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NEW !
Effect of molecular intercalation on the local structure of superconducting Nax(NH3)yMoSe2 system
L. Simonelli⁠, E. Paris⁠, T. Wakita⁠ , C. Marini⁠, K. Terashima⁠, X. Miao⁠, W. Olszewski⁠⁠, N. Ramanan⁠, D. Heinis⁠, Y. Kubozono⁠, T. Yokoya⁠, N. L. Saini⁠
J. Phys. Chem. Solid in press (2017).

NEW !
Difference in gating and doping effects on a band gap of bilayer graphene
Takaki Uchiyama, Hidenori Goto, Hidehiko Akiyoshi, Ritsuko Eguchi, Takao Nishikawa, Hiroshi Osada, Yoshihiro Kubozono
Sci. Rep.,7,11322 (2017).

Preparation and characterization of a new graphite superconductor: Ca0.5Sr0.5C6
Saki Nishiyama, Hidenori Fujita, Masatoshi Hoshi, Xiao Miao, Takahiro Terao, Xiaofan Yang, Takafumi Miyazaki, Hidenori Goto, Tomoko Kagayama, Katsuya Shimizu, Hitoshi Yamaoka, Hirofumi Ishii, Yen-Fa Liao and Yoshihiro Kubozono
Sci. Rep., 7, 7436 (2017).

High Performance of Carbazolocarbazole-based Organic Thin-Film and Single-Crystal Field-Effect Transistors
Miriam Má s-Montoya, José Pedro Cerón-Carrasco, Shino Hamao, Ritsuko Eguchi, Yoshihiro Kubozono, Alberto Tárraga and David Curiel
J. Materials Chemistry C, in press

Preparation of new superconductors by metal doping of two-dimensional layered materials using ethylenediamine
Xiao Miao, Takahiro Terao, Xiaofan Yang, Saki Nishiyama, Takafumi Miyazaki, Hidenori Goto, Yoshihiro Iwasa, Yoshihiro Kubozono
Phys. Rev. B, 96, 014502 (2017).

Transistor Properties of Exfoliated Single Crystals of 2H-Mo(Se1-xTex)2(0≦x≦1)
Eri Uesugi, Xiao Miao, Hiromi Ota, Hidenori Goto & Yoshihiro Kubozono
Phys. Rev. B 95, 245310 (2017) DOI:https://doi.org/10.1103/PhysRevB.95.245310.



Electrostatic electron-doping yields superconductivity in LaOBiS2
Eri Uesugi, Saki Nishiyama, Hidenori Goto, Hiromi Ota & Yoshihiro Kubozono,
Appl. Phys. Lett. 109, 252601 (2016); doi: 10.1063/1.4972400.

Transistor Properties of 2,7-Dialkyl-Substituted Phenanthro[2,1-b:7,8-b']dithiophene
Y. Kubozono, K. Hyodo, S. Hamao, Y. Shimo, H. Mori, and Y. Nishihara,
Sci. Rep., 6, 38535 (2016) DOI:10.1038/srep38535.

Superconductivity in (NH3)yNaxFeSe0.5Te0.5
Lu Zheng, Yusuke Sakai, Xiao Miao, Saki Nishiyama, Takahiro Terao, Ritsuko Eguchi, Hidenori Goto, Yoshihiro Kubozono,
Phys. Rev. B 94, 174505 (2016) DOI:https://doi.org/10.1103/PhysRevB.94.174505. 

Photoelectron Holographic Atomic Arrangement Imaging of Cleaved Bimetal-intercalated Graphite Superconductor Surface
Fumihiko Matsui, Ritsuko Eguchi, Saki Nishiyama, Masanari Izumi, Eri Uesugi, Hidenori Goto, Tomohiro Matsushita, Kenji Sugita, Hiroshi Daimon, Yuji Hamamoto, Ikutaro Hamada, Yoshitada Morikawa, Yoshihiro Kubozono,
Sci. Rep., 6, 36258 (2016) DOI: 10.1038/srep36258. 

Chemical analysis of superconducting phase in K-doped picene
Takashi Kambe, Saki Nishiyama, Huyen L. T. Nguyen, Takahiro Terao, Masanari Izumi, Yusuke Sakai, Lu Zheng, Hidenori Goto, Taiki Onji, Tatsuo C. Kobayashi, Hisako Sugino, Shin Gohda, Hideki Okamoto, Yoshihiro Kubozono,
J. Phsyics: condensed matter, 28(44), 444001, (2016) DOI: 10.1088/0953-8984/28/44/444001.

Emergence of superconduvtivity in (NH3)yMxMoSe2 ( M: Li, Na and K )
Xiao Miao, Saki Nishiyama, Lu Zheng, Hidenori Goto, Eitsuko Eguchi, Hiromi Ota, Takashi Kambe, Kensei Terashima, Takayoshi Yokoya, Hiyen T. L. Nguyen, Tomoko Kagayama, Naohisa Hirao, Yasuo Ohishi, Hirofumi Ishii, Yen-Fa Liao and Yoshihiro Kubozono,
Scientific Reports, 6, 29292 (2016) DOI: 10.1038/srep29292.

Recent progress on carbon-based superconductors
Yoshihiro Kubozono; Ritsuko Eguchi; Hidenori Goto; Shino Hamao; Takashi Kambe; Takahiro Terao; Saki Nishiyama; Lu Zheng; Xiao Miao; Hideki Okamoto,
J. Phys: cond. matter. 28 334001 (2016).

Correlation of superconductivity with crystal structure in (NH3)yCsxFeSe
Lu Zheng, Xiao Miao, Yusuke Sakai, Hidenori Goto, Eri Uesugi, Ritsuko Eguchi, Saki Nishiyama, Kunihisa Sugimoto, Akihiko Fujiwara and Yoshihiro Kubozono,
Phys. Rev. B, 93, 104508 (2016).

Fabrication of new superconducting materials, CaxK1-xCy (0 < x < 1)
Huyen T. L. Nguyen, Saki Nishiyama, Masanari Izumi, Lu Zheng, Xiao Miao,Yusuke Sakai, Hidenori Goto, Naohisa Hirao, Yasuo Ohishi, Tomoko Kagayama, Katsuya Shimizu, and Yoshihiro Kubozono,
Carbon, 100, 641 (2016). DOI:10.1016/j.carbon.2016.01.071.

Synthesis and transistor application of the extremely extended phenacene molecule, [9]phenacene
Yuma Shimo, Takahiro Mikami, Shino Hamao, Hidenori Goto, Hideki Okamoto, Ritsuko Eguchi, Shin Gohda, Yasuhiko Hayashi, Yoshihiro Kubozono,
Scientific Reports, 6, 21008 (2016). DOI:10.1038/srep21008

A new way to synthesize superconducting metal-intercalated C60 and FeSe
Yuuki Takahei, Keitaro Tomita, Yugo Itoh, Keishi Ashida, Ji-Hyun Lee, Naoki Nishimoto, Takumi Kimura, Kazutaka Kudo, Minoru Nohara, Yoshihiro Kubozono, Takashi Kambe,
Scientific Reports, 6, 18931 (2016). DOI:10.1038/srep18931.



Thickness and substrate dependent thin films growth of picene and impact on the electronic structure
Takuya Hosokai, Alexander Hinderhofer, Fabio Bussolotti, Keiichirou Yonezawa, Christopher Lorch, Alexei Vorobiev,
Yuri Hasegawa, Yoichi Yamada, Yoshihiro Kubozono, Alexander Gerlach, Satoshi Kera, Frank Schreiber, and Nobuo Ueno
J.Phys. Chem. C, 119, 29027-29037 (2015). DOI:10.1021/acs.jpcc.5b10453

Emergence of multiple superconducting phases in (NH3)yMxFeSe (M: Na and Li)
L. Zheng, X. Miao, Y. Sakai, M. Izumi, H. Goto, S. Nishiyama, E. Uesugi, Y. Kasahara, Y. Iwasa and Y. Kubozono,
Scientific Reports, 5, 12774 (2015).


1D and 2D Bi compounds in field-effect transistors
Eri Uesugi, Saki Nishiyama, Hidehiko Akiyoshi, Hidenori Goto, Yoji Koike, Kazuyoshi Yamada, and Yoshihiro Kubozono,
Advanced Electronic Materials, 1, 1500085-1-5, (2015).


Transistors fabricated using the single crystals of [8]phenacene
Yuma Shimo, Takahiro Mikami, Hiroto T. Murakami, Shino Hamao, Hidenori Goto, Hideki Okamoto, Shin Gohda,
Kaori Sato, Antonio Cassinese, Yasuhiko Hayashi, and Yoshihiro Kubozono, J. Mater. Chem. C, 3, 7370-7378 (2015).


Carrier Accumulation in Graphene with Electron Donor/Acceptor Molecules
H. Akiyoshi, H. Goto, E. Uesugi, R. Eguchi, Y. Yoshida, G. Saito, Y. Kubozono, Advanced Electronic Materials, 1, 1500073 (2015).
DOI: 10.1002/aelm.201500073.



Emergence of double-dome superconductivity in ammoniated metal-doped FeSe
Masanari Izumi, Lu Zheng, Yusuke Sakai, Hidenori Goto, Masafumi Sakata, Yuki Nakamoto, Huyen L. T. Nguyen, Tomoko Kagayama, Katsuya Shimizu, Shingo Araki, Tatsuo C. Kobayashi, Takashi Kambe, Dachun Gu, Jing Guo, Jing Liu, Yanchun Li, Liling Sun, Kosmas Prassides, and Yoshihiro Kubozono, Scientific reports, 5, 9477 (2015). DOI: 10.1038/srep09477


鉄カルコゲナイド物質の華麗な超伝導―超伝導研究をリードする化学
久保園 芳博, 化学 70, 64(2015)


Superconductivity in aromatic hydrocarbons
Yoshihiro Kubozono, Hidenori Goto, Taihei Jabuchi, Takayoshi Yokoya, Takashi Kambe, Yusuke Sakai, Masanari Izumi, Lu Zheng, Shino Hamao, Huyen L. T. Nguyen, Masafumi Sakata, Tomoko Kagayama and Katsuya Shimizu, Physica C (2015), doi: http://dx.doi.org/10.1016/j.physc.2015.02.015



Transition Metal-Catalyzed Facile Access to 3,11-Dialkylfulminenes for Transistor Application
Masahito Murai, Hiroyuki Maekawa, Shino Hamao, Yoshihiro Kubozono, David Roy, and Kazuhiko Takai, Org. Lett. 17, 708, 10.1021/ol503723j (2015).



Transistor application of new picene-type molecules, 2,9-dialkylated phenanthro[1,2-b:8,7-b']dithiophenes
Yoshihiro Kubozono, Keita Hyodo, Hiroki Mori, Shino Hamao, Hidenori Goto and Yasushi Nishihara, J. Mater. Chem. C 3, 2413, DOI: 10.1039/c4tc02413c (2015).




Isotropic Three-Dimensional Molecular Conductor Based on the Coronene Radical Cation
Yukihiro Yoshida, Mitsuhiko Maesato, Yoshihide Kumagai, Motohiro Mizuno, Kazuhide Isomura, Hideo Kishida, Masanari Izumi, Yoshihiro Kubozono, Akihiro Otsuka, Hideki Yamochi, Gunzi Saito, Kaplan Kirakci, Stephane Cordier, and Christiane Perrin, Euro. J. Inorganic Chem. 2014, 3871, DOI:10.1002/ejic.201400119 (2014).



Dynamics of Carrier Injection in Picene Thin-Film Field-effect Transistors with an Ionic Liquid Sheet and Ionic Liquid Gel
Yuya Nagasaki, Ji-Hyun Lee, Yoshihiro Kubozono and Takashi Kambe, Organic Electronics, 15, 3070(2014).



Extended Phenacene-type Molecule, [8]phenacene: Synthesis and Transistor Application
Hideki Okamoto, Ritsuko Eguchi, Shino Hamao, Hidenori, Goto, Kazuma Gotoh, Yusuke Sakai, Masanari Izumi, Yutaka Takaguchi, Shin Gohda, Yoshihiro Kubozono, Scientific Reports 4, 5330; DOI:10.1038/srep05330 (2014).



Efficient Synthetic photocyclization for phenacenes using a continuous flow reactor
H. Okamoto, T. Takane, S. Gohda, Y. kubozono, K. Sato, M. Yamaji, K. Satake, Chem. Lett. 43, 994-996 (2014).



Synthesis of methoxy-substituted picenes: Substitution position effect on their electronic and single-crystal structures
H. Mori, X.-C. Chen, N. H. Chang, S. Hamao, Y. Kubozono, K. Nakajima, Y. Nishihara, J. Org. Chem. in press.



Transistor application of alkyl-substituted picene
H. Okamoto, S. Hamao, H. Goto, Y. Sakai, M. Izumi, S. Gohda, Y. Kubzoono, R. Eguchi, Scientific Reports 4, 5048; DOI:10.1038/srep05048 (2014).



Transistor application of phenacene molecules and their characteristics
Y. Kubozono, X. He, Hamao, K. Teranishi, H. Goto, R. Eguchi, T. Kambe, S. Gohda, Y. Nishihara, European J. Inorganic Chemistry (Micro-review), 3806. DOI: 10.1002/ejic.201490121 (2014).



Superconducting phases in (NH3)yMxFeSe1-zTez (M=Li, Na, and Ca)
Yusuke Sakai, Lu Zheng, Masanari Izumi, Kazuya Teranishi, Ritsuko Eguchi, Hidenori Goto, Taiki Onji, Shingo Araki, Tatsuo C. Kobayashi, and Yoshihiro Kubozono, Phys. Rev. B, (2014).



Systematic Control of Hole-Injection Barrier Height With Electron Acceptors in [7]phenacene Single-Crystal Field-Effect Transistors
X. He, S. Hamao, R. Eguchi, H. Goto, H. Yoshida, G. Saito and Y. Kubzoono,J. Phys. Chem. C, 118, 5284-5293 (2014).




Fabrication of high performance / highly functional field-effect transistor devices based on [6]phenacene thin films
Ritsuko Eguchi, Xuexia He, Shino Hamao, Hidenori Goto, Hideki Okamoto, Shin Gohda, Kaori Sato and Yoshihiro Kubozono, Physical Chemistry Chemical Physics, 15, 20611-20617 (2013).



Parity Effects in Few-Layer Graphene
Hidenori Goto, Eri Uesugi, Ritsuko Eguchi, and Yoshihiro Kubozono, Nano Lett. 13, 5153-5158 (2013).



Superconductivity in (NH3)yCs0.4FeSe
Lu Zheng, Masanari Izumi, Yusuke Sakai, Ritsuko Eguchi, Hidenori Goto, Yasuhiro Takabayashi, Takashi Kambe, Taiki Onji, Shingo Araki, Tatsuo C. Kobayashi, Jungeun Kim, Akihiko Fujiwara, and Yoshihiro Kubozono, Phys. Rev. B, 88, 094521 (2013).



Phenanthro[1,2-b:8,7-b']dithiophene: A New Picene-type Molecule for Transistor Applications
Yasushi Nishihara, Megumi Kinoshita, Keita Hyodo, Yasuhiro Okuda, Ritsuko Eguchi, Hidenori Goto, Shino Hamao, Yasuhiro Takabayashi, and Yoshihiro Kubozono, RSC Advances, 3, 19341 (2013).



Antiferromagnetic resonance in the Mott insulator fcc-Cs3C60
Y. Suzuki, S. Shibasaki, Y. Kubozono, and T. Kambe, J. Phys.: Condens. Matter, 25, 366001 (2013).



Fabrication of single crystal field-effect transistors with phenacene-type molecules and their excellent transistor characteristics
Xuexia He, Ritsuko Eguchi, Hidenori Goto, Eri Uesugi, Shino Hamao, Yasuhiro Takabayashi, and Yoshihiro Kubozono, Organic Electronics, 14, 1673 (2013).



Electric double-layer capacitance between an ionic liquid and few-layer graphene
Eri Uesugi, Hidenori Goto, Ritsuko Eguchi, Akihiko Fujiwara, and Yoshihiro Kubozono, Sci. Rep. 3, 1595; DOI:10.1038/srep01595 (2013).



Electric-Double-Layer Transistors with Thin Crystals of FeSe1-xTex (x = 0.9 and 1.0)
R. Eguchi, M. Senda, E. Uesugi, H. Goto, T. Kambe, T. Noji, Y. Koike, A. Fujiwara, and Y. Kubozono, Applied Physics Letters, 102, 103506 (2013).



Edge-Dependent Transport Properties in Graphene
Hidenori Goto, Eri Uesugi, Ritsuko Eguchi, Akihiko Fujiwara, and Yoshihiro Kubozono, Nano Lett., 13, 1126 (2013).



Observation of zero resistivity in K-doped picene
Kazuya Teranishi, Xuexia He, Yusuke Sakai, Masanari Izumi, Hidenori Goto, Ritsuko Eguchi, Yasuhiro Takabayashi, Takashi Kambe, and Yoshihiro Kubozono, Phys. Rev. B 87, 060505(R) (2013).
HIGHLIGHTED ARTICLE


Correlation between energy level alignment and device performance in planar heterojunction organic photovoltaics
Kouki Akaike and Yoshihiro Kubozono, Organic Electronics, 14, 1 (2013).



Quantifying covalency and metallicity in correlated compounds undergoing metal-insulator transitions
Ashish Chainani, Ayako Yamamoto, Masaharu Matsunami, Ritsuko Eguchi, Munetaka Taguchi, Yasutaka Takata, Hidenori Takagi, Shik Shin, Yoshinori Nishino, Makina Yabashi, Kenji Tamasaku, and Tetsuya Ishikawa, Phys. Rev. B 87, 045108 (2013).



Photoemission Evidence for Valence Fluctuations and Kondo Resonance in YbAl2
Masaharu Matsunami, Ashish Chainani, Munetaka Taguchi, Ritsuko Eguchi, Yasutaka Takata, Masaki Oura, Makina Yabashi, Kenji Tamasaku, Yoshinori Nishino, Tetsuya Ishikawa, Masashi Kosaka, and Shik Shin, Journal of the Physical Society of Japan 81, 073702 (2012).


O2-exposure and light-irradiation properties of picene thin film field-effect transistor: a new way toward O2 gas sensor
Yasuyuki Sugawara, Keiko Ogawa, Hidenori Goto, Shuhei Oikawa, Kouki Akaike, Noriko Komura, Ritsuko Eguchi, Yumiko Kaji, Shin Gohda, and Yoshihiro Kubozono,
Sensors and Actuators B: Chemical 171-172, 544 (2012).

Synthesis and physical properties of metal-doped picene solids
Takashi Kambe, Xuexia He, Yosuke Takahashi, Yusuke Yamanari, Kazuya Teranishi, Hiroki Mitamura, Seizi Shibasaki, Keitaro Tomita, Ritsuko Eguchi, Hidenori Goto, Yasuhiro Takabayashi, Takashi Kato, Akihiko Fujiwara, Toshikaze Kariyado, Hideo Aoki, and Yoshihiro Kubozono, Phys. Rev. B 86, 214507 (2012).
HIGHLIGHTED ARTICLE

In-situ structural characterization of picene thin films by X-ray scattering: Vacuum versus O2 atmosphere
T. Hosokai, A. Hinderhofer, A. Vorobiev, C. Lorch, T. Watanabe, T. Koganezawa, A. Gerlach, N. Yoshimoto, Y. Kubozono, and F. Schreiber,
Chem. Phys. Lett. 544, 34 (2012).

Optimizing Picene Molecular Assembling by Supersonic Molecular, Beam Deposition
Stefano Gottardi, Tullio Toccoli, Salvatore Iannotta, Paolo Bettotti, Antonio Cassinese, Mario Barra, Laura Ricciotti, and Yoshihiro Kubozono, J. Phys. Chem. C 116, 24503 (2012).


Characteristics of [6]phenacene thin film field-effect transistor
Noriko Komura, Hidenori Goto, Xuexia He, Hiroki Mitamura, Ritsuko Eguchi, Yumiko Kaji, Hideki Okamoto, Yasuyuki Sugawara, Shin Gohda, Kaori Sato, and Yoshihiro Kubozono, Appl. Phys. Lett. 101, 083301 (2012).

Characteristics of Single Crystal Field-Effect Transistors with a New Type of Aromatic Hydrocarbon, Picene
Nobuyuki Kawai, Ritsuko Eguchi, Hidenori Goto, Kouki Akaike, Yumiko Kaji, Takashi Kambe, Akihiko Fujiwara, and Yoshihiro Kubozono,
J. Phys. Chem. C 116, 7983 (2012)

Accessing Surface Brillouin Zone and Band Structire of Picene Single Crystals
Qian Xin, Steffen Duhm, Fabio Bussolotti, Kouki Akaike, Yoshihiro Kubozono, Hideo Aoki, Taichi Kosugi, Satoshi Kera, and Nobuo Ueno,
Phys. Rev. Lett. 108, 226401 (2012).


Characteristics of conjugated hydrocarbon based thin film transistor with ionic liquid gate
Yumiko Kaji, Keiko Ogawa, Ritsuko Eguchi, Hidenori Goto, Yasuyuki Sugawara, Takashi Kambe, Koki Akaike, Shin Gohda, Akihiko Fujiwara, Yoshihiro Kubozono,
Organic Electronics, 12, 2076(2011)

Metal-intercalated aromatic hydrocarbons: a new class of carbon-based superconductors
Y. Kubozono, H. Mitamura, X. Lee, X. He, Y. Yamanari, H. takahashi, Y. Suzuki, Y. Kaji, R. Eguchi, K. Akaike, T. Kambe, H. Okamoto, A. Fujiwara, T. Kato, T. Kosugi, H. Aoki, Phys. Chem. Chem. Phys. (Perspective article) 13, 16476 (2011).

Strong intramolecular electron-phonon coupling in negatively charged aromatic superconductor picene
T. Kato, T. Kambe, Y. Kubozono, Phys. Rev. Lett. 107, 077001 (2011).

アルカリ金属ドープC22H14超伝導体
応用物理学会誌, 80, 411 (2011)

有機分子性固体における電界効果キャリア注入と物性制御

表面科学, 32, 27 (2011)

Facile synthesis of picene from 1,2-di(1-naphthyl)ethane by 9-fluorenone-sensitized photolysis

Hideki Okamoto, Minoru Yamaji, Shin Gohda, Yoshihiro Kubozono, Noriko Kumiko, Kaori Sato, Hisako Sugino, Kyosuke Satake, Organic Lett. 13, 2758 (2011)

Electronic phase transition of valence fluctuating fulleride Eu2.75C60

Yusuke Yamanari, Yuta Suzuki, Kumiko Imai, Eiji Shikoh, Akihiko Fujiwara, Naoko Kawasaki, Naoshi Ikeda, Yoshihiro Kubozono, Takashi Kambe, Phys. Rev.B 83, 245103 (2011).

Charge-Transfer Satellite in Ce@C82 Probed by Resonant X-ray Emission Spectroscopy

Hitoshi Yamaoka, Akio Kotani, Yoshihiro Kubozono, Aurel Mihai Vlaici, Hirofumi Oohashi, Tatsuki Tochio, Yoshiaki Ito, and Hideki Yoshikawa, J. Phys. Soc. Jpn. 80. 014702 (2011)

Characteristics of field-effect transistors using the one-dimensional extended hydrocarbon [7]phenacene

Yasuyuki Sugawara, Yumiko Kaji, Keiko Ogawa, Ritsuko Eguchi,Shohei Oikawa,Hiroyuki Gohda,Akihiko Fujiwara, Yoshihiro Kubozono, Applied Physics Letters, 98, 013303 (2011).


Kondo resonance in PrTi2Al20: Photoemission spectroscopy and single-impurity Anderson model calculations
M. Matsunami, M. Taguchi, A. Chainani, R. Eguchi, M. Oura, A. Sakai, S. Nakatsuji, S. Shin, Phys. Rev. B 84, 193101 (2011).


Electronic structure of an antiferromagnetic metal: CaCrO3
P. A. Bhobe, A. Chainani, M. Taguchi, R. Eguchi, M. Matsunami, T. Ohtsuki, K. Ishizaka, M. Okawa, M. Oura, Y. Senba, H. Ohashi, M. Isobe, Y. Ueda, and S. Shin, Phys. Rev. B 83, 165132 (2011).


Electronic structure of YbGa1.15Si0.85 and YbGaxGe2-x probed by resonant x-ray emission and photoelectron spectroscopies
H. Yamaoka, I. Jarrige, N. Tsujii, M. Imai, J.-F. Lin, M. Matsunami, R. Eguchi, M. Arita, K. Shimada, H. Namatame, M. Taniguchi, M. Taguchi, Y. Senba, H. Ohashi, N. Hiraoka, H. Ishii, and K.-D. Tsuei, Phys. Rev. B 83, 104525 (2011).


Spectroscopic evidence of the formation of (V,Ti)O2 solid solution in VO2 thinner films grown on TiO2(001) substrates
Y. Muraoka, K. Saeki, R. Eguchi, T. Wakita, M. Hirai, T. Yokoya, and S. Shin, J. of Appl. Phys. 109, 043702 (2011).


Femtosecond core-level photoemision spectroscopy on 1T-TaS2 using a 60-eV laser source
K. Ishizaka, T. Kiss, T. Yamamoto, Y. Ishida, T. Saitoh, M. Matsunami, R. Eguchi, T. Ohtsuki, A. Kosuge, T. Kanai, M. Nohara, H. Takagi, S. Watanabe, and S. Shin, Phys. Rev. B 83, 081104 (2011).


Role of Ti 3d Carriers in Mediating the Ferromagnetism of Co:TiO2 Anatase Thin Films
T. Ohtsuki, A. Chainani, R. Eguchi, M. Matsunami, Y. Takata, M. Taguchi, Y. Nishino, K. Tamasaku, M. Yabashi, T. Ishikawa, M. Oura, Y. Senba, H. Ohashi, and S. Shin, Phys. Rev. Lett. 106, 047602 (2011).


Introducing Nonuniform Strain to Graphene Using Dielectric Nanopillars
H. Tomori, A. Kanda, H. Goto, Y. Ootuka, K. Tsukagoshi, S. Moriyama, E. Watanabe, D. Tsuya, Appl. Phys. Express 4, 075102 (2011).



芳香族有機分子を使うエレクトロニクスと超伝導物性

表面, 48, 190 (2010)

Electronic structure of picene and K-doped soild picene: Nonrigid band change and its implication for electron-intramolecular-vibration interaction
H. Okazaki, T. Wakita, T. Muro, Y. Kaji, X. Lee, H. Mitamura, N. Kawasaki, Y. Kubozono, Y. Yamanari, T. Kambe, T. Kato, M. Hirai, Y. Muraoka, T. Yokoya, Phys. Rev. B 82, 195114 (2010)

Unoccupied states in copper phthalocyanine/fullerene blended films determined by inverse
photoemission spectroscopy

Kouki Akaike, Andereas Opitz, Julia Wagner, Wolfgang Brutting, Kaname Kanai, Yukio Ouchi, Kazuhiko Seki Organic Electronics, Volume 11 page 1853-1857 (2010)

Absence of nesting in the charge-density-wave system 1T-VS2 as seen by photoelectron spectroscopy

M. Mulazzi, A. Chainani, N. Katayama, R. Eguchi, M. Matsunami, H. Ohashi, Y. Senba,M. Nohara, M. Uchida,
H. Takagi, and S. Shin. Physical Review B 82, 075130 (2010)

Angle-resolved photoemission spectroscopy for VO2thin films grown on TiO2 (001) substrates

Y. Muraoka, K. Saeki, Y. Yao, T. Wakita, M. Hirai, T. Yokoya, R. Eguchi, and S. Shin.
Journal of Electron Spectroscopy and Related Phenomena 181, 249-251 (2010)

Electronic structure of SrRu1-xMnxO3 studied by photoemission and x-ray absorption spectroscopy

K. Horiba, H. Kawanaka, Y. Aiura, T. Saitoh, C. Satoh, Y. Kikuchi, M. Yokoyama, Y. Nishihara,
R. Eguchi, Y. Senba, H.Ohashi, Y. Kitajima, and S. Shin. Physical Review. B 81, 245127 (2010)

Evidence for a Correlated Insulator to Antiferromagnetic Metal Transition in CrN

P. A. Bhobe, A. Chainani, M. Taguchi, T. Takeuchi, R. Eguchi, M. Matsunami, K. Ishizaka, Y. Takata, M.Oura, Y. Senba, H. Ohashi, Y. Nishino, M. Yabashi, K. Tamasaku, T. Ishikawa, K. Takenaka, H. Takagi, and S. Shin. Physical Review Letters 104, 236404 (2010)

Strong Valence Fluctuation in the Quantum Critical Heavy Fermion Superconductor
beta-YbAlB4: A Hard X-Ray Photoemission Study

M. Okawa, M. Matsunami, K. Ishizaka, R. Eguchi, M. Taguchi, A. Chainani, Y. Takata, M. Yabashi, K. Tamasaku, Y. Nishino, T. Ishikawa, K. Kuga, N. Horie, S. Nakatsuji,and S.Shin. Physical Review Letters 104, 247201 (2010)

Quantitative analysis of O2 gas sensing characteristics of picene thin film field-effect
transistors

Xuesong Lee, Yasuyuki Sugawara, Akio ITo, Shuhei Oikawa, Naoko Kawasaki,Yumiko Kaji, Ryoji Mitsuhashi Hideki Okamoto,Akihiko Fujiwara, Kenji Omote, Takashi Kambe, Naoshi ikeda, Yoshihiro Kubozono, Organic Electronics 11, 1394 (2010)

芳香族分子結晶ピセンにおける超伝導の発見      
久保園芳博,神戸高志, 岡本秀毅, 藤原明比古, 日本物理学会誌,65, 978 (2010)

ピセンの超伝導
   
久保園芳博,神戸高志, 藤原明比古, 固体物理, 45, 361 (2010)

ピセン超伝導のメカニズム: その物性化学とエレクトロニクス応用    
久保園芳博,神戸高志, 岡本秀毅, 藤原明比古, 化学. 65, 52 (2010)

Impact of Ground-State Charge Transfer and Polarization Energy Change on Energy Band
Offsets at Donor/Acceptor Interface in Organic Photovoltaics

K. Akaike, K. Kanai, Y. Ouchi and K. Seki Adv. Funct. Mater. 20, 715-721 (2010)

Anomalous hysteresis in organic field-effect transistors with SAM-modified electrodes

: Structural switching of SAMs by electric field
R. Nouchi and Y. Kubozono, Organic Electronics, 11, 1025 (2010)

有機芳香族分子とフラーレン分子の接合による太陽電池開発

久保園芳博,化学工業,61,89  - 96 (2010)

Superconductivity in alkali-metal-doped picene
Ryoji Mitsuhashi, Yuta Suzuki, Yusuke Yamanari, Hiroki Mitamura, Takashi Kambe, Naoshi Ikeda, Hideki Okamoto,
Akihiko Fujiwara, Minoru Yamaji, Naoko Kawasaki, Yutaka Maniwa & Yoshihiro Kubozono, Nature 464, 76 (2010)


Flexible picene thin film field-effect transistor with parylene gate dielectric and its physical
properties

Naoko Kawasaki, Wolfgang L. Kalb, Thomas Mathis,Yumiko Kaji,Ryoji Mitsuhashi, Hideki Okamoto,
Yasuyuki Sugawara, Akihiko Fujiwara, Yoshihiro Kubozono, Bertram Batlogg, Appl. Phys. Lett. 96, 113305 (2010)


Low voltage operation in picene thin film field-effect transistor and its physical characteristics

Y. Kaji, N. Kawasaki, X. Lee, H. Okamoto, Y. Sugawara, S. Oikawa, A. Ito, H. Okazaki, T. Yokoya, A. Fujiwara, Y. Kubozono, Appl. Phys. Lett. 95, 183302 (2009)


Charge transfer satellite in Pr@C_82 metallofullerene observed using resonant x-ray emission
spectroscopy

H. Yamaoka, H. Sugiyama,Y. Kubozono. A. Kotani, R. Nouchi,A. M. Vlaicu, H. Oohashi, T. Tochio, Y. Ito, and H. Yoshikawa, Phys. Rev. B 80, 205403 (2009)


C70 close-packed surface and single molecule void-formation by local electric field through a scanning tunneling microscope tip

Yohei Ohta, Ryoji Mitsuhashi, Rhyo Nouchi, Akihiko Fujiwara, Shojun Hino, Yoshihiro Kubozono, Appl. Phys. Lett. 94, 043107 (2009)

High performance C60 and picene field-effect transistors with conducting polymer electrodes in
bottom contact structure

Yumiko Kaji, Naoko Kawasaki, Xuesong Lee, Hideki Okamoto, Takashi Kambe, Naoshi Ikeda, Akihiko Fujiwra, Minoru Yamaji, Kenji Omote, Yoshihiro Kubozono, Organic Electronics, 10, 432 (2009)

Trap states and transport characteristics in picene thin film field-effect transistor

Naoko Kawasaki, Yoshihiro Kubozono, Hideki Okamoto, Akihiko Fujiwara, Minoru Yamaji, Appl. Phys. Lett. 94, 043310 (2009)


Photoemission study of electronic structures of fullerene and metallofullerene peapods

Y. Nakayama, S. Fujiki, Y. Hirado, H. Shiozawa, H. Ishii, T. Miyahara, Y. Maniwa, T. Kodama, Y. Achiba, H. Kataura, Y. Kuboaono, M. Nakatake, T. Saitoh, phys. stat. soli. (b) 245, 2025 (2008)

Air-assisted High perf
ormance field-effect transistors with thin films of picene

Hideki Okamoto, Naoko Kawasaki, Yumiko Kaji, Yoshihiro Kubozono, Akihiko Fujiwara, Minoru Yamaji, J. Am. Chem. Soc. 130, 10470 (2008)

An investigation of correlation between transport characteristics and trap states in n-channel organic field-effect transistors

N. Kawasaki, Y. Ohta, Y Kubozono, A. Fujiwara, Appl. Phys. Lett. 92, 163307 (2008)

Transport properties in C60 field-effect transistor with a single Schottky barrier

Yohei Ohta, Yoshihiro Kubozono, Akihiko Fujiwara, Appl. Phys. Lett. 92, 173302 (2008)



High-performance C60 thin-film field-effect transistors with parylene gate insulator

Yoshihiro Kubozono, Simon Haas, Wolfgang Kalb, Perre Joris, Fabian Meng, Akihiko Fujiwara, Bertram Batlogg, Appl. Phys Lett. 93. 033316 (2008)


Potential barriers to electron carriers in C60 field-effect transistors

Atsushi Konishi, Eiji Shikoh, Yoshihir Kubozono, Akihiko Fujiwara, Appl. Phys. Lett. 92, 173306 (2008)


Ther 4d - 4f dipole resonance of the Pr atom in an endohedral metallofullerene, Pr@C82

H. Katayanagi, B. P. Kafle, J. Kou, T. Mori, K. Mitsuke, Y. Takabayashi, E. Kuwahara, Y. Kubozono, J. Quantitative Spec. Rad. Transfer, 109, 1590 (2008)


走査トンネル顕微鏡によるフラーレンのマニピュレーション

久保園芳博. 固体物理, 43, 9 (2008)


STM探針からのキャリア注入によるC60のポリマー/モノマー化に関する研究

久保園芳博. 表面科学, 28, 659 (2007)


Transport properties of field-effect transistor with Langmuir-Blodgett films of C60 dendrimer and estimation of impurity levels

N. Kawasaki, T. Nagano, Y Kubozono, S. Sako. Y. Morimoto, Y. Takaguchi, A. Fujiwara, C.-C. Chu, T. Imae, Appl. Phys. Lett. 91, 243515 (2007)


The 4d-4f dipole resonance of the Pr atom in endohedral metallofullerene Pr@C82

H. Katayanagi, B. P. Kafle, I. Mori, K. Mitsuke, Y. Takabayashi, E. Kuwahara, Y. Kubozono, J. Quantitative Spectrroscopy and Radiative Transport, in press (2007)


Transport properties of field-effect transistors with thin films of C76 and its electronic structure

Hiroyuki Sugiyama, Takayuki Nagano, Ryo Nouchi, Naoko Kawasaki, Yohei Ohta, Kumiko Imai, Michiko Tsutsui, Yoshihiro Kubozono, and Akihiko Fujiwara, 449, 160 (2007)


Hole-injection barrier in pentacene field-effect transistor with Au electrodes modified by C16H33SH

Naoko Kawasaki, Yohei Ohta, Yoshihiro Kubozono, and Akihiko Fujiwara, Appl. Phys. Lett. 91, 123518 (2007)


Relative partial cross sections for single, double and triple photoionization of C60 and C70

K. Mitsuke, H. Katayanagi, B. P. Kafle, C. Huang, H. Yagi, M. S. I. Prodhan, Y. Kubozono, J. Phys. Chem. A 111, 8336 (2007)

Output properties of C60 field-effect transistors with Au electrodes modified by 1-alkanethiols

T. Nagano, M. Tsutsui, R. Nouchi, N. Kawasaki, Y. Ohta, Y. Kubozono, N. Takahashi, and A. Fujiwara, J. Phys. Chem. C 111, 7211 (2007)


Output properties of C60 field-effect transistors with different source/drain electrodes

N. Takahashi, A. Maeda, K. Uno, E. Shikoh, Y. Yamamoto, H. Hori, Y. Kubozono, A. Fujiwara, Appl. Phys. Lett. 90, 083503 (2007)


Improvements of device charasteristics in random-network single-walled carbon nanotube transistors by using high-k gate insulators

M. Ohishi, K. Ochi, Y. Kubozono, H. Kataura, M. Shirasi, Appl. Phys. Lett. 89 (2006) 203505-1


Ring of C60 polymers formed by electron or hole injection from a scanning tunneling microscope tip

R. Nouchi, K. Masunari, T. Ohta, Y. Kubozono, and Y. Iwasa, Phys. Rev. Lett. 97 (2006) 196101-1


Fabrication of field-effect transistor devices with fullerene related materials

T. Nagano, H. Kusai, K. Ochi, T. Ohta, K. Imai, Y. Kubozono and A. Fujiwara, phys. stat. solidi (b) 243 (2006) 3021


Output properties of C60 field-effect transistor device with Eu source/drain electrodes

K. Ochi, T. Nagano, T. Ohta, R. Nouchi, Y. Kubozono, Y. Matsuoka, E. Shikoh, A. Fujiwara, Appl. Phys. Lett. 89, 083511 (2006)


フラーレン材料の電界効果トランジスタへの応用と展望

岩佐義宏,久保園芳博. 未来材料, 6, 24 (2006)


Variation of output properties of perylene field-effect transistors by work function of source/drain electrodes
T. Ohta, T. Nagano, K. Ochi, Y. Kubozono, E. Shikoh, and A. Fujiwara, Appl. Phys. Lett. 89 (2006) 053508


Fabrication of field-effect transistor devices with fullerodendron by solution process

H. Kusai, T. Nagano, K. Imai, Y. Kubozono,Y. Sako, Y. Takaguchi, A. Fujiwara, N. Akima, Y. Iwasa, S. Hino, Appl. Phys. Lett. 88 (2006) 173509


Field-effect transistors with thin films of perylene on SiO2 and polyimide gate insulators
T. Ohta, T. Nagano, K. Ochi, Y. Kubozono, A. Fujiwara, Appl. Phys. Lett. 88 (2006) 103506

Nanoscale patterning by manipulation of single C60 molecules with scanning tunneling microscope

Satoshi Fujiki, Kosuke Masunari, Ryo Nouchi, Hiroyuki Sugiyama, Yoshihiro Kubozono, Akihiko Fujiwara, Chem. Phys. Lett. 420 (2006) 82-85
Before 2005