小安 喜一郎

原著論文

75.    K. Nakamura, S. Ito, K. Koyasu, and T. Tsukuda*,
"Effect of total charge on the electronic structure of thiolate-protected X@Ag12 superatoms (X = Ag, Au)"
Phys. Chem. Chem. Phys. 2023, 25, 5955-5959.

74.    M. Iwamoto, K. Koyasu, T. Konuma, K. Tsuruoka, S. Muramatsu, and T. Tsukuda*,
"Temperature effect on photoelectron spectra of AuCO2: Relative stability between physisorbed and chemisorbed isomers"
Chem. Phys. Lett. 2022, 803, 139823.

73.    M. Sanekata, Y. Nakagomi, M. Hirayama, H. Nishida, N. Nishimiya, M. Tona, H. Yamamoto, K. Tsukamoto, K. Fuke, K. Ohshimo, K. Koyasu, and F. Misaizu,
"Time-of-flight mass spectrometry diagnostics in deep oscillation magnetron sputtering (DOMS) of titanium"
J. Appl. Phys. 2022, 131, 243301.

72.    S. Ito, Y. Tasaka, K. Nakamura, Y. Fujiwara, K. Hirata, K. Koyasu, and T. Tsukuda*,
"Electron Affinities of Ligated Icosahedral M13 Superatoms Revisited by Gas-Phase Anion Photoelectron Spectroscopy"
J. Phys. Chem. Lett. 2022, 13, 5049-5055.

71.    L. Wang, T. Omoda, K. Koyasu, and T. Tsukuda*,
"Controlled Synthesis of Diphosphine-Protected Gold Cluster Cations Using Magnetron Sputtering Method"
Molecules 2022, 27, 1330.

70.    S. Ito, K. Koyasu, S. Takano, and T. Tsukuda*,
"Critical Role of CF3 Groups in the Electronic Stabilization of [PdAu24(C≡C6H3(CF3)2)18]2– as Revealed by Gas-Phase Anion Photoelectron Spectroscopy"
J. Phys. Chem. Lett. 2021, 12, 10417-10421.

69.    S. Emori, S. Takano, K. Koyasu, and T. Tsukuda*,
"Chemical Transformations of [MAu8(PPh3)8]2+ (M = Pt, Pd) and [Au9(PPh3)8]3+ in Methanol Induced by Irradiation of Atmospheric Pressure Plasma"
J. Chem. Phys. 2021, 155, 124312.

68.    K. Koyasu, and T. Tsukuda*,
"Gas-Phase Studies of Chemically Synthesized Au and Ag Clusters"
J. Chem. Phys. 2021, 154, 140901.

67.    H. Hirai, S. Ito, S. Takano, K. Koyasu, and T. Tsukuda*,
"Ligand-Protected Gold/Silver Superatoms: Current Status and Emerging Trends"
Chem. Sci. 2020, 11, 12233.

66.    K. Koyasu, K. Tsuruoka, S. Kameoka, A.-P. Tsai, and T. Tsukuda*,
"Au3Si4- and Au4Si4: Electronically Equivalent but Different Polarity Superatoms"
J. Phys. Chem. A 2020, 124, 7710.

65.    S. Ito, K. Koyasu, S. Takano, and T. Tsukuda*,
"Collision-Induced Reductive Elimination of 1,3-Diynes from [MAu24(C≡CR)18]2- (M = Pd, Pt) Yielding Clusters of Superatoms"
J. Phys. Chem. C 2020, 124, 19119.

64.    K. Koyasu*, R. Tomihara, T. Nagata, J. W. J. Wu, M. Nakano, K. Ohshimo, F. Misaizu*, and T. Tsukuda*,
"Sequential growth of iridium cluster anions based on simple cubic packing"
Phys. Chem. Chem. Phys. 2020, 22, 17842.

63.    Y. Tasaka, K. Nakamura, S. Malola, K. Hirata, K. Kim, K. Koyasu, H. Hakkinen, and T. Tsukuda*,
"Electron Binding in a Superatom with a Repulsive Coulomb Barrier: the Case of [Ag44(SC6H3F2)30]4- in Gas Phase"
J. Phys. Chem. Lett. 2020, 11, 3069.

62.    K. Tsukamoto, T. Tamura, H. Matsusaki, M. Tona, H. Yamamoto, Y. Nakagomi, H. Nishida, Y. Hirai, N. Nishimiya, M. Sanekata*, K. Ohshimo, K. Koyasu, and F. Misaizu*,
"Time-of-flight mass spectrometric diagnostics for ionized and neutral species in high-power pulsed magnetron sputtering of titanium"
Jpn. J. Appl. Phys. 2020, 59, SHHB05.

61.    K. Kim, K. Hirata, K. Nakamura, H. Kitazawa, S. Hayashi, K. Koyasu, T. Tsukuda*,
"Elucidating the doping effect on the electronic structure of thiolate-protected silver superatoms by photoelectron spectroscopy"
Angew. Chem., Int. Ed 2019, 58, 11637.

60.    R. Tomihara, K. Koyasu, T. Nagata, J. W. J. Wu, M. Nakano, K. Ohshimo, F. Misaizu, T. Tsukuda*,
"Structural evolution of iridium oxide cluster anions IrnOm- (n = 5-8) with sequential oxidation: Binding mode of O atoms and Ir framework"
J. Phys. Chem. C 2019, 123, 15301.

59.    K. Hirata, K. Kim, K. Nakamura, H. Kitazawa, S. Hayashi, K. Koyasu, T. Tsukuda*,
"Photoinduced thermionic emission from [M25(SR)18]- (M = Au, Ag) revealed by anion photoelectron spectroscopy"
J. Phys. Chem. C 2019, 123, 13174.

58.    S. Muramatsu, K. Koyasu, and T. Tsukuda*,
"Abstraction of I Atom from CH3I by gas-phase Aun- (n = 1-4) via reductive activation of the C-I bond"
ACS Omega 2018, 3, 16874.

57.    T. Yanase, R. Nakanishi, S. Muramatsu, K. Koyasu, H. Yoshida, T. Nagata and T. Tsukuda*,
"Photoelectron spectroscopy of molecular anion of Alq3 : an estimation of reorganization energy for electron transport in the bulk"
ACS Omega 2018, 3, 15200.

56.    H. Tsunoyama, M. Akutsu, K. Koyasu, and A. Nakajima*
"The stability of binary Al12X nanoclusters (X = Sc and Ti): superatom or Wade's polyhedron"
J. Phys.: Condensed Mater. 2018, 49, 494004.

55.    K. Hirata, P. Chakraborty, A. Nag, S. Takano, K. Koyasu, T. Pradeep, and T. Tsukuda*
"Interconversions of structural isomers of [PdAu8(PPh3)8]2+ and [Au9(PPh3)8]3+ revealed by ion mobility mass spectrometry"
J. Phys. Chem. C 2018, 122, 23123.

54.    T. Omoda, S. Takano, S. Yamazoe, K. Koyasu, Y. Negishi, and T. Tsukuda*
"An Au25(SR)18 cluster with a face-centered cubic core"
J. Phys. Chem. C 2018, 122, 13199.

53.    R. Tomihara, K. Hirata, H. Yamamoto, S. Takano, K. Koyasu, and T. Tsukuda*
"Collision-induced dissociation of undecagold clusters protected by mixed ligands [Au11(PPh3)8X2]+ (X = Cl, C≡CPh)"
ACS Omega 2018, 3, 6237.

52.    R. Takahata, S. Yamazoe, K. Koyasu, K. Imura, and T. Tsukuda*
"Gold ultrathin nanorods with controlled aspect ratios and surface modifications: formation mechanism and localized surface plasmon resonance"
J. Am. Chem. Soc. 2018, 140, 6640.

51.    K. Tsuruoka, K. Koyasu, S. Hirabayashi, M. Ichihashi, and T. Tsukuda*
"Size-dependent polymorphism in aluminum carbide cluster anions AlnC2-: formation of acetylide-containing structures"
J. Phys. Chem. C 2018, 122, 8341.

50.    M. Azubel*, A. L. Koh, K. Koyasu, T. Tsukuda, and R. D. Kornberg
"Structure determination of a water-soluble 144-gold atom particle at atomic resolution by aberration-corrected electron microscopy"
ACS Nano 2017, 11, 11866.

49.    K. Hirata, K. Yamashita, S. Muramatsu, S. Takano, K. Ohshimo, T. Azuma, R. Nakanishi, T. Nagata, S. Yamazoe, K. Koyasu, and T. Tsukuda*,
"Anion photoelectron spectroscopy of free [Au25(SC12H25)18]-"
Nanoscale 2017, 9, 13409.

48.    M. Akutsu, K. Koyasu, J. Atobe, K. Miyajima, M. Mitsui, H. Tsunoyama, and A. Nakajima*,
"Geometric and electronic properties of Si-atom doped Al clusters: robustness of binary superatoms against charging"
Phys. Chem. Chem. Phys. 2017, 19, 20401.

47.    S. Hayashi, S. Yamazoe*, K. Koyasu, and T. Tsukuda
"Lewis base catalytic properties of [Nb10O28]6- for CO2 fixation to epoxide: kinetic and theoretical studies"
Chem. Asian J. 2017, 12, 1635.

46.    R. Tomihara, K. Koyasu, and T. Tsukuda*
"Observation and the origin of magic compositions of ConOm- formed in oxidation of cobalt cluster anions"
J. Phys. Chem. C 2017, 121, 10957.

45.    R. Takahata, S. Yamazoe, K. Koyasu, and T. Tsukuda*
"Structural model of ultrathin gold nanorods based on high-resolution transmission electron microscopy: twinned 1D oligomers of cuboctahedrons"
J. Phys. Chem. C 2017, 121, 10942.

44.    H. Yamamoto, P. Maity, R. Takahata, S. Yamazoe, K. Koyasu, W. Kurashige, Y. Negishi, and T. Tsukuda*
"Monodisperse iridium clusters protected by phenylacetylene: implication for size-dependent evolution of binding sites"
J. Phys. Chem. C 2017, 121, 10936.

43.    S. Muramatsu, K. koyasu, and T. Tsukuda*
"Formation of grignard reagent-like complex [CH3-M-I]- via oxidative addition of CH3I on coinage metal anions M- (M = Cu, Ag, Au) in the gas phase"
Chem. Lett. 2017, 46, 676.

42.    R. Ishida, S. Arii, W. Kurashige, S. Yamazoe, K. koyasu, Y. Negishi, and T. Tsukuda*
"Halogen adsorbates on polymer-stabilized gold clusters: Mass spectrometric detection and effects on catalysis”
Chin. J. Catal. 2016, 37, 1656.

41.    A. Yanagimachi, K. Koyasu, D. Y. Valdivielso, S. Gewinner, W. Schollkopf, A. Fielicke, and T. Tsukuda*,
“Size-Specific, Dissociative Activation of Carbon Dioxide by Cobalt Cluster Anions”
J. Phys. Chem. C 2016, 120, 14209.

40.    S. Matsuo, S. Takano, S. Yamazoe, K. Koyasu, and T. Tsukuda*,
“Selective and High-Yield Synthesis of Oblate Superatom [PdAu8(PPh3)8]2+
ChemElectroChem 2016, 3, 1206-1211.

39.    S. Muramatsu, K. Koyasu, and T. Tsukuda*,
“Oxidative Addition of CH3I to Au- in the Gas Phase”
J. Phys. Chem. A 2016, 120, 957.

38.    S. Hayashi, S. Yamazoe, K. Koyasu, and T. Tsukuda*,
“Application of group V polyoxometalate as efficient base catalyst: a case study of decaniobate cluster”
RSC Advances 2016, 6, 16239.

37.    R. Ishida, S. Yamazoe, K. Koyasu, and T. Tsukuda*,
“Repeated appearance and disappearance of localized surface plasmon resonance in 1.2 nm gold clusters induced by adsorption and desorption of hydrogen atoms”
Nanoscale 2016, 8, 2544.

36.    S. Takano, S. Yamazoe, K. Koyasu, and T. Tsukuda*,
“Slow-reduction synthesis of a thiolate-protected one-dimensional gold cluster showing an intense near-infrared absorption”
J. Am. Chem. Soc. 2015, 137, 7027.

35.    T. Watanabe, K. Koyasu, and T. Tsukuda*,
“Density Functional Theory Study on Stabilization of Al13 Superatom by PVP”
J. Phys. Chem. C 2015, 119, 10904.

34.    K. Koyasu, and T. Tsukuda*,
“A Face-sharing Bi-icosahedral Model for Al23-
Phys. Chem. Chem. Phys. 2014, 16, 21717.

33.    R. Takahata, S. Yamazoe, K. Koyasu, and T. Tsukuda*,
“Surface Plasmon Resonance in Gold Ultrathin Nanorods and Nanowires”
J. Am. Chem. Soc. 2014, 136, 8489.

32.    J. Nishigaki, K. Koyasu, and T. Tsukuda*,
“Chemically-Modified Gold Superatoms and Superatomic Molecules”
Chem. Rec. 2014, 14, 897.

31.    S.Yamazoe, K. Koyasu, and T. Tsukuda*,
“Nonscalable Oxidation Catalysis of Gold Clusters”
Acc. Chem. Res. 2014, 47, 816.

30.    K. Ota, K. Koyasu, K. Ohshimo, and F. Misaizu*,
“Structures of cobalt oxide cluster cations studied by ion mobility mass spectrometry”
Chem. Phys. Lett. 2013, 588, 63.

29.    K. Koyasu, K. Komatsu, and F. Misaizu*,
“Structural transition of zinc oxide cluster cations: Smallest tube like structure at (ZnO)6+
J. Chem. Phys. 2013, 139, 164308 (6 pages).

28.    R. Moriyama, T. Ohtaki, J. Hosoya, K. Koyasu, and F. Misaizu*,
“Isomer-separated photodissociation of large sized silicon and carbon cluster ions: Drift tube experiment combined with a tandem reflectron mass spectrometer for Si24+ – Si27+ and C32+ – C38+
Eur. Phys. J. D 2013, 67, 13.

27.    K. Koyasu, T. Ohtaki, and F. Misaizu*,
“Isomer-resolved dissociation of small carbon cluster cations, C7+ – C10+
Chem. Phys. Lett. 2012, 523, 54–59.

26.    J. Atobe, K. Koyasu, S. Furuse, and A. Nakajima*,
“Anion photoelectron spectroscopy of germanium and tin clusters containing a transiton- or lanthanide-metal atom; MGen (n = 8–20) and MSnn (n = 15–17) (M = Sc–V, Y–Nb, and Lu–Ta)”
Phys. Chem. Chem. Phys. 2012, 14, 9403–9410.

25.    K. Koyasu, T. Ohtaki, and F. Misaizu*,
“Temperature dependence of ion mobility of carbon cluster cations: Intermediate region connecting low- and high-field conditions”,
Bull. Chem. Soc. Jpn. 2011, 84, 1342–1346. 

24.    K. Koyasu, C. Braun, S. Proch, and G. Ganteför*,
“Time-resolved photoelectron spectroscopy of Al3O3–: photoisomerization versus photofragmentation”,
Appl. Phys. A 2011, 102, 615–620.

23.    K. Koyasu, C. Braun, S. Proch, and G. Ganteför*,
“The metal-semiconductor transition monitored by excited state lifetimes of Al4Om– cluster”
Appl. Phys. A 2010, 100, 431–436.

22.    K. Koyasu, W. Westhäuser, M. Niemietz, J. Heinen, and G. Ganteför*,
“O2 photodesorption from AuO2– and Au2O2–”,
Appl. Phys. A, 2009, 96, 679–684.

21.    K. Koyasu, M. Niemietz, W. Westhäuser, and G. Ganteför*,
“O2 photodesorption from AgO8– cluster”,
Eur. Phys. J. D, 2009, 53, 59–62.

20.    K. Kanai, K. Akaike, K. Koyasu, K. Sakai, T. Nishi, Y. Kamizuru, T. Nishi, Y. Ohuchi, and K. Seki
“Determination of Electron Affinity of Electron Accepting Molecules”
Appl. Phys. A, 2009, 95, 309–313.

19.    K. Koyasu, J. Atobe, S. Furuse, and A. Nakajima*,
“Anion photoelectron spectroscopy of transition metal- and lanthanide metal-silicion clusters; MSin– (n = 6–20)”,
J. Chem. Phys., 2008, 129, 214301. (7 pages)

18.    S. Furuse, K. Koyasu, J. Atobe, and A. Nakajima*,
“Experimental and theoretical characterization of MSi16–, MGe16–, MSn16–, MPb16– (M = Ti, Zr, and Hf): The role of cage aromaticity”,
J. Chem. Phys., 2008, 129, 064311. (6 pages)

17.     M. Niemietz,K. Koyasu,G. Ganteför,Y. D. Kim
“Dynamics of O2 photodesorption from metal clusters: A significant difference from bulk behaviour”
Chem. Phys. Lett., 2007, 438, 263–267.

16.    M. Akutsu, K. Koyasu, J. Atobe, K. Miyajima, M. Mitsui, and A. Nakajima*,
“Electronic Properties of Si and Ge Atoms Doped In Clusters: InnSim and InnGem
Journal of Physical Chemistry A, 2007, 111, 573–577.

15.    K. Koyasu, J. Atobe, M. Akutsu, M. Mitsui, and A. Nakajima*,
“Electronic and Geometric Stabilities of Clusters with Transition Metal Encapsulated by Silicon”
Journal of Physical Chemistry A, 2007, 111, 42–49.

14.    K. Koyasu, Y. Naono, M. Akutsu, M. Mitsui, and A. Nakajima*,
“Photoelectron spectroscopy of binary Au cluster anions with a doped metal atom: AunM– (n = 2–7), M = Pd, Ni, Zn, Cu, and Mg”
Chem. Phys. Lett., 2006, 422, 62–66.

13.    K. Koyasu, M. Akutsu, J. Atobe, M. Mitsui, and A. Nakajima*,
“Electronic properties of Cs-atom doped aluminum and silicon clusters: AlnCsm and SinCsm”
Chem. Phys. Lett., 2006, 421, 534–539.

12.    M. Akutsu, K. Koyasu, J. Atobe, N. Hosoya, K. Miyajima, M. Mitsui, A. Nakajima*,
“Experimental and Theoretical Characterization of Aluminum-Based Binary Superatoms of Al12X and Their Cluster Salts”
J. Phys. Chem. A, 2006, 110, 12073–12076.

11.    K. Koyasu, M. Akutsu, M. Mitsui, and A. Nakajima*,
“The selective formation of MSi16 (M = Sc, Ti, V)”
J. Am. Chem. Soc., 2005, 127, 4998–4999.

10.   N. Hosoya, R. Takegami, J. Suzumura, K. Yada, K. Koyasu, K. Miyajima, M. Mitsui, M. B. Knickelbein, S. Yabushita, and A. Nakajima*,
“Lanthanide organometallic sandwich nanowires: Formation mechanism”
J. Phys. Chem. A, 2005, 109, 9–12.

9.    S. Kokubo, N. Ando, K. Koyasu, M. Mitsui, and A. Nakajima*,
“Negative ion photoelectron spectroscopy of acridine molecular anion and its monohydrate”
J. Chem. Phys., 2004, 121, 11112–11117.

8.    M. Ohara, K. Koyasu, A. Nakajima*, and K. Kaya,
“Geometric and electronic structures of metal (M)-doped silicon clusters (M = Ti, Hf, Mo and W)”
Chem. Phys. Lett., 2003, 371, 490–497.

7.    A. Pramann, K. Koyasu, A. Nakajima*, and K. Kaya,
“Band gap shiftings in Co-doped Nbn (n = 3–15) clusters: influence of Co 3d electrons on the electronic structure”
Int. J. Mass Spectrom., 2003, 229, 77–82.

6.    K. Koyasu, M. Mitsui, A. Nakajima*, and K. Kaya,
“Photoelectron spectroscopy of palladium-doped gold cluster anions; AunPd– (n = 1–4)”
Chem. Phys. Lett., 2002, 358, 224–230.

5.    A. Pramann, K. Koyasu, A. Nakajima*, and K. Kaya,
“Photoelectron spectroscopy of cobalt oxide cluster anions”
J. Phys. Chem. A, 2002, 106, 4891–4896.

4.    A. Pramann, K. Koyasu, A. Nakajima*, and K. Kaya,
“Anion photoelectron spectroscopy of VnOm– (n = 4–15; m = 0–2)”
J. Chem. Phys., 2002, 116, 6521–6528.

3.    A. Pramann, K. Koyasu, A. Nakajima*, and K. Kaya,
“Anion photoelectron spectroscopy of vanadium-doped cobalt clusters”
J. Phys. Chem. A, 2002, 106, 2483–2488.

2.    Y. Ohtsuka, K. Koyasu, D. Miyazaki, T. Ikeno, and T. Yamada*,
“Highly chemo-, diastereo-, and enantioselective reduction of 1,2-dialkyl-3-aryl-1,3-diketones for preparation of aldol-type compounds”
Org. Lett., 2001, 3, 3421–3424.

1.    Y. Ohtsuka, K. Koyasu, T. Ikeno, and T. Yamada*,
“Reductive desymmetrization of 2-alkyl-1,3-diketones catalyzed by optically active beta-ketoiminato cobalt complexes”
Org. Lett., 2001, 3, 2543–2546.

ページの先頭へ

解説・総説

7.    K. Koyasu, and T. Tsukuda*,
"Gas-phase studies of chemically synthesized Au and Ag clusters"
J. Chem. Phys. 2021, 154, 140901.

6.    H. Hirai, S. Ito, S. Takano, K. Koyasu, and T. Tsukuda*,
"Ligand-Protected Gold/Silver Superatoms: Current Status and Emerging Trends"
Chem. Sci. 2020, 11, 12233.

5.    K. Koyasu, K. Hirata, T. Tsukuda*,
"Characterization of chemically modified gold/silver superatoms in the gas phase"
Physical Chemistry of Cold Gas-Phase Functional Molecules and Clusters, Springer, T. Ebata, M. Fujii, Eds. 2019, 223–253.

4.    鶴岡和幸,小安喜一郎,平林慎一,市橋正彦,佃達哉*,
炭素含有アルミニウムクラスターAlnC2の構造多様性
ナノ学会会報 2018, 17, 11–15.

3.    冨原良平,小安喜一郎,佃達哉*,
コバルトクラスター負イオンの酸化過程におけるConOmの魔法組成の出現とその起源
ナノ学会会報 2017, 16, 7–14.

2.    小安 喜一郎・美齊津 文典*,
移動管法によるイオンの異性体分離を利用した研究
しょうとつ 2015, 12, 27–35.

1.    美齊津 文典*・小安 喜一郎,
移動度分析法によって分離された気相クラスター異性体イオンの分光と反応
エアロゾル研究 2013, 28, 113–118.

ページの先頭へ

Invited Talks

8.     K. Koyasu,
"Activation of small molecules utilizing size specific electronic and geometric structures of clusters in the gas phase",
ナノ構造・物性−ナノ機能・応用部会合同シンポジウム, Feb. 3rd, 2020, 北九州市.

7.     小安 喜一郎,
「金属クラスターの化学反応性を用いた分子の活性化」,
触媒材料の金属学研究会(No. 78)第4回ミニシンポジウム, Dec. 9th, 2019, 東京.

6.     K. Tsuruoka, K. Koyasu and T. Tsukuda,
“Size-dependent Polymorphism in Aluminum Carbide Cluster Anions AlnC2- ”,
International Congress on Pure & Applied Chemistry (ICPAC) 2018, March 8th, 2018, Siem Reap, Cambodia.

5.     小安 喜一郎, 鶴岡 和幸, 佃 達哉,
“炭素を含むアルミニウムクラスターの生成と構造評価”,
IQCE量子化学探索講演会2017「量子化学で探る化学の最先端」, Oct. 21st, 2017, 東京.

4.     K. Koyasu and T. Tsukuda,
“Bond formation of metal clusters through superatomic orbitals”,
19th East Asian Workshop on Chemical Dynamics, Oct. 5th, 2015, Gold Coast, Australia.

3.     K. Koyasu and T. Tsukuda,
“Study on inorganic clusters in gas phase for the development of building blocks of novel functional nanomaterials”,
Frontiers in Materials Chemistry (Chile-Japan Academic Forum at UTokyo), Oct. 8th, 2014, Tokyo, Japan.

2.     K. Koyasu, T. Ohtaki, and F. Misaizu,
“Isomer-selected photodissociation of carbon and silicon cluster ions with ion mobility mass spectrometry using a double reflectron time-of-flight mass spectrometer”,
19th International Mass Spectrometry Conference, Sept. 17th, 2012, Kyoto, Japan.

1.    K. Koyasu, T. Ohtaki, and F. Misaizu,
“Isomer separation with ion mobility spectrometry and dissociation of the selected isomers in gas phase”, New Horizons of Cluster Chemistry, Oct. 9th, 2012, Kobe, Japan.

ページの先頭へ

Hot Topic Talks

5.     K. Koyasu, F. Misaizu, and T. Tsukuda,
"Size evolutions of specific structures of metal clusters generated in the gas phase",
Symposium on Size Selected Clusters 2020, Feb. 25th, 2020, Davos, Switzerland.

4.     K. Koyasu and T. Tsukuda,
“Activation of CO2 through dissociative adsorption on cobalt cluster anions”,
The 18th International Symposium on Small Particles and Inorganic Clusters (ISSPI18), Aug. 15th, 2016, Jyväskylä, Finland.

3.     K. Koyasu and T. Tsukuda,
“A new structural model for Al23 magic cluster: A faceface-sharing bi-icosahedral motif”,
The 7th International Symposium on Surface Science (ISSS7), Nov. 4th, 2014, Matsue, Japan.

2.    K. Koyasu, T. Ohtaki, and F. Misaizu,
“Temperature dependence of oxidation reactions of isomer-separated carbon cluster cations”,
Molecular & Ionic Clusters, Gordon Research Conference, Feb. 2nd, 2012, Ventura, USA.

1.    K. Koyasu, T. Ohtaki, and F. Misaizu,
“Isomer-specific reactivity of small carbon cluster cations”,
21st International Conference on Ion Mobility Spectrometry, Sep. 28th, 2011, Edinburgh, Scotland.

ページの先頭へ

特許出願

1.    塚本 恵三, 美齊津 文典, 小安 喜一郎, 他
「TOF質量分析によるHIPIMSスパッタ源のプラズマ解析方法およびその装置」, 特願 2010–243309.

ページの先頭へ