1.4973203]
  2. Topotactic fluorination of perovskite strontium ruthenate thin films using polyvinylidene fluoride
    K. Kawahara, A. Chikamatsu, T. Katayama, T. Onozuka, D. Ogawa, K. Morikawa, E. Ikenaga, Y. Hirose, I. Harayama, D. Sekiba, T. Fukumura and T. Hasegawa
    CrystEngComm. 19, 313 (2017).
    [DOI: 10.1039/C6CE02358D]
  3. Structural, electrical, and optical properties of polycrystalline NbO2 thin films grown on glass substrates by solid phase crystallization
    S Nakao, H Kamisaka, Y Hirose, and T Hasegawa
    Phys. Status Solidi A. (2016).
    [DOI: 10.1002/pssa.201600604]
  4. Development of ΔE-E telescope ERDA with 40 MeV 35Cl7+ beam at MALT in the University of Tokyo optimized for analysis of metal oxynitride thin films
    I. Harayama, K. Nagashima, Y. Hirose, H. Matsuzaki, and D. Sekiba
    Nucl. Instr. Meth. Phys. Phys. Res. B 384, 61 (2016).
    [DOI: 10.1016/j.nimb.2016.07.019]
  5. Epitaxial growth and electronic structure of oxyhydride SrVO2H thin films
    Tsukasa Katayama, Akira Chikamatsu, Keisuke Yamada, Kei Shigematsu, Tomoya Onozuka, Makoto Minohara, Hiroshi Kumigashira, Eiji Ikenaga and Tetsuya Hasegawa
    J. Appl. Phys. 120, 085305 (2016).
    [DOI: 10.1063/1.4961446]
  6. Two Dimensional Superconductivity Emerged at Monatomic Bi2− Square Net in Layered Y2O2Bi via Oxygen Incorporation
    Ryosuke Sei, Suguru Kitani, Tomoteru Fukumura, Hitoshi Kawaji, and Tetsuya Hasegawa
    J. Am. Chem. Soc. 138, 11085 (2016).
    [DOI: 10.1021/jacs.6b05275]
  7. Vibrational - Electrical Properties Relationship in Donor Doped TiO2 by Raman Spectroscopy
    P. Mazzolini, V. Russo, C. S. Casari, T. Hitosugi, S. Nakao, T. Hasegawa, and A. L. Bassi
    J. Phys. Chem. C 120, 18878 (2016).
    [DOI: 10.1021/acs.jpcc.6b05282]
  8. Formation of defect-fluorite structured NdNiOxHy epitaxial thin films via a soft chemical route from NdNiO3 precursors
    T. Onozuka, A. Chikamatsu, T. Katayama, T. Fukumura and T. Hasegawa
    Dalton Trans. 45, 12114 (2016).
    [DOI: 10.1039/C6DT01737A]
  9. A divalent rare earth oxide semiconductor: Yttrium monoxide
    Kenichi Kaminaga, Ryosuke Sei, Kouichi Hayashi, Naohisa Happo, Hiroo Tajiri, Daichi Oka, Tomoteru Fukumura and Tetsuya Hasegawa
    Appl. Phys. Lett. 108, 122102 (2016)
    [DOI: 10.1063/1.4944330 ]
  10. Topotactic reductive synthesis of A-site cation-ordered perovskite YBaCo2Ox (x = 4.5–5.5) epitaxial thin films
    Tsukasa Katayama, Akira Chikamatsu, Tomoteru Fukumura, and Tetsuya Hasegawa
    Jpn. J. Appl. Phys. 55, 04EJ05 (2016)
    [DOI: 10.7567/JJAP.55.04EJ05]
  11. Curie temperature of Co-doped TiO2 as functions of carrier density and Co content evaluated from electrical transport and magnetization at low temperature regime
    Thantip S. Krasienapibal, Tomoteru Fukumura and Tetsuya Hasegawa
    AIP Advances 6, 055802 (2016).
    [DOI: 10.1063/1.4942554]
  12. Effects of reductive annealing on insulating polycrystalline thin films of Nb-doped anatase TiO2: recovery of high conductivity
    Shoichiro Nakao, Yasushi Hirose, and Tetsuya Hasegawa
    J. Semicond. 37, 022001 (2016).
    [DOI: 10.1088/1674-4926/37/2/022001]
  13. Indium-free Inverted Organic Solar Cells Using Niobium-doped Titanium Oxide with Integrated Dual Function of Transparent Electrode and Electron Transport Layer
    Il Jeon, Shoichiro Nakao, Yasushi Hirose, Tetsuya Hasegawa, and Yutaka Matsuo
    Adv. Electron. Mater. 2, 1500341 (2016).
    [DOI: 10.1002/aelm.201500341]
  14. Experimental and theoretical investigation of electronic structure of SrFeO3−xFx epitaxial thin films prepared via topotactic reaction
    Tsukasa Katayama, Akira Chikamatsu, Hideyuki Kamisaka, Hiroshi Kumigashira and Tetsuya Hasegawa
    Appl. Phys. Express 9, 025801 (2016).
    [DOI: 10.7567/APEX.9.025801]

2015

  1. Composition-induced structural, electrical, and magnetic phase transitions in AX-type mixed-valence cobalt oxynitride epitaxial thin films
    Jumpei Takahashi, Yasushi Hirose, Daichi Oka, Shoichiro Nakao, Chang Yang, Tomoteru Fukumura, Isao Harayama, Daiichiro Sekiba and Tetsuya Hasegawa
    Appl. Phys. Lett. 107, 231906 (2015).
    [DOI: 10.1063/1.4937431]
  2. Effect of Central Metals on Langmuir-Blodgett Monolayers of Phthalocyanines with Flexible Substituents
    Shungo Kojima, Tomoteru Fukumura, Tetsuya Hasegawa
    e-Journal of Surface Science and Nanotechnology 13, 155 (2015).
    [DOI: 10.1380/ejssnt.2015.155 ]
  3. 2D Electronic Transport with Strong Spin–Orbit Coupling in Bi2– Square Net of Y2O2Bi Thin Film Grown by Multilayer Solid-Phase Epitaxy
    Ryosuke Sei, Tomoteru Fukumura, and Tetsuya Hasegawa
    ACS Appl. Mater. Interfaces 7, 24998 (2015).
    [DOI: 10.1021/acsami.5b07825]
  4. DFT-based ab initio MD simulation of the ionic conduction in doped ZrO2 systems under epitaxial strain
    M. Oka, H. Kamisaka, T. Fukumura and T. Hasegawa
    Phys. Chem. Chem. Phys. 17, 29057 (2015).
    [DOI: 10.1039/C5CP03238E]
  5. Intrinsic high electrical conductivity of stoichiometric SrNbO3 epitaxial thin films
    Daichi Oka, Yasushi Hirose, Shoichiro Nakao, Tomoteru Fukumura, and Tetsuya Hasegawa
    Phys. Rev. B 92, 205102 (2015)
    [DOI: 10.1103/PhysRevB.92.205102]
  6. Suppressed grain-boundary scattering in atomic layer deposited Nb:TiO2 thin films
    Janne-Petteri Niemelä, Yasushi Hirose, Kei Shigematsu, Masahito Sano, Tetsuya Hasegawa and Maarit Karppinen
    Appl. Phys. Lett. 107, 192102 (2015).
    [DOI: 10.1063/1.4935425]
  7. Topotactic synthesis of strontium cobalt oxyhydride thin film with perovskite structure
    Tsukasa Katayama, Akira Chikamatsu, Hideyuki Kamisaka, Yuichi Yokoyama, Yasuyuki Hirata, Hiroki Wadati, Tomoteru Fukumura and Tetsuya Hasegawa
    AIP Advances 5, 107147 (2015).
    [DOI: 10.1063/1.4935190]
  8. Effects of Cr substitution on the magnetic and transport properties and electronic states of SrRuO3 epitaxial thin films
    Kaori Kurita, Akira Chikamatsu, Kei Shigematsu, Tsukasa Katayama, Hiroshi Kumigashira, Tomoteru Fukumura, and Tetsuya Hasegawa
    Phys. Rev. B 92, 115153 (2015).
    [DOI: 10.1103/PhysRevB.92.115153]
  9. Low temperature epitaxial growth of anatase TaON using anatase TiO2 seed layer
    Atsushi Suzuki, Yasushi Hirose, Daichi Oka, Shoichiro Nakao, Tomoteru Fukumura and Tetsuya Hasegawa
    Jpn. J. Appl. Phys. 54 080303 (2015).
    [DOI: 10.7567/JJAP.54.080303]
  10. Observation of magnetic domain structure in anatase (Ti,Co)O2 thin film at room temperature
    Thantip S. Krasienapibal, Shun Inoue, Tomoteru Fukumura and Tetsuya Hasegawa
    Appl. Phys. Let. 106, 202402 (2015).
    [DOI: 10.1063/1.4921464]
  11. Epitaxial Strain-Controlled Ionic Conductivity in Li-Ion Solid Electrolyte Li0.33La0.56TiO3 Thin Films
    Jie Wei, Daisuke Ogawa, Tomoteru Fukumura, Yasushi Hirose, and Tetsuya Hasegawa
    Cryst. Growth Des. 15, 2187 (2015).
    [DOI: 10.1021/cg501834s]
  12. Topotactic reductive fluorination of strontium cobalt oxide epitaxial thin films
    Tsukasa Katayama, Akira Chikamatsu, Yasushi Hirose, Tomoteru Fukumura, and Tetsuya Hasegawa
    J. Sol-Gel Sci. Technol. 73, 527 (2015)
    [DOI: 10.1007/s10971-014-3499-x]
  13. Transition in electron scattering mechanism in atomic layer deposited Nb:TiO2 thin films
    Janne-Petteri Niemelä, Yasushi Hirose, Tetsuya Hasegawa and Maarit Karppinen
    Appl. Phys. Lett. 106, 042101 (2015)
    [DOI: 10.1063/1.4906865]

Articles (in Japanese)

  1. ペロブスカイト型酸窒化物SrTaO2Nの強誘電性とアニオン配列
    岡大地、廣瀬靖、長谷川哲也
    固体物理 50(1), 21 (2015).

2014

  1. Reductive Solid Phase Epitaxy of Layered Y2O2Bi with Bi2– Square Net from (Y, Bi) Powders and Y2O3 Amorphous Thin Film
    Ryousuke Sei, Tomoteru Fukumura, and Tetsuya Hasegawa
    Cryst. Growth Des. 14 4227 (2014)
    [DOI:10.1021/cg5009297]
  2. Improved room temperature electron mobility in self-buffered anatase TiO2 epitaxial thin film grown at low temperature
    Thantip S. Krasienapibal, Tomoteru Fukumura, Yasushi Hirose and Tetsuya Hasegawa
    Jpn. J. Appl. Phys. 53 090305 (2014)
    [DOI:10.7567/JJAP.53.090305]
  3. Stress stabilization of a new ferroelectric phase incorporated into SrTaO2N thin films
    Wenliang Zhu, Hideyuki Kamisaka, Daichi Oka, Yasushi Hirose, Andrea Leto, Tetsuya Hasegawa and Giuseppe Pezzotti
    J. Appl. Phys. 116, 053505 (2014)
    [DOI:10.1063/1.4891981]
  4. Metallic transport and large anomalous Hall effect at room temperature in ferrimagnetic Mn4N epitaxial thin film
    Xi Shen, Akira Chikamatsu, Kei Shigematsu, Yasushi Hirose, Tomoteru Fukumura and Tetsuya Hasegawa
    Appl. Phys. Lett. 105, 072410 (2014)
    [DOI:10.1063/1.4893732]
  5. Lateral Solid-Phase Epitaxy of Oxide Thin Films on Glass Substrate Seeded with Oxide Nanosheets
    Kenji Taira, Yasushi Hirose, Shoichiro Nakao, Naoomi Yamada, Toshihiro Kogure, Tatsuo Shibata, Takayoshi Sasaki, and Tetsuya Hasegawa
    ACS Nano, 8, 6145 (2014)
    [DOI:10.1021/nn501563j]
  6. Sr2MgMoO6-δ thin films fabricated using pulsed-laser deposition with high concentrations of oxygen vacancies
    K. Shigematsu, A. Chikamatsu, T. Fukumura, S. Toyoda, E. Ikenaga and T. Hasegawa
    Appl. Phys. Lett., 104, 261901 (2014)
    [DOI:10.1063/1.4886136]
  7. Topotactic fluorination of strontium iron oxide thin films using polyvinylidene fluoride
    T. Katayama, A. Chikamatsu, Y. Hirose, R. Takagi, H. Kamisaka, T. Fukumura and T. Hasegawa
    J. Mater. Chem. C, 2, 5350 (2014)
    [DOI:10.1039/C4TC00558A]
  8. Possible ferroelectricity in perovskite oxynitride SrTaO2N epitaxial thin films
    Daichi Oka, Yasushi Hirose, Hideyuki Kamisaka, Tomoteru Fukumura, Kimikazu Sasa, Satoshi Ishii, Hiroyuki Matsuzaki, Yukio Sato, Yuichi Ikuhara, and Tetsuya Hasegawa
    Sci. Rep. 4, 4987 (2014)
    [DOI:10.1038/srep04987]
  9. Carrier generation mechanism and effect of tantalum-doping
    in transparent conductive amorphous SnO2 thin films
    Shoichiro Nakao, Yasushi Hirose, Tomoteru Fukumura, and Tetsuya Hasegawa
    Jpn. J. Appl. Phys. 53, 05FX04 (2014)
    [DOI: 10.7567/JJAP.53.05FX04]
  10. Metallic conductivity in infinite-layer strontium iron oxide thin films reduced by calcium hydride
    Tsukasa Katayama, Akira Chikamatsu, Yasushi Hirose, Hiroshi Kumigashira, Tomoteru Fukumura, and Tetsuya Hasegawa
    J. Phys. D: Appl. Phys. 47, 135304 (2014)
    [DOI: 10.1088/0022-3727/47/13/135304]
  11. Fabrication and Properties of Micro Capacitors with a One-Nanometer-Thick Single Ti0.87O2 Nanosheet
    Daisuke Ogawa, Kosho Akatsuka, Tomoteru Fukumura, Minoru Osada, Takayoshi Sasaki, and Tetsuya Hasegawa
    Chem. Lett. 43, 307 (2014)
    [DOI: 10.1246/cl.130925]
  12. Photoelectrochemical Behavior of Self-Assembled Ag/Co Plasmonic Nanostructures Capped with TiO2
    Anri Watanabe, Yuki Kotake, Yoshiomi Kamata, Akira Chikamatsu, Kosei Ueno, Hiroaki Misawa, and Tetsuya Hasegawa
    J. Phys. Chem. Lett., 5, 25 (2014)
    [DOI: 10.1021/jz402320p]
    ACS Live Slides (自動的に音声が再生されます)
  13. Quantum confinement effect in Bi anti-dot thin films with tailored pore wall widths and thicknesses
    Youngok Park, Yasushi Hirose, Shoichiro Nakao, Tomoteru Fukumura, Jimmy Xu and Tetsuya Hasegawa
    Appl. Phys. Lett., 104, 023106 (2014)
    [DOI: 10.1063/1.4861775]
  14. Heteroepitaxial Growth of Perovskite CaTaO2N Thin Films by Nitrogen Plasma-Assisted Pulsed Laser Deposition
    Daichi Oka, Yasushi Hirose, Tomoteru Fukumura, and Tetsuya Hasegawa
    Cryst. Growth Des., 14, 87 (2014)
    [DOI: 10.1021/cg401176j]

Reviews (in Japanese)

  1. 二酸化チタンを用いた透明導電膜の高屈折率化
    中尾祥一郎、長谷川哲也
    (高・低)屈折率材料の作製と屈折率制御技術」、第2章第9節 pp.87-95、
    技術情報協会 (2014).
  2. ヘテロエピタキシャル成長を利用したアナターゼ型酸窒化タンタル単結晶薄膜の合成
    廣瀬靖、鈴木温、長谷川哲也
    FCレポート 32(4), 142 (2014).
  3. 最新のトピックス"狭バンドギャップ強誘電体の開発"
    廣瀬靖、長谷川哲也
    化学 69(8), 69 (2014).

2013

  1. High-Mobility Electron Conduction in Oxynitride: Anatase TaON
    Atsushi Suzuki, Yasushi Hirose, Daichi Oka, Shoichiro Nakao, Tomoteru Fukumura, Satoshi Ishii, Kimikazu Saso, Hiroyuki Matsuzaki, and Tetsuya Hasegawa
    Chem. Mater., 26, 976 (2014)
    [DOI: 10.1021/cm402720d]
  2. TiO2 thin film crystallization temperature lowered by Cu-induced solid phase crystallization
    Yang Chang, Yasushi Hirose, Shoichiro Nakao, and Tetsuya Hasegawa
    Thin Solid Films, 553, 17 (2014)
    [DOI: 10.1016/j.tsf.2013.12.041]
  3. Epitaxial growth of indium oxyfluoride thin films by reactive pulsed laser deposition: structural change induced by fluorine insertion into vacancy sites in bixbyite structure
    Sohei Okazaki, Yasushi Hirose, Shoichiro Nakao, Chang Yang, Isao Harayama, Daiichiro Sekiba, and Tetsuya Hasegawa
    Thin Solid Films, 599, 96 (2014)
    [DOI: 10.1016/j.tsf.2013.11.059]
  4. Structural Variation in Ag-Co Nanostructures Embedded in TiO2 Thin Films Fabricated by Pulsed Laser Deposition
    Anri Watanabe, Katsura Ikemiya, Akira Chikamatsu, Yasushi Hirose, and Tetsuya Hasegawa
    Chem. Lett., 43, 225 (2014).
    [DOI: 10.1246/cl.130903]
  5. Wet Etching of Amorphous TiO2 Thin Films Using H3PO4-H2O2 Aqueous Solution
    Sohei Okazaki, Takuya Ohhashi, Shoichiro Nakao, Yasushi Hirose, Taro Hitosugi, and Tetsuya Hasegawa
    Jpn. J. Appl. Phys. 52, 098002 (2013).
    [DOI: 10.7567/JJAP.52.098002]
  6. c-axis-oriented growth of anatase TiO2 thin films on glass substrate with SrTiO3/TiN template
    Yang Chang, Yasushi Hirose, Shoichiro Nakao, and Tetsuya Hasegawa
    J. Cryst. Growth 376, 66 (2013).
    [DOI: 10.1016/j.jcrysgro.2013.04.050]
  7. Application of sputter-deposited amorphous and anatase TiO2 as electron- collecting layers in inverted organic photovoltaics
    Kee Sheng Yeo, Shoichiro Nakao, Yasushi Hirose, Tetsuya Hasegawa, Yutaka Matsuo
    Org. Electron. 14, 1715 (2013).
    [DOI: 10.1016/j.orgel.2013.04.007]
  8. DFT-based first-principle calculation of the carrier activation ratio in the F-doped anatase TiO2 and the thermodynamic analysis of the formation of the TiOF2 phase
    Hideyuki Kamisaka, Nanako Mizuguchi, Koichi Yamashita, Tetsuya Hasegawa
    Adv. Chem. Lett. accepted.
  9. Full compensation of oxygen vacancies in EuTiO3 (001) epitaxial thin film stabilized by a SrTiO3 surface protection layer
    Kenta Shimamoto, Kunitada Hatabayashi, Yasushi Hirose, Shoichiro Nakao, Tomoteru Fukumura, and Tetsuya Hasegawa
    Appl. Phys. Lett. 102, 042902 (2013).
    [DOI: 10.1063/1.4789778]
  10. Solid phase epitaxy of EuTiO3 thin films on SrTiO3 (100) substrates with different oxygen contents
    K. Shimamoto, Y. Hirose, S. Nakao, T. Fukumura, and T. Hasegawa
    J. Cryst. Growth 378, 243 (2013).
    [DOI: 10.1016/j.jcrysgro.2012.12.117]
  11. Electronic and transport properties of Eu-substituted infinite-layer strontium ferrite thin films
    Akira Chikamatsu, Toshiya Matsuyama, Tsukasa Katayama, Yasushi Hirose, Hiroshi Kumigashira, Masaharu Oshima, Tomoteru Fukumura, and Tetsuya Hasegawa
    J. Cryst. Growth 378, 165 (2013).
    [DOI: 10.1016/j.jcrysgro.2012.12.067]
  12. X-ray absorption and magnetic circular dichroism characterization of
    Fe-doped TiO2-δ thin films
    Enju Sakai, Kenta Amemiya, Akira Chikamatsu, Yasushi Hirose, Toshihiro Shimada, and Tetsuya Hasegawa
    J. Magn. Magn. Mater., 333, 130 (2013).
    [DOI: 10.1016/j.jmmm.2012.12.046]
  13. Low temperature resistivity, thermoelectricity and power factor of Nb doped anatase TiO2
    J. Jacimovic, R. Gaal, A. Magrez, J. Piatek, L. Forro, S. Nakao, Y. Hirose, and T. Hasegawa Appl. Phys. Lett. 102, 013901 (2013).
    [DOI: 10.1063/1.4773517]

Reviews (in Japanese)

  1. 透明導電性酸化物の新展開 ~脱インジウムと新機能の開拓~
    中尾祥一郎、長谷川哲也
    「CSJカレントレビュー11 未来を拓く元素戦略 持続可能な社会を実現する化学」、
    pp.87-91、化学同人 (2013).

2012

  1. Electron trapping at the lattice Ti atoms adjacent to the Nb dopant in Nb-doped rutile TiO2
    Hideyuki Kamisaka, Nanako Mizuguchi, Koichi Yamashita
    J. Mater. Sci. 47, 7522 - 7529 (2012).
    [DOI:10.1007/s10853-012-6491-2]
  2. Fabrication of ZnO nanorods by atmospheric pressure solid source CVD using ethanol-assisted low temperature vaporization
    Miyamoto Sawako, Hasegawa Tetsuya, Takahashi Hiroyuki, Yonezawa Tetsu, Kiyono Hajime, Yanase Takashi, Nagahama Taro, Shimada Toshihiro
    Bull. Chem. Soc. Jpn. 85, 1287 (2012).
    [DOI:10.1246/bcsj.20120202]
  3. Solvent Effects on the Transient Characteristics of Liquid-Gate Field Effect Transistors with Silicon Substrate
    Takashi Yanase, Tetsuya Hasegawa, Taro Nagahama, and Toshihiro Shimada
    Jpn. J. Appl. Phys. 51, 111803 (2012).
    [DOI:10.1143/JJAP.51.111803]
  4. Fabrication of Nb-Doped TiO2 Transparent Conducting Films by Post- Deposition Annealing under Nitrogen Atmosphere
    Sohei Okazaki, Junpei Ohkubo, Shoichiro Nakao, Yasushi Hirose, Taro Hitosugi, and Tetsuya Hasegawa
    Jpn. J. Appl. Phys. 51, 118003 (2012)
    [DOI:10.1143/JJAP.51.118003]
  5. Metal-induced solid-phase crystallization of amorphous TiO2 thin films
    Chang Yang, Yasushi Hirose, Shoichiro Nakao, Ngoc Lam Huong Hoang, and Tetsuya Hasegawa
    Appl. Phys. Lett. 101, 052101 (2012).
    [DOI:10.1063/1.4739934]
  6. Effect of oxygen deficiency on SrTiO3(001) surface reconstructions
    Ryota Shimizu, Katsuya Iwaya, Takeo Ohsawa, Susumu Shiraki, Tetsuya Hasegawa, Tomihiro Hashizume, and Taro Hitosugi
    Appl. Phys. Lett. 100, 263106 (2012).
    [DOI:10.1063/1.4730409]
  7. Enhanced Carrier Generation in Nb-Doped SnO2 Thin Films Grown on Strain-Inducing Substrates
    Shoichiro Nakao, Naoomi Yamada, Yasushi Hirose, and Tetsuya Hasegawa
    Appl. Phys. Express 5, 061201 (2012).
    [DOI: 10.1143/APEX.5.061201]
  8. Transparent Conductivity of Fluorine-doped Anatase TiO2 Epitaxial Thin Films
    S. Mohri, Y. Hirose, S. Nakao, N. Yamada, T. Shimada, and T. Hasegawa
    J. Appl. Phys. 111, 093528 (2012).
    [DOI: 10.1063/1.4712061]
  9. Fabrication of Piezoelectric Polyurea Films by Alternating Deposition
    Takashi Yanase, Tetsuya Hasegawa, Taro Nagahama, and Toshihiro Shimada
    Jpn. J. Appl. Phys. 51, 041603 (2012)
    [DOI: 10.1143/JJAP.51.041603]
  10. Enhanced coercivity of half-metallic La0.7Sr0.3MnO3 by Ru substitution under in-plane uniaxial strain
    K. Shigematsu, A. Chikamatsu, Y. Hirose, T. Fukumura, and T. Hasegawa
    J. Appl. Phys. 111, 07B102 (2012).
    [DOI: 10.1063/1.3672852]
  11. Magnetic and dielectric properties of layered perovskite Gd2Ti2O7 thin film epitaxially stabilized on a perovskite single crystal
    T. Ukita, Y. Hirose, S. Ohno, K. Hatabayashi, T. Fukumura, and T. Hasegawa
    J. Appl. Phys. 111, 07D909 (2012)
    [DOI: 10.1063/1.3673546]
  12. Investigation of electronic states of infinite-layer SrFeO2 epitaxial thin films by X-ray photoemission and absorption spectroscopies
    Akira Chikamatsu, Toshiya Matsuyama, Yasushi Hirose, Hiroshi Kumigashira, Masaharu Oshima, and Tetsuya Hasegawa
    J. Electron Spectrosc. Relat. Phenom. 184, 547 (2012).
    [DOI: 10.1016/j.elspec.2011.09.002]

Reviews (in Japanese)

  1. 透明導電材料の新展開
    長谷川哲也、廣瀬靖、中尾祥一郎
    工業材料 60 (6), 70-73 (2012).
  2. 透明導電膜の実用化と新機能開拓‐赤外まで透明なSnO2透明導電膜の開発
    中尾祥一郎、長谷川哲也
    未来材料 12 (12), 33-35 (2012).

2011

  1. Theoretical Study of the Interstitial Oxygen Atom in Anatase and Rutile TiO2: Electron Trapping and Elongation of the r(O-O) Bond
    Hideyuki Kamisaka, Koichi Yamashita
    J. Phys. Chem. C 115, 8265-8273 (2011).
    [DOI:10.1021/jp110648q]
  2. Crystallization Kinetics of Amorphous Sputtered Nb-Doped TiO2 Thin Films
    Ngoc Lam Huong Hoang, Yasushi Hirose, Shoichiro Nakao, and Tetsuya Hasegawa
    Appl. Phys. Express 4, 105601 (2011).
    [DOI:10.1143/APEX.4.105601]
  3. Carrier Compensation Mechanism in Heavily Nb-doped Anatase Ti1-xNbxO2+δ Epitaxial Thin Films
    H. Nogawa, A. Chikamatsu, Y. Hirose, S. Nakao, H. Kumigashira, M. Oshima, and T. Hasegawa
    J. Phys. D: Appl. Phys. 44, 365404 (2011).
    [DOI: 10.1088/0022-3727/44/36/365404]
  4. Modified Surface Electronic and Magnetic Properties of La0.6Sr0.4MnO3 Thin Films for Spintronics Applications
    Fenghong Li, Yiqiang Zhan, Tsung-Hsun Lee, Xianjie Liu, Akira Chikamatsu, Tzung-Fang Guo, Hong-Ji Lin, J. C. A. Huang, and Mats Fahlman
    J. Phys. Chem. C. 115, 16947 (2011).
    [DOI: 10.1021/jp112064y]
  5. Electrically Induced Ferromagnetism at Room Temperature in Cobalt-Doped Titanium Dioxide
    Y. Yamada, K. Ueno, T. Fukumura, H. T. Yuan, H. Shimotani, Y. Iwasa, L. Gu, S. Tsukimoto, Y. Ikuhara, and M. Kawasaki
    Science 332, 1065 (2011).
    Link to: Abstract/Reprint/Fulltext Open Access !!
    [DOI: 10.1126/science.1202152]
  6. Computational Analysis of Thermal Energetic Disorder in a Pentacene Crystal: Temperature Dependence of Trap Levels and Possible Novel Thermoelectric Contribution
    Toshihiro Shimada, Yu Ikuta, Yuya Tsuchida, Manabu Ohtomo, Tetsuya Hasegawa
    Appl. Phys. Express 4, 061601 (2011)
    [DOI: 10.1143/APEX.4.061601]

  7. Enhanced Carrier Transport in Uniaxially (001)-Oriented Anatase Ti0.94Nb0.06O2 Films Grown on Nanosheet Seed Layers
    Naoomi Yamada, Tatsuo Shibata, Kenji Taira, Yasushi Hirose, Shoichiro Nakao, Ngoc Lam Huong Hoang, Taro Hitosugi, Toshihiro Shimada, Takayoshi Sasaki, and Tetsuya Hasegawa
    Appl. Phys. Express 4, 045801 (2011).
    [DOI: 10.1143/APEX.4.045801]
  8. Wet Etching of TiO2-Based Precursor Amorphous Films for Transparent Electrodes
    Junpei Ohkubo, Yasushi Hirose, Enju Sakai, Shoichiro Nakao, Taro Hitosugi, Tetsuya Hasegawa
    Jpn. J. Appl. Phys. 50, 018002 (2011).
    [DOI: 10.1143/JJAP.50.018002]
  9. Strong Pressure Effect in the Sublimation from Tetracene Single Crystals and Development of Surface Cleaning Technique for Organic Semiconductors
    Manabu Ohtomo, Kenji Itaka, Tetsuya Hasegawa, and Toshihiro Shimada
    Appl. Phys. Express 4, 021601 (2011).
    [DOI: 10.1143/APEX.4.021601]
  10. Fabrication and Magnetic Properties of fcc-Co Nanorods Embedded in Epitaxial Thin Films of Anatase TiO2 As a Transparent Matrix
    Katsura Ikemiya, Yasushi Hirose, and Tetsuya Hasegawa
    J. Phys. Chem. C 115, 1776 (2011).
    [DOI: 10.1021/jp110294d]
  11. Carrier Doping into SrFeO2 Epitaxial Thin Films by Eu-Substitution
    Toshiya Matsuyama, Akira Chikamatsu, Yasushi Hirose, Tomoteru Fukumura, Tetsuya Hasegawa
    Appl. Phys. Express 4, 013001 (2011).
    [DOI: 10.1143/APEX.4.013001]
  12. Fabrication of transparent conductive W-doped SnO2 thin films on glass substrates using anatase TiO2 seed layers
    Shoichiro Nakao, Naoomi Yamada, Taro Hitosugi, Yasushi Hirose, Toshihiro Shimada, Tetsuya Hasegawa
    phys. stat. sol. (c) 8, 543 (2011).
    [DOI: 10.1002/pssc.201000505]

2010

  1. DFT-based Theoretical Calculations of Nb- and W- doped Anatase TiO2 : Complex Formation between W dopants and Oxygen Vacancies
    Hideyuki Kamisaka, Takahiro Suenaga, Hisao Nakamura, Koichi Yamashita
    J. Phys. Chem. C 114, 12777-12783 (2010).
    [DOI:10.1021/jp104355q]
  2. Sputter Deposition of High-Mobility Sn1-xTaxO2 Films on Anatase-TiO2-Coated Glass
    Naoomi Yamada, Shoichiro Nakao, Taro Hitosugi, Tetsuya Hasegawa
    Jpn. J. Appl. Phys. 49, 108002 (2010).
    [DOI: 10.1143/JJAP.49.108002]
  3. High-Throughput Screening of Ultraviolet–Visible Magnetooptical Properties of Spinel Ferrite (Zn,Co)Fe2O4 Solid Solution Epitaxial Film by a Composition-Spread Approach
    Yosuke Iwasaki, Tomoteru Fukumura, Hisamichi Kimura, Akira Ohkubo, Tetsuya Hasegawa, Yasushi Hirose, Takayuki Makino, Kazunori Ueno, and Masashi Kawasaki
    Appl. Phys. Express 3, 103001 (2010).
    [DOI: 10.1143/APEX.3.103001]
  4. Properties of TiO2-based transparent conducting oxides
    Taro Hitosugi, Naoomi Yamada, Shoichiro Nakao, Yasushi Hirose, Tetsuya Hasegawa
    phys. stat. sol. (a) 207, 1529 (2010).
    [DOI: 10.1002/pssa.200983774]
  5. High magnetic field effect in organic light emitting diodes
    Yuichiro Goto, Takuya Noguchi, Utahito Takeuchi, Kunitada Hatabayashi, Yasushi Hirose, Takayuki Uchida, Takehiko Sasaki, Tetsuya Hasegawa, Toshihiro Shimada
    Org. Electron. 11, 1212 (2010).
    [DOI: 10.1016/j.orgel.2010.04.020]
  6. Carrier Compensation by Excess Oxygen Atoms in Anatase Ti0.94Nb0.06O2+δ Epitaxial Thin Films
    Hiroyuki Nogawa, Taro Hitosugi, Akira Chikamatsu, Shoichiro Nakao, Yasushi Hirose, Toshihiro Shimada, Hiroshi Kumigashira, Masaharu Oshima, and Tetsuya Hasegawa
    Jpn. J. Appl. Phys. 49, 041102 (2010).
    [DOI: 10.1143/JJAP.49.041102]
  7. Electric Double Layer Gate Field-Effect Transistors Based on Si
    Takashi Yanase, Toshihiro Shimada, and Tetsuya Hasegawa
    Jpn. J. Appl. Phys. 49, 04DK06 (2010).
    [DOI: 10.1143/JJAP.49.04DK06]
  8. Magnetic and Transport Properties of Anatase TiO2 Codoped with Fe and Nb
    Enju Sakai, Akira Chikamatsu, Yasushi Hirose, Toshihiro Shimada, and Tetsuya Hasegawa
    Appl. Phys. Express 3, 043001 (2010).
    [DOI: 10.1143/APEX.3.043001]
  9. Transparent conducting Nb-doped anatase TiO2 (TNO) thin films sputtered from various oxide targets
    Naoomi Yamada, Taro Hitosugi, Junpei Kasai, Ngoc Lam Huong Hoang, Shoichiro Nakao, Yasushi Hirose, Toshihiro Shimada and Tetsuya Hasegawa
    Thin Solid Films 518, 3101 (2010).
    [DOI: 10.1016/j.tsf.2009.07.205]
  10. Fabrication of highly conductive Ta-doped SnO2 polycrystalline films on glass using seed-layer technique by pulse laser deposition
    Shoichiro Nakao, Naoomi Yamada, Taro Hitosugi, Yasushi Hirose, Toshihiro Shimada and Tetsuya Hasegawa
    Thin Solid Films 518, 3093 (2010).
    [DOI: 10.1016/j.tsf.2009.09.187]
  11. Properties of TiO2-based transparent conducting oxide thin films on GaN(0001) surfaces
    J. Kasai, T. Hitosugi, M. Moriyama, K. Goshonoo, N. L. H. Hoang, S. Nakao, N. Yamada, and T. Hasegawa
    J. Appl. Phys. 107, 053110 (2010).
    [DOI: 10.1063/1.3326943]
  12. High Mobility Exceeding 80 cm2 V-1 s-1 in Polycrystalline Ta-Doped SnO2 Thin Films on Glass Using Anatase TiO2 Seed Layers
    Shoichiro Nakao, Naoomi Yamada, Taro Hitosugi, Yasushi Hirose, Toshihiro Shimada, and Tetsuya Hasegawa
    Appl. Phys. Express 3, 031102 (2010).
    [DOI: 10.1143/APEX.3.031102]
  13. Preparation of Superconducting Niobium Tips for Atomic-Resolution Scanning Tunneling Microscopy/Spectroscopy
    Ryota Shimizu, Taro Hitosugi, Tomihiro Hashizume, Noritaka Fukuo and Tetsuya Hasegawa
    Jpn. J. Appl. Phys. 49, 028004 (2010).
    [DOI: 10.1143/JJAP.49.028004]
  14. Very high temperature annealing effect on amorphous carbon films grown on refractory oxide substrates by pulsed laser deposition
    Takuya Noguchi, Toshihiro Shimada, Takashi Chiba, Masao Terada, and Tetsuya Hasegawa
    Diamond Relat. Mater. 19, 107 (2010).
    [DOI: 10.1016/j.diamond.2009.10.021]
  15. Transport properties and electronic states of anatase Ti1-xWxO2 epitaxial thin films
    Utahito Takeuchi, Akira Chikamatsu, Taro Hitosugi, Hiroshi Kumigashira, Masaharu Oshima, Yasushi Hirose, Toshihiro Shimada, and Tetsuya Hasegawa
    J. Appl. Phys. 107, 023705 (2010).
    [DOI: 10.1063/1.3277057]
  16. Highly sensitive and rapid measurement of gas barrier properties of flexible films and sealing resins based on a low temperature trap and mass spectroscopy
    Toshihiro Shimada, Yoshikazu Takahashi and Toshiyuki Kanno
    Appl. Phys. Express 3, 021701 (2010). (press release)
    [DOI: 10.1143/APEX.3.021701]
  17. Scanning Tunneling Spectroscopy on Overdoped Bi2Sr2−xLaxCuO6+δ
    T. Kato, H. Funahashi, H. Nakamura, M. Fujimoto, T. Machida, H. Sakata, S. Nakao and T. Hasegawa
    J. Supercond. Nov. Magn. 23, 771 (2010).
    [DOI: 10.1007/s10948-010-0716-x]
  18. Quasiparticle density of states in cuprate superconductor Bi2Sr2−xLaxCuO6+δ in a magnetic field studied by scanning tunneling spectroscopy
    T. Kato, H. Nakamura, M. Fujimoto, H. Funahashi, T. Machida, H. Sakata, S. Nakao and T. Hasegawa
    Physica C 470, S207 (2010).
    [DOI: 10.1016/j.physc.2009.12.039]
  19. Investigation of magnetic Co antidot array structure on anodic porous alumina
    Taejoon Kouh, Youngok Park, Chul Sung Kim, Satoru Mohri, Sawako Ohno, Kenji Taira, Yasushi Hirose and Tetsuya Hasegawa
    J. Korean Phys. Soc. 56, 602 (2010).
    [DOI: 10.3938/jkps.56.602]

Reviews (in Japanese)

  1. TiO2 系透明導電体に含まれるドーパント-酸素欠陥複合構造の第一原理計算
    神坂 英幸、一杉 太郎、山下 晃一
    表面科学 31, 343-351 (2010).

2009

  1. Preparation of Atomically Flat TiO2(110) Substrate
    Ryota Shimizu, Taro Hitosugi, Koji S. Nakayama, Toshio Sakurai, Manabu Shiraiwa, Tetsuya Hasegawa, and Tomihiro Hashizume
    Jpn. J. Appl. Phys. 48, 125506 (2009).
    [DOI: 10.1143/JJAP.48.125506]
  2. Fabrication of EuTiO3 Epitaxial Thin Films by Pulsed Laser Deposition
    Kunitada Hatabayashi, Taro Hitosugi, Yasushi Hirose, Xianqiang Cheng, Toshihiro Shimada, and Tetsuya Hasegawa
    Jpn. J. Appl. Phys. 48, 100208 (2009).
    [DOI: 10.1143/JJAP.48.100208]
  3. Superconductor-insulator phase transition in single-crystal La2-xSrxCuO4 films grown by the liquid-phase epitaxy method
    A. T. M. Nazmul Islam, T. Hitosugi, E. Dudzik, T. Hasegawa, S. Ueda, Y. Takano, F. N. Islam, M. K. R. Khan, M. N. Islam, A. K. M. A. Islam, S. Watauchi, and I. Tanaka
    Phys. Rev. B 80 (2), 024505 (2009).
    [DOI:10.1103/PhysRevB.80.024505]
  4. Band dispersion of quasi-single crystal thin film phase pentacene monolayer studied by angle-resolved photoelectron spectroscopy
    Manabu Ohtomo, Tadamasa Suzuki, Toshihiro Shimada and Tetsuya Hasegawa
    Appl. Phys. Lett. 95, 123308 (2009).
    [DOI:10.1063/1.3232205]
  5. Direct observation of gas phase nucleation during physical vapor transport growth of organic single crystals using a transparent furnace
    Sawako Miyamoto, Toshihiro Shimada, Manabu Ohtomo, Akira Chikamatsu, Tetsuya Hasegawa
    Jpn. J. Appl. Phys. 48, 118003 (2009).
    [DOI: 10.1143/JJAP.48.118003]
  6. Preparation of Layered-Rhombohedral LiCoO2 Epitaxial Thin Films Using Pulsed Laser Deposition
    Tetsukazu Tsuruhama, Taro Hitosugi, Hideki Oki, Yasushi Hirose, and Tetsuya Hasegawa
    Appl. Phys. Express 2, 085502 (2009).
    [DOI:10.1143/APEX.2.085502]
  7. Density functional theory based first-principle calculation of Nb-doped anatase TiO2 and its interactions with oxygen vacancies and interstitial oxygen
    Hideyuki Kamisaka, Taro Hitosugi, Takahiro Suenaga, Tetsuya Hasegawa, and Koichi Yamashita
    J. Chem. Phys. 131, 034702 (2009).
    [DOI:10.1063/1.3157283]
  8. Direct growth of transparent conducting Nb-doped anatase TiO2 polycrystalline films on glass
    Naoomi Yamada, Taro Hitosugi, Junpei Kasai, Ngoc Lam Huong Hoang, Shoichiro Nakao, Yasushi Hirose, Toshihiro Shimada, and Tetsuya Hasegawa
    J. Appl. Phys. 105, 123702 (2009).
    [DOI:10.1063/1.3148267]
  9. Very high temperature chemical vapor deposition of new carbon thin films using organic semiconductor molecular beam sources
    Takuya Noguchi, Toshihiro Shimada, Akinori Hanzawa, and Tetsuya Hasegawa
    Thin Solid Films 518, 778 (2009).
    [DOI:10.1016/j.tsf.2009.07.097]
  10. Magnetic Domain Structures Governed by Granular Morphology in La0.6Sr0.4MnO3 Thin Films as Probed by Low-Temperature Magnetic Force Microscopy.
    Shinji Muranaka, Hidetaka Sugaya, Takashi Yamasaki, Tomoteru Fukumura, Masashi Kawasaki, and Tetsuya Hasegawa
    Appl. Phys. Express 2, 063002 (2009).
    [DOI: 10.1143/APEX.2.063002]
  11. Large electron mass anisotropy in a d-electron-based transparent conducting oxide: Nb-doped anatase TiO2.
    Yasushi Hirose, Naoomi Yamada, Shoichiro Nakao, Taro Hitosugi, Toshihiro Shimada and Tetsuya Hasegawa.
    Phys. Rev. B 79, 165108 (2009).
    [DOI: 10.1103/PhysRevB.79.165108]
  12. Fabrication of TiO2-based transparent conducting oxide on glass and polyimide substrates.
    T. Hitosugi, N. Yamada, N.L.H. Hoang, J. Kasai, S. Nakao, T. Shimada, and T. Hasegawa.
    Thin Solid Films 517, Issue 10, 3106-3109 (2009).
    [DOI:10.1016/j.tsf.2008.11.090]
  13. In-Situ Observations of the Crystallization Process of Solution-Prepared MoS2 Amorphous Particles
    Akinori Hanzawa, Toshihiro Shimada, Tetsuya Hasegawa, Takahiro Sato, Takeo Kamino, and Tetsu Yonezawa.
    J. Nanosci. Nanotechnol. 9, 6736-6740 (2009).
    [DOI:10.1166/jnn.2009.1370]
  14. Random Telegraphic Conductance Fluctuation at Au−Pentacene−Au Nanojunctions
    Yuki Kihira, Toshihiro Shimada, Yutaka Matsuo, Eiichi Nakamura and Tetsuya Hasegawa.
    Nano Lett. 9 (4), 1442–1446 (2009).
    [DOI: 10.1021/nl803284t]
  15. Exchange Bias Effect in Anatase Co:TiO2/LaTiO3 Bilayers
    Takumi Ohtsuki and Tetsuya Hasegawa.
    Appl. Phys. Express 2, 033003 (2009).
    [DOI: 10.1143/APEX.2.033003]
  16. Detailed Investigation on the Possibility of Nanoparticles of Various Metal Elements for Surface-Assisted Laser Desorption/Ionization Mass Spectrometry
    Tetsu YONEZAWA, Hideya KAWASAKI, Akira TARUI, Takehiro WATANABE, Ryuichi ARAKAWA, Toshihiro SHIMADA, and Fumitaka MAFUNE
    Anal. Sci. 25(3), 339 (2009).
    [DOI: 10.2116/analsci.25.339]
  17. X-ray absorption spectroscopy and magnetic circular dichroism in codeposited C60–Co films with giant tunnel magnetoresistance
    Yoshihiro Matsumoto , Seiji Sakai, Yasumasa Takagi, Takeshi Nakagawa, Toshihiko Yokoyama, Toshihiro Shimada, Seiji Mitani, Hiroshi Naramoto and Yoshihito Maeda
    Chemical Physics Letters 470, Issues 4-6, 244 (2009).
    [DOI: 10.1016/j.cplett.2009.01.032], プレスリリース
  18. Multiple-scattering approach to Ti L2,3-edge XMCD analyses for Co doped TiO2
    Takashi Maruyama, Takumi Ohtsuki, Enju Sakai, Hitoshi Abe, Toshihiro Shimada, Tetsuya Hasegawa, Shin-ichi Nagamatsu, and Takashi Fujikawa
    J. Phys.: Conf. Ser. 190 012018 (2009).
    [DOI: 10.1088/1742-6596/190/1/012018]

Reviews (in Japanese)

  1. 超高温基板を用いた新規カーボン薄膜蒸着成長とラマン分光による評価
    島田敏宏,野口卓也,半澤明範,長谷川哲也 (斉木幸一朗,徳本洋志 監修)
    グラフェンの機能と応用展望第17章 (2009).
    (ISBN: 978-4-7813-0146-4)
  2. 二酸化チタン系透明電極材料の開発
    山田直臣、一杉太郎、長谷川哲也
    セラミックス 44, 360 (2009).
  3. TiO2系透明導電材料の特徴
    一杉 太郎,山田 直臣,長谷川 哲也
    月刊ディスプレイ 2009年5月号 p.20
  4. 有機半導体のグラフォエピタキシー
    池田 進, 和田 恭雄, 稲葉 克彦, 寺嶋 和夫, 島田 敏宏, 斉木 幸一朗
    日本結晶成長学会誌 35, 243-248 (2009).
    [CiNii]
  5. ペンタセン超薄膜のエピタキシャル成長と光電子分光
    島田 敏宏, 鈴木 維允, 大伴 真名歩, 長谷川 哲也
    表面科学 30, 7-10 (2009).
    [DOI: 10.1380/jsssj.30.7]
top

2008

  1. Nucleation on the substrate surfaces during liquid flux-mediated vacuum deposition of rubrene
    T. Shimada, Y. Ishii, K. Ueno, T. Hasegawa.
    Journal of Crystal Growth, Volume 311, Issue 1, 163-166
    [DOI:10.1016/j.jcrysgro.2008.10.096]
  2. Low-temperature Fabrication of Transparent Conducting Anatase Nb-doped TiO2 Films by Sputtering
    N. L. H. Hoang, N. Yamada, T. Hitosugi, J. Kasai, S. Nakao, T. Shimada, and T. Hasegawa
    Appl. Phys. Express, Vol.1, pp.115001/1-115001/3 (2008).
    [DOI:10.1143/APEX.1.115001]
  3. Step-bunched Bi-terminated Si(111) surfaces as a nanoscale orienation template for quasi single crystalline epitaxial growth of thin film phase pentacene
    T. Shimada, M. Ohtomo, T. Suzuki, T. Hasegawa, K. Ueno, S. Ikeda, K. Saiki, M. Sasaki, K. Inaba
    Appl. Phys. Lett. 93, 223303 (2008).
    [DOI:10.1063/1.3040309]
  4. Femtosecond Depolarization Dynamics of tris(8-hydroxyquinoline) Aluminum Films
    N. Ogawa, A. Miyata, H. Tamaru, T. Suzuki, T. Shimada, T. Hasegawa, K. Saiki, and K. Miyano
    Chem. Phys. Lett., Vol.450, pp.335-339 (2008).
    [DOI: 10.1016/j.cplett.2007.11.013]
  5. Heteroepitaxial Growth of Ferromagnetic Rutile CoxTi1-xO2-d on GaN (0001)
    Y. Hirose, T. Hitosugi, J. Kasai, Y. Furubayashi, K. Nakajima, T. Chikyow, S. Konuma, T. Shimada and T. Hasegawa
    Appl. Phys. Lett., 92, 042503/1-042503/3 (2008).
    [DOI:10.1063/1.2838297]
  6. One Unit-Cell Seed Layer Induced Epitaxial Growth of Heavily Nitrogen Doped Anatase TiO2 Films
    T. L. Chen, Y. Hirose, T. Hitosugi and T. Hasegawa
    J. Phys. D: Appl. Phys., 41, 062005/1-062005/4 (2008).
    [DOI:10.1088/0022-3727/41/6/062005]
  7. Structural, electrical and optical properties of sputter-deposited Nb-doped TiO2 (TNO) polycrystalline films
    N. Yamada, T. Hitosugi, N. L. H. Hoang, Y. Furubayashi, Y. Hirose, S. Konuma, T. Shimada, and T. Hasegawa
    Thin Solid Films, 516, 5754-5757 (2008).
    [DOI:10.1016/j.tsf.2007.10.036]
  8. Transparent conducting properties of anatase Ti0.94Nb0.06O2 polycrystalline films on glass substrate
    T. Hitosugi, A. Ueda, S. Nakao, N. Yamada, Y. Furubayashi, Y. Hirose, S. Konuma, T. Shimada and T. Hasegawa
    Thin Solid Films, 516, 5750-5753 (2008).
    [DOI:10.1016/j.tsf.2007.10.028]
  9. Quantitative Conductivity Mapping of SrTiO3-LaAlO3-LaTiO3 Ternary Composition-Spread Thin Film by Scanning Microwave Microscope
    S. Okazaki, N. Okazaki, Y. Hirose, J. Nishimura, K. Ueno, A. Ohtomo, M. Kawasaki, H. Koinuma and T. Hasegawa
    Appl. Phys. Express, Vol.1, pp.055003/1-055003/3 (2008).
    [DOI:10.1143/APEX.1.055003]
  10. Ferromagnetic Rutile CoxTi1-xO2-δ Heteroepitaxy on Wurtzite GaN and ZnO
    Y. Hirose, T. Hitosugi, J. Kasai, Y. Furubayashi, K. Nakajima, T. Chikyow, S. Konuma, T. Shimada and T. Hasegawa
    Phys. Stat. Sol. (c), Vol.5, No.9, pp.3104-3106 (2008).
    [DOI:10.1002/pssc.200779251]
  11. Magnetotransport Properties of Fe/Pentacene/Co:TiO2 Junctions with Fe Top Contact Electrodes Prepared by Thermal Evaporation and Pulsed Laser Deposition
    T. Shimada, H. Nogawa, T. Noguchi, Y. Furubayashi, Y. Yamamoto, Y. Hirose, T. Hitosugi and T. Hasegawa
    Jpn. J. Appl. Phys., Vol.47, No.2, pp.1184-1187 (2008).
    [DOI: 10.1143/JJAP.47.1184]
  12. Structural Study of TiO2-based Transparent Conducting Films
    T. Hitosugi, N. Yamada, S. Nakao, K. Hatabayashi, T. Shimada and T. Hasegawa
    J. Vac. Sci. Technolo. A, Vol.26 (4), pp.1027-1029 (2008).
    [DOI: 10.1116/1.2944260]
  13. Electronic Band Structure of Transparent Conductor: Nb-Doped Anatase TiO2
    T. Hitosugi, H. Kamisaka, K. Yamashita, H. Nogawa, Y. Furubayashi, S. Nakao, N. Yamada, A. Chikamatsu, H. Kumigashira, M. Oshima, Y. Hirose, T. Shimada and T. Hasegawa
    Appl. Phys. Express, Vol.1, pp.111203/1-111203/3 (2008).
    [DOI:10.1143/APEX.1.111203]
  14. Graphoepitaxy of sexithiophene and orientation control by surface treatment.
    Ikeda, Susumu; Saiki, Koichiro; Wada, Yasuo; Inaba, Katsuhiko; Ito, Yoshiyasu; Kikuchi, Hirokazu; Terashima, Kazuo; Shimada, Toshihiro.
    Journal of Applied Physics (2008), 103(8), 084313/1-084313/9.
    [DOI: 10.1063/1.2913180]
  15. Epitaxial strain effects in ultrathin films of squaric acid studied by temperature-dependent electron reflectivity.
    T. Shimada, I, Sugiura, K. Saiki.
    Japanese Journal of Applied Physics 47, 1422-1425 (2008).
    [DOI: 10.1143/JJAP.47.1422]

Reviews (in Japanese)

  1. スパッタ法による二酸化チタン系透明導電膜の成膜技術と特性
    山田直臣、一杉太郎、長谷川哲也
    J. Vac. Soc. Jpn., Vol.51, No.9, pp.602-607 (2008).
    [DOI: 10.3131/jvsj2.51.602]
  2. アナターゼ型TiO2系透明導電体の新展開
    山田直臣,一杉太郎,長谷川哲也
    表面科学 (2008), 29(1), 25-30.
    [DOI: 10.1380/jsssj.29.25]
  3. NbドープTiO2(TNO)多結晶薄膜―ITO透明導電体の代替技術
    山田直臣,一杉太郎,ホァン ゴク ラン フン,長谷川哲也
    金属 (2008), 78(1), 26-32. (目次)
  4. 有機半導体分子の配向薄膜作製と応用
    島田敏宏
    応用物理77, 1332-1336 (2008).
    [full text PDF]
  5. 二酸化チタン透明導電材料のフロンティア
    一杉太郎
    応用物理77, 1319-1323 (2008).
    [full text PDF]
  6. ナノ粒子の創製と応用展開
    島田 敏宏
    カルコゲナイド・ナノマテリアルの構造と物性』(米澤 徹 編) (フロンティアテクノシリーズ No.10) 2.6節 (2008).
    (ISBN: 978-4-902410-13-6)

2007

  1. Fabrication of TiO2-Based Transparent Conducting Oxide Films on Glass by Pulsed Laser Deposition
    T. Hitosugi, A. Ueda, Y. Furubayashi, Y. Hirose, S. Konuma, T. Shimada and T. Hasegawa
    Jpn. J. Appl. Phys., Vol.46, pp.L86-L88 (2007).
    [DOI: 10.1143/JJAP.46.L86 ]
  2. Transport Properties of d-Electron-Based Transparent Conducting Oxide: Anatase Ti1-xNbxO2
    Y. Furubayashi, N. Yamada, Y. Hirose, Y. Yamamoto, M. Otani, T. Hitosugi, T. Shimada and T. Hasegawa
    J. Appl. Phys., Vol.101, pp.093705/1-093705/5 (2007).
    [DOI: 10.1063/1.2721748]
  3. Fabrication of highly conductive Ti1-xNbxO2 polycrystalline films on glass substrates via crystallization of amorphous phase grown by pulsed laser deposition
    T. Hitosugi, A. Ueda, S. Nakao, N. Yamada, Y. Furubayashi, Y. Hirose,T. Shimada and T. Hasegawa
    Appl. Phys. Lett., Vol.90, pp.212106/1-212106/3 (2007).
    [DOI: 10.1063/1.2742310]
  4. Fabrication of Low Resistivity Nb-doped TiO2 Transparent Conductive Polycrystalline Films on Glass by Reactive Sputtering
    N. Yamada, T. Hitotsugi, N. L. H. Hoang, Y. Furubayashi, Y. Hirose, T. Shimada and T. Hasegawa
    Jpn. J. Appl. Phys., Vol.46, pp.5275-5277 (2007).
    [DOI: 10.1143/JJAP.46.5275]
  5. Wetting-Dewetting Oscillations of Liquid Films during Solution-Mediated Vacuum Deposition of Rubrene
    Y. Ishii, T. Shimada, N. Okazaki and T. Hasegawa
    Langmuir, Vol.23, pp.6864-6868 (2007).
    [DOI: 10.1021/la700242w]
  6. Anatase Phase Stability and Doping Concentration Dependent Refractivity in Codoped Transparent Conducting TiO2 Films
    T. L. Chen, Y. Furubayashi, Y. Hirose, T. Hitosugi, T. Shimada and T. Hasegawa
    J. Phys. D: Appl. Phys., Vol.40, pp.5961-5964 (2007).
    [DOI: 10.1088/0022-3727/40/19/026]
  7. Metal-induced Urbach Tail at the Gold/Pentacene Interface of Top-contact Organic Field Effect Transistors
    M. Ohtomo, T. Shimada, K. Saiki and T. Hasegawa
    J. Appl. Phys., Vol.102, pp.064510 (2007).
    [DOI: 10.1063/1.2770825]
  8. Correlation between Gap States and Off-current in Pentacene Field-effect Transistors Observed by Sub-band-gap Photocurrent-Voltage Measurement
    M. Ohtomo, T. Shimada and T. Hasegawa
    Jpn. J. Appl. Phys., Vol.46, No.34, pp.L817-L819 (2007).
    [DOI: 10.1143/JJAP.46.L817]
  9. Direct observation of vortex lattice in Bi2Sr2CaCu2O8+δ by low temperature STM/STS
    N. Fukuo, H. Mashima, T. Hitosugi, S. Uchida, J. Shimoyama, K. Kishio, Y. Matsumoto and T. Hasegawa
    Physica C, Vol.460-462, pp.734-735 (2007).
    [DOI: 10.1016/j.physc.2007.03.157]
  10. Quantitative analysis of thin-film conductivity by scanning microwave microscope
    S. Okazaki, N. Okazaki, Y. Hirose, Y. Furubayashi, T. Hitosugi, T. Shimada and T. Hasegawa
    Appl. Surf. Sci., Vol.254, pp.757-759 (2007).
    [DOI: 10.1016/j.apsusc.2007.06.076]
  11. XAFS and CEMS study of dilute magneto-optical semiconductor, Fe doped TiO2 films.
    Nomura, Kiyoshi; Eba, Hiromi; Sakurai, Kenji; Rykov, Alexandre; Hasegawa, Tetsuya. 
    Thin Solid Films (2007), 515(24), 8649-8652.
    [DOI: 10.1016/j.tsf.2007.03.177]
  12. Analysis of charge transport in a polycrystalline pentacene thin film transistor by temperature and gate bias dependent mobility and conductance.
    Guo, Dong; Miyadera, Tetsuhiko; Ikeda, Susumu; Shimada, Toshihiro; Saiki, Koichiro.
    Journal of Applied Physics (2007), 102(2), 023706/1-023706/8.
    [DOI: 10.1063/1.2753671]
  13. Visualization of induced charge in an organic thin-film transistor by cross-sectional potential mapping.
    Ikeda, Susumu; Shimada, Toshihiro; Kiguchi, Manabu; Saiki, Koichiro.
    Journal of Applied Physics (2007), 101(9), 094509/1-094509/8.
    [DOI: 10.1063/1.2734077]
  14. Electron energy loss spectroscopy of ultrathin pentacene field effect transistors.
    Shimada, Toshihiro; Saiki, Koichiro.
    Journal of Electron Spectroscopy and Related Phenomena (2007), 154(3), 119-122.
    [DOI: 10.1016/j.elspec.2006.12.046]

Reviews (in Japanese)

  1. 二酸化チタンをベースとした透明導電体
    一杉 太郎, 古林 寛, 長谷川 哲也
    真空, Vol.50, No.2, pp.111-113 (2007).
    [DOI: 10.3131/jvsj.50.111]
  2. TiO2でつくる新しい透明導電体
    一杉太郎、長谷川哲也
    化学, Vol.62, No.12, pp.38-41 (2007). (CiNii)
  3. TiO2系透明導電体のスパッタ成膜技術
    一杉太郎、山田直臣、長谷川哲也
    表面技術, Vol.58, No.12, pp.798-803 (2007).
    [DOI: 10.4139/sfj.58.798]
  4. ガラス上におけるNbドープ二酸化チタン薄膜の透明導電性
    一杉 太郎,植田 敦希,長谷川哲也
    セラミックス (2007), 42(1), 32-36. (full text only for members)
  5. 有機FET中の電化の正体:分子積層・配向制御による伝導機構の研究
    島田敏宏 (内藤 裕義, 久保野 敦史, 舟橋 正浩, 吉本 尚起 監修)
    有機エレクトロニクスにおける分子配向技術』 (エレクトロニクスシリーズ) 5.2節 (2007).
    (ISBN: 978-4-88231-675-6)

2006

  1. Novel Transparent Conducting Oxide: Anatase Ti1-xNbxO2
    Y. Furubayashi, T. Hitosugi, Y. Yamamoto, Y. Hirose, G. Kinoda, K. Inaba, T. Shimada and T. Hasegawa
    Thin Solid Films, Vol.496, pp.157-159 (2006).
  2. Magnetic Properties of Rutile Ti1-xFexO2 Epitaxial Thin Films
    K. Inaba, T. Hitosugi, Y. Hirose, Y. Furubayashi, G. Kinoda, Y. Yamamoto, T. W. Kim, H. Fujioka, T. Shimada and T. Hasegawa
    Jpn. J. Appl. Phys., Vol.45, pp.L114-L116 (2006).
  3. Development of High-throughput Combinatorial Terahertz Time-domain Spectrometer and its Application to Ternary Composition-spread Film
    M. Ohtani, T. Hitosugi, Y. Hirose, J. Nishimura, A. Ohtomo, M. Kawasaki, R. Inoue, M. Tonouchi, T. Shimada and T. Hasegawa
    Appl. Surf. Sci., Vol.252, pp.2622-2627 (2006).
  4. High-throughput Characterization of Local Conductivity of Nd0.9Ca0.1Ba2Cu3O7-d Thin Film by the Low-temperature Scanning Microwave Microscope
    S. Okazaki, N. Okazaki, X. Zhao, H. Sugaya, S. Yaginuma, R. Takahashi, M. Murakami, Y. Matsumoto, T. Chikyow, H. Koinuma and T. Hasegawa
    Appl.. Surf. Sci., Vol.252, pp.2615-2621 (2006).
  5. High-throughput Characterization of BixY3-xFe5O12 Combinatorial Thin Films by Magneto-optical Imaging Technique
    X. Zhao, W. Lu, S. Okazaki, Y. Konishi, K. Akahane, T. Ishibashi, K. Sato, Y. Matsumoto, H. Koinuma and T. Hasegawa
    Appl. Surf. Sci., Vol.252, pp.2628-2633 (2006).
  6. Enhancement of Magneto-Optical Properties of Anatase Co:TiO2Co-Doped with Nb
    G. Kinoda, T. Hitosugi, Y. Yamamoto, Y. Furubayashi, K. Inaba, Y. Hirose, T. Shimada and T. Hasegawa
    Jpn. J. Appl. Phys., Vol.45, pp.L387-L389 (2006).
  7. Electronic Inhomogeneity of Heavily Overdoped Bi2-xPbxSr2CuOy Studied by Low-temperature Scanning Tunneling Microscopy/Spectroscopy
    H. Mashima, N. Fukuo, Y. Matsumoto, G. Kinoda, T. Kondo, H. Ikuta, T. Hitosugi and T. Hasegawa
    Phys. Rev. B, Vol.73, pp.060502/1-060502/4 (2006).
  8. Carrier Induced Ferromagnetism in Nb Doped Co:TiO2 and Fe:TiO2 Epitaxial Thin Film
    T. Hitosugi, G. Kinoda, Y. Yamamoto, Y. Furubayashi, K. Inaba, Y. Hirose, K. Nakajima, T. Chikyow, T. Shimada and T. Hasegawa
    J. Appl. Phys., Vol.99, pp.08M121/1- 08M121/3 (2006).
  9. Correlation between Flux Pinning and Inhomogeneous Electronic Distribution of Bi2Sr2CaCu2O8+δ Directly Probed by Scanning Tunneling Microscopy/Spectroscopy
    N. Fukuo, H. Mashima, Y. Matsumoto, T. Hitosugi and T. Hasegawa
    Phys. Rev. B, Vol.73, pp.220505/1-220505/4 (2006).
  10. Intrinsic Faraday Spectra of Ferromagnetic Rutile Ti1-xCoxO2-d
    Y. Hirose, T. Hitosugi, Y. Furubayashi, G. Kinoda, K. Inaba, T. Shimada and T. Hasegawa
    Appl. Phys. Lett., Vol.88, pp.252508/1-252508/3 (2006).
  11. Response to "Comment on ‘A transparent metal: Nb-doped anatase TiO2’ [Appl. Phys. Lett. 86, 252101 (2005)]"
    Y. Furubayashi, T. Hitosugi and T. Hasegawa
    Appl. Phys. Lett., Vol.88, p.226103 (2006).
  12. Direct Observation of Interlayer Josephson Vortices in Heavily Pb-Doped Bi2Sr2CaCu2Oy by Scanning Superconducting Quantum Interference Device Microscopy
    J. Kasai, N. Okazaki, Y. Nakayama, T. Motohashi, J. Shimoyama, K. Kishio, Y. Matsumoto, H. Koinuma and T. Hasegawa
    Jpn. J. Appl. Phys., Vol.45, pp.L490-L492 (2006).
  13. Large Magnetic Anisotropy in Highly c-axis-oriented RuEu1.5Ce0.5Sr2Cu2O10-δ Epitaxial Films
    W. Q. Lu, Y. Yamamoto, K. Itaka, V. V. Petrykin, M. Kakihana, Y. Matsumoto, T. Hasegawa, and H. Koinuma.
    Phys. Rev. B, Vol.74, pp.092402/1-092402/4 (2006).
  14. Correlation between Vortex Distribution and Electronic Inhomogeneity in Bi.2Sr2CaCu2O8+δ as Probed by STM/STS
    N. Fukuo, H. Mashima, G. Kinoda, T. Hitosugi, T. Shimada, K. Shimizu, J. Shimoyama, K. Kishio, Y. Matsumoto and T. Hasegawa
    AIP Conf. Proc., Vol.850, pp.797-798 (2006).
  15. Scanning Tunneling Microscopy/Spectroscopy of Heavily Overdoped Bi2Sr2CuOy Single Crystals
    Hideki Mashima, Noritaka Fukuo, Go Kinoda, Taro Hitosugi, Toshihiro Shimada, Takeshi Kondo, Yoshinori Okada, Hiroshi Ikuta, Yuji Matsumoto, and Tetsuya Hasegawa
    AIP Conf. Proc., Vol.850, pp.509-510 (2006).
    [DOI: 10.1063/1.2354808]
  16. Development of UHV-LT MFM Operating in Magnetic Field
    Hidetaka Sugaya, Taro Hitosugi, Toshihiro Shimada, Toshihiko Nagamura, Yuji Matsumoto, and Tetsuya Hasegawa
    AIP Conf. Proc., Vol.850, pp.1667-1668 (2006).
    [DOI: 10.1063/1.2355349]
  17. CEMS Study on Diluted Magneto Titanium Oxide Films Prepared by Pulsed Laser Deposition
    K. Nomura, K. Inaba, S. Iio, T. Hitosugi, T. Hasegawa, Y. Hirose and Z. Homonnay
    Hyperfine Interact., Vol.168, pp.1065-1071 (2006).
  18. Post-processing of spin-coated organic thin films in solvent vapors: Vapor pressure monitoring by infrared absorption and the effect of electric fields.
    Shimada, Toshihiro. 
    Thin Solid Films (2006), 515(4), 1568-1572.
  19. Pulsed molecular beam scattering of a planar-shaped organic molecule on regularly stepped surfaces of hydrogen-terminated Si(111).
    Shimada, Toshihiro; Ichikawa, Hisashi; Saiki, Koichiro.
    Applied Physics Letters (2006), 89(14), 141912/1-141912/3.
  20. Thickness dependent characteristics of a copper phthalocyanine thin-film transistor investigated by in situ FET measurement system.
    Ikeda, Susumu; Yamakawa, Hidemitsu; Kiguchi, Manabu; Nakayama, Manabu; Saiki, Koichiro; Shimada, Toshihiro; Miyadera, Tetsuhiko; Tsutsui, Ken; Wada, Yasuo.
    Molecular Crystals and Liquid Crystals (2006), 455, 347-351.
  21. Electron spectroscopy of dye-sensitized anatase(001) surfaces under illumination.
    Shimada, Toshihiro; Kaji, Toshihiko; Saiki, Koichiro.
    Molecular Crystals and Liquid Crystals (2006), 455, 317-325.
  22. Graphoepitaxy of sexithiophene on thermally oxidized silicon surface with artificial periodic grooves.
    Ikeda, Susumu; Saiki, Koichiro; Tsutsui, Ken; Edura, Tomohiko; Wada, Yasuo; Miyazoe, Hiroyuki; Terashima, Kazuo; Inaba, Katsuhiko; Mitsunaga, Toru; Shimada, Toshihiro.
    Applied Physics Letters (2006), 88(25), 251905/1-251905/3
  23. Interaction between surface migrating pentacene molecules and chemically modified surfaces of silicon oxides studied by pulsed molecular beam scattering.
    H. Ichikawa, A. Koma, K. Saiki, T. Shimada
    Surf. Sci. 600, L236-L239 (2006)

Reviews (in Japanese)

  1. 酸化物電子材料の新展開―ZnO系青色発光ダイオードの開発
    長谷川哲也
    化学, Vol.61, pp.68-69 (2006).
  2. 酸化チタン(Ti系ペロブスカイトを含む)
    一杉太郎、長谷川哲也
    「透明導電膜の技術(改訂2版)」、pp.173-184、オーム社 (2006).
  3. 有機薄膜成長における基板表面ステップと溶媒雰囲気の効果
    島田敏宏
    Molecular Electronics and Bioelectronics 17, 225-230 (2006).

2005

  1. Direct Determination of Localized Impurity Levels Located in the Blocking Layers of Bi2Sr2CaCu2Oy Using Scanning Tunneling Microscopy/Spectroscopy
    G. Kinoda, H. Mashima, K. Shimizu, J. Shimoyama, K. Kishio and T. Hasegawa
    Phys. Rev. B 71, R020502-R020505 (2005).
    [DOI: 10.1103/PhysRevB.71.020502]
  2. c-Axis Oriented Epitaxial Ru(Eu1.5Ce0.5)Sr2Cu2O10-δ Thin Films Grown by Flux-Mediated Solid Phase Epitaxy
    W. Q. Lu, Y. Yamamoto, V. V. Petrykin, M. Kakihana, Y. Matsumoto, U. S. Joshi, H. Koinuma and T. Hasegawa
    Thin Solid Films 486, 79-81 (2005).
  3. A Transparent Metal: Nb-Doped Anatase TiO2
    Y. Furubayashi, T. Hitosugi, Y. Yamamoto, K. Inaba, G. Kinoda, Y. Hirose, T. Shimada and T. Hasegawa
    Appl. Phys. Lett. 86, 252101/1-252101/3 (2005).
  4. Epitaxial Growth and Physical Properties of a Room Temperature Ferromagnetic Semiconductor: Anatase Phase Ti1-xCoxO2
    Y. Yamada, H. Toyosaki, A. Tsukazaki, T. Fukumura, K. Tamura, Y. Segawa, K. Nakajima, T. Aoyama, T. Chikyow, T. Hasegawa, H. Koinuma and M. Kawasaki
    J. Appl. Phys. 96, 5097-5102 (2005).
  5. Bulk-Like Pentacene Epitaxial Films on Hydrogen-Terminated Si (111)
    T. Shimada, H. Nogawa, T. Hasegawa, R. Okada, H. Ichikawa, K. Ueno and K. Saiki
    Appl. Phys. Lett. 87, 061917/1-061917/3 (2005).
  6. Ta-doped Anatase TiO2 Epitaxial Film as Transparent Conducting Oxide
    T. Hitosugi, Y. Furubayashi, A. Ueda, K. Itabashi, K. Inaba, Y. Hirose, G. Kinoda, Y. Yamamoto, T. Shimada and T. Hasegawa
    Jpn. J. Appl. Phys. 44, L1063-L1065 (2005).
  7. Heteroepitaxial Growth of Rutile TiO2 on GaN(0001) by Pulsed Laser Deposition
    T. Hitosugi, Y. Hirose, J. Kasai, Y. Furubayashi, M. Ohtani, K. Nakajima, T. Chikyow, T. Shimada and T. Hasegawa
    Jpn. J. Appl. Phys. 44, L1503-L1505 (2005).
  8. Uniaxial Alignment of Alq3 by Laser-Assisted Molecular Beam Epitaxy
    H. Ichikawa, K. Saiki, T. Suzuki, T. Hasegawa and T. Shimada
    Jpn. J. Appl. Phys. 44, L1469-L1471 (2005).
  9. New Transparent Conductors Anatase Ti1-xMxO2 (M=Nb,Ta): Transport and Optical Properties
    Y. Furubayashi, T. Hitosugi, Y. Yamamoto, Y. Hirose, M. Otani, K. Nakajima, T. Chikyow, T. Shimada and T. Hasegawa
    Proc. 2005 MRS Fall Meeting 905E. 0905-DD02-01.1-6 (2005).
  10. Ferromagnetism in Anatase TiO2 Codoped with Co and Nb
    T. Hitosugi, G. Kinoda, K. Inaba, Y. Yamamoto, Y. Furubayashi, Y. Hirose, T. Shimada and T. Hasegawa
    Proc. 8th Int. Symp. on Foundations of Quantum Mechanics in the Light of New Technology, ISQM-Tokyo '05, pp.191-193, Hatoyama, Aug. 22-25 (2005).
  11. Electric-field-induced charge injection and exhaustion in organic thin-film transistors
    M. Kiguchi, M. Nakayama, T. Shimada and K. Saiki
    Phys. Rev. B 71, 035332 (2005).
    [DOI: 10.1103/PhysRevB.71.035332]

Reviews (in Japanese)

  1. 低温でのプローブ顕微鏡測定
    長谷川哲也, 岡崎壮平
    熱測定 32, 218-225 (2005).
  2. 変調分子線を用いた有機薄膜蒸着基礎過程の解明
    島田敏宏
    表面科学 26, 410 (2005).
  3. 有機分子エピタキシャル薄膜成長における光励起の影響
    島田敏宏
    日本結晶成長学会誌 32 (5), 347-352 (2005).
  4. Electron spectroscopy of organic thin-film FETs
    T. Shimada
    Electronic Engineering in Japan (Wiley) 152, 31-36 (2005).
  5. 走査型トンネル顕微鏡が捉えるナノメータスケール構造の時間変化
    一杉太郎, 平家誠嗣, 橋詰富博
    固体物理 40, 871-881 (2005).

2004

  1. Exploration of oxide-based diluted magnetic semiconductors toward transparent spintronics
    T. Fukumura, Y. Yamada, H. Toyosaki, T. Hasegawa, H. Koinuma and M. Kawasaki
    Appl. Surf. Sci. 223, 62-67 (2004).
  2. Photo-induced magnetism in perovskite-type Mn oxides investigated by using combinatorial methodology
    H. Sugaya, S. Okazaki, T. Hasegawa, N. Okazaki, J. Nishimura, T. Fukumura, M. Kawasaki and H. Koinuma
    Appl. Surf. Sci. 223, 68-72 (2004).
  3. Magneto-optical imaging for high-throughput characterization of combinatorial magnetic thin films
    X. R. Zhao, N. Okazaki, Y. Konishi, K. Akahane, Z. Kuang, T. Ishibashi, K. Sato, H. Koinuma and T. Hasegawa
    Appl. Surf. Sci. 223, 73-77 (2004).
  4. Characterization of LiNb1-xTaxO3 composition-spread thin film by the scanning microwave microscope
    N. Okazaki, S. Okazaki, H. Higuma, S. Miyashita, Y. Cho, J. Nishimura, T. Fukumura, M. Kawasaki, M. Murakami, Y. Yamamoto, Y. Matsumoto and H. Koinuma
    Appl. Surf. Sci. 223, 196-199 (2004).
  5. Amorphous stability of HfO2 based ternary and binary composition spread oxide films as alternative gate dielectrics
    K. Hasegawa, P. Ahmet, N. Okazaki, T. Hasegawa, K. Fujimoto, M. Watanabe, T. Chikyow and H. Koinuma
    Appl. Surf. Sci. 223, 229-232 (2004).
  6. Combinatorial fabrication and characterization of ferromagnetic Ti-Co-O system
    M. Murakami, Y. Matsumoto, M. Nagano, T. Hasegawa, M. Kawasaki and H. Koinuma
    Appl. Surf. Sci. 223, 245-248 (2004).
  7. Cobalt valence states and origins of ferromagnetism in Co doped TiO2 rutile thin films
    M. Murakami, Y. Matsumoto, T. Hasegawa, P. Ahmet, K. Nakajima, T. Chikyow, H. Ofuchi, I. Nakai and H. Koinuma
    J. Appl. Phys. 95, 5330-5333 (2004).
  8. Anomalous Hall effect governed by electron doping in a room-temperature transparent ferromagnetic semiconductor
    H. Toyosaki, T. Fukumura, Y. Yamada, K. Nakajima, T. Chikyow, T. Hasegawa, H. Koinuma and M. Kawasaki
    Nature Mater. 3, 221-224 (2004).
    [DOI: 10.1038/nmat1099]
  9. The first observation of 1H-NMR spectrum of pentacene
    M. Nagano, T. Hasegawa, N. Myoujin, J. Yamaguchi, K. Itaka, H. Fukumoto, T. Yamamoto and H. Koinuma
    Jpn. J. Appl. Phys. 43, L315-L316 (2004).
  10. Nanometre-sized inhomogeneity in high-Jc Bi2Sr2CaCu2O8+δ superconductors
    M. Nishiyama, G. Kinoda, Y. Zhao, T. Hasegawa, Y. Itoh, N. Koshizuka, and M. Murakami
    Supercond. Sci. Technol. 17, 1406-1410 (2004).
    [DOI: 10.1088/0953-2048/17/12/008]
  11. Observation of compositional fluctuation by scanning superconducting quantum interference device (SQUID) microscope in superconducting La1.8 Sr0.2CuO4
    J. Kasai, N. Okazaki, T. Hasegawa, Y. Togawa, T. Sasagawa, J. Shimoyama, Kohji Kishio, M. Ohtani, T. Fukumura, M. Kawasaki, and H. Koinuma
    Jpn. J. Appl. Phys. 43, L1327-L1329 (2004).
  12. Methyl-terminated Si(111) surface as the ultra thin protection layer to fabricate position-controlled alkyl SAMs by using atomic force microscope anodic oxidation
    R. Okada, T. Miyadera, T. Shimada, A. Koma, K. Ueno and K. Saiki
    Surf. Sci. 552, 46-52 (2004).
  13. Accelerated photopolymerization and increased mobility in C60 field-effect transistors studied by ultraviolet photoelectron Spectroscopy
    T. Shimada, T. Suetsugu, T. Miyadera, Y. Yamamoto, A. Koma, K. Saiki and K. Kudo
    Appl. Phys. Lett. 84, 2439-2441 (2004).
  14. Band structure and molecular orientation of ultrathin epitaxial films of squaric acid
    T. Shimada, H. Taira, T. Miyadera, A. Koma and K. Saiki
    J. Phys. Chem. B 108, 5329 -5332 (2004).
  15. Molecular orientation and electronic structure of epitaxial bucky ferrocene ((Fe(C60(CH3)5)C5H5) thin films
    T. Kaji, T. Shimada, H. Inoue, K. Saiki, Y. Kuninobu, Y. Matsuo, E. Nakamura and K. Saiki
    J. Phys. Chem. B 108, 9914-9918 (2004).
  16. Controlling molecular motion on the surface by electric field gradient during molecular beam epitaxy of liquid crystal ultrathin films
    T. Shimada, M. Nagahori and A. Koma
    Surf. Sci. 564, L263-269 (2004).
  17. Photoinduced change in the Raman spectrum of buckyferrocene ((Fe(C60(CH3)5)C5H5)
    T. Shimada, Y. Yamamoto, T. Kaji, K. Itaka, H. Koinuma, Y. Kuninobu, Y. Matsuo, E. Nakamura and K. Saiki
    Solid State Commun. 132, 197-201 (2004).
    [DOI: 10.1016/j.ssc.2004.07.046]
  18. Morphological change of C60 monolayer epitaxial films under photoexcitation
    Y. Yamamoto, H. Ichikawa, K. Ueno, A. Koma, K. Saiki and T. Shimada
    Phys. Rev. B 70, 155415 (2004).

2) Reviews (in Japanese)

  1. コンビナトリアル薄膜技術と室温透明磁性薄膜の発見
    松本祐司, 村上真, 長谷川哲也
    応用物理, 73, 587-592 (2004).
  2. 走査型プローブ顕微鏡
    長谷川哲也
    「先端の分析法-理工学からナノ・バイオまで-」, pp. 75-184, エヌ・ティー・エス (2004). more in amazon.co.jp
  3. 有機薄膜FETの電子分光
    島田敏宏
    電気学会論文誌C 124 (6), 1229-1233 (2004).

2003

  1. T. Y. Kim, J. Nishimura, T. Fukumura, M. Kawasaki, T. Hasegawa, H. Koinuma Y. Taguchi and Y. Tokura,
    Magnetic domain structure of growth temperature-gradient Sm2Mo2O7 thin film investigated by scanning SQUID microscopy
    , Physica B 329, 1046-1048 (2003).
  2. J. Kasai, N. Okazaki, Y. Nakayama, T. Motohashi, J. Shimoyama, K. Kishio, H. Koinuma and T. Hasegawa,
    Local magnetic properties of high-Tc superconductors probed by scanning SQUID microscopy
    , Physica C 388, 267-268 (2003).
  3. X. J. Fan, H. Koinuma and T. Hasegawa,
    Ferromagnetic correlation and metallic behavior in slightly electron-doped antiferromagnetic CaMnO3
    , Physica B 329, 723-724 (2003).
  4. T. Fukumura, Y. Yamada, K. Tamura, K. Nakajima, T. Aoyama, A. Tsukazaki, M. Sumiya, S. Fuke, Y. Segawa, T. Chikyow, T. Hasegawa, H. Koinuma and M. Kawasaki,
    Magneto-optical spectroscopy of anatase TiO2 doped with Co
    , Jpn. J. Appl. Phys. 42, L105-L107 (2003).
  5. H. Sugaya, T.Y. Kim, J. Nishimura, T. Fukumura, M. Kawasaki, H. Koinuma Y. Tokura and T. Hasegawa,
    Scanning SQUID microscopy on compsition-spread NdSrMnO films under irradiation
    , Physica B 329, 787-788 (2003).
  6. G. Kinoda, S. Nakano, T. Motohasho, Y. Nakayama, K. Shimizu, J. Shimoyama, K. Kishio, T. Hanaguri, K. Kitazawa and T. Hasegawa,
    inhomogeneous electronic structures in heavily Pb-doped Bi2Sr2CaCu2Oy single crystals probed by low temperature STM/STS
    , Physica C 388, 273-274 (2003).
  7. G. Kinoda, T. Hasegawa, S. Nakao, T. Hanaguri, K. Kitazawa, K. Shimizu, J. Shimoyama and K. Kishio,
    Observations of electronic inhomogeneity in heavily Pb-doped Bi2Sr2CaCu2Oy single crystals by scanning tunneling microscopy
    , Phys. Rev. B 67, 224509/1-224509/5 (2003).
  8. H. Mashima, G. Kinoda, H. Ikuta and T. Hasegawa,
    Cryogenic STM/STS observations of Pb-doped Bi2Sr2CuOy single crystals
    , Physica C 388, 275-276 (2003).
  9. G. Kinoda, T. Hasegawa, S. Nakao, T. Hanaguri, K. Kitazawa, K. Shimizu, J. Shimoyama and K. Kishio,
    Electronic structures of two-phase microstructures alpha and beta in heavily Pb-doped Bi2Sr2CaCu2Oy single crystals investigated by scanning tunneling microscopy/spectroscopy
    , Appl. Phys. Lett. 83, 1178-1180 (2003).
  10. T. Miyadera, T. Shimada and A. Koma,
    Ultraviolet photoelectron spectroscopy of a methyl-terminated Si(111) surface
    , Surf. Sci. 526, 177-183 (2003).
  11. Y. Kamimuta, A. Koma and T. Shimada,
    Electron spectroscopy of chemically synthesized ZnS clusters
    , Solid State Commun. 125, 581-585 (2003).
  12. T. Shimada, T. Kaji, K. Saiki, A. Koma,
    Interferometric microscopy observation of the initial stage of electrochemical crystal growth of (DMe-DCNQI)2Cu
    , J. Cryst. Growth 253, 351-356 (2003).
  13. T. Shimada, Y. Yamamoto, K. Saiki, A. Koma,
    Photo-assisted electrochemical deposition of cupper from a bathocuproin complex
    , Jpn. J. Appl. Phys. 42, L964-966 (2003).
  14. M. Kiguchi, M. Nakayama, K. Fujiwara, K. Ueno, T .Shimada, K. Saiki,
    Accumulation and depletion layer thicknesses in organic field effect transistors
    , Jpn. J. Appl. Phys. 42, L1408-1410 (2003).

2) Reviews (in Japanese)

  1. SPMによる高温超伝導体の量子化磁束観察
    笠井淳平、長谷川哲也
    セラミックス 38 (10), 799-802 (2003).
  2. Combinatorial investigation of spintronic materials
    Y. Matsumoto, H. Koinuma, T. Hasegawa, I. Takeuchi, F. Tsui, and Y. K. Yoo
    MRS Bulletin 28, 734-739 (2003).