主な研究成果
2017
- J. Yamada, H. Nishikawa,
“Design of Conducting and Superconducting Organic Molecules,”
Encyclopedia of Physical Organic Chemistry, Ed. Z. Wang, Assoc. Eds. U.
Wille, E. Juaristi, John Wily & Sons, Inc., Hoboken, New Jersey, Vol.
3, Chapter 41, 2133-2188 (2017).
- Y. Sagara, K. Kubo, T. Nakamura, N. Tamaoki, C. Weder,
"Unexpected Responses of Luminescent Molecular Materials Upon Simultaneous
Exposure to Mechanical Force and Heat,"
Chem. Mater. 29 (2017) 1273-1278.
- T. Kadoya, M. Otsuka, A. Ogino, S. Sato, T. Yokomatsu, K. Maenaka, J. Yamada,
H. Tajima,
"Estimation of Charge-Injection Barriers at the Metal/Pentacene Interface
Through Accumulated Charge Measurement,"
J. Phys. Chem. C. 121 (2017) 2882-2888.
- H. Alloul, P. Wzietek, T. Mito, D. Pontiroli, M. Aramini, M. Ricco, J.P.
Itie, and E. Elkaim,
"Mott transition in the A15 phase of Cs3C60: absence of pseudogap
and charge order,"
Phys. Rev. Lett. (2017) in press.
- H. Nakano and T. Sakai,
"Ferrimagnetism in the Spin-1/2 Heisenberg Antiferromagnet on a Distorted
Triangular Lattice,"
J. Phys. Soc. Jpn. 86 (2017) 063702(5pages).
2016
- Kiyoshi Ishikawa,
"Spin-polarized lithium diffusion in a glass hot-vapor cell,"
Appl. Phys. B 122 (2016) 224 (5 pages).
- A. A. Bardin, H. Akutsu, J. Yamada,
“New Family of Six Stable Metals with a Nearly Isotropic Triangular Lattice
of Organic Radical Cations and Diluted Paramagnetic System of Anions: κ(κ⊥)-(BDH-TTP)4MX4・Solv,
where M = CoII, MnII; X = Cl, Br, and Solv = (H2O)5, (CH2X2),”
Cryst. Growth. Des. 16 (2016) 1228-1246.
- Y. Ohshima, K. Kubo, T. Matsumoto, H. Ye, S. Noro, T. Akutagawa, T. Nakamura,
"One-dimensional supramolecular columnar structure of trans-syn- trans-dicyclohexano[18]
crown-6 and organic ammonium cations,"
CrystEngComm 18 (2016) 7959-7964.
- Y. Kiyota, T. Kadoya, K. Yamamoto, K. Iijima, T. Higashino, T. Kawamoto,
K. Takimiya, T. Mori,
"Benzothienobenzothiophene-Based Molecular Conductors: High Conductivity,
Large Thermoelectric Power Factor, and One-Dimensional Instability,"
J. Am. Chem. Soc. 138 (2016) 3920-3925.
【平成27年度 手島精一記念博士論文賞受賞(材料工学関係部門)(授与式:2016年2月23日)】
- K. Nishiyama, T. Mito, G. Pristas, T. Koyama, K. Ueda, T. Kohara, S. Gabani,
K. Flachbart, H. Fukazawa, Y. Kohori, N. Takeshita, N. Shitsevalova, and
H. Ikeda,
"High-pressure induced modifications in the hybridization gap of the intermediate-valence compound SmB6,"
Phys. Rev. B 93 (2016) 121111(R)(5pages).
- K. Okamoto, T. Tonegawa and T. Sakai,
"Ground-State Phase Diagram of the Bond-Alternating S = 2 Quantum Spin Chain with the XXZ and On-Site Anisotropies — Symmetry Protected Topological Phase versus
Trivial Phase —,"
J. Phys. Soc. Jpn. 85 (2016) 063704(4pages).
- M. Abe, H. Yamada, T. Okawara, M. Fujitsuka, T. Majima, and Y. Hisaeda,
“Covalently-Attached Porphycene-Ferrocene Dyads: Synthesis, Redox-Switched
Emission, and Observation of the Charge-Separated State"
Inorg. Chem. 55,(2016) 7(3pages).
- K. Tahara, T. Akita, S. Yabumoto, N. Terashita, S. Katao, J. Kikuchi
“Construction of hydrogen-bonded networks of 1',1'''-diboronic acids of
biferrocene and biferrocenium cation”
J. Organomet. Chem.805 (2016) 139(9pages).
2015
- H. Aizawa, K. Kuroki, J. Yamada,
"Enhancement of electron correlation due to
the molecular dimerization
in organic superconductors β-(BDA-TTP)2X (X = I3, SbF6),”
Phys. Rev. B 92 (2015) 155108 (8 pages).
- T. Kadoya, O. Pitayatanakul, T. Mori,
"Suppression of Access Resistance Using
Carbon Electrodes in Organic
Transistors Based on Alkyl-Substituted
Thienoacene,"
Org. Electron. 21, 106-110 (2015).
- K. Fujikura, H. Akutsu, J. Yamada, S. Nakatsuji, M. Satoh,
"Structures and
properties of diradical compounds containing disulfide
and nitroxide
groups,"
Synth. Met. 208, 17–20 (2015).
- K. Ishikawa,
``Spin-injection optical pumping of molten cesium salt and its NMR
diagnosis'',
AIP Advances 5 (2015) 077122 (13 pages).
- T. Koyama, T. Maruyama, K. Ueda, T. Mito, A. Mitsuda, M. Umeda, M. Sugishima,
and H. Wada,
"Zero-field NMR and NQR studies of magnetically ordered state in charge-ordered
EuPtP",
Phys. Rev. B 91 (2015) 094419(4pages).
- M. Kimata, D. Nozaki, Y. Niimi, H. Tajima, Y. Otani,
"Spin relaxation mechanism in a highly doped organic polymer film,"
Phys. Rev. B, 91 (2015) 224422 (6 pages)
- M. Abe, H. Futagawa, T. Ono, T. Yamada, N. Kimizuka, and Y. Hisaeda,
"An Electropolymerized Crystalline Film Incorporating Axially-Bound
Metalloporphycenes: Remarkable Reversibility, Reproducibility, and Coloration
Efficiency of Ruthenium(II/III)-Based Electrochromism,"
Inorg. Chem. 2015, published as ASAP. DOI: 10.1021/acs.inorgchem.5b02129.
- 小澤芳樹,
「励起状態のX線構造解析」
光アライアンス、2015年7月号 23-27 (2015).
- M. Mitsumi, K. Ezaki, Y. Komatsu, K. Toriumi, T. Miyatou, M. Mizuno, N. Azuma, Y. Miyazaki, M. Nakano, Y. Kitagawa, T. Hanashima, R. Kiyanagi, T. Ohhara, and K. Nakasuji ,
"Proton Order-Disorder Phenomena in a Hydrogen-Bonded Rhodium-η5-Semiquinone
Complex: A Possible Dielectric Response Mechanism,"
Chem. Eur. J. 2015, 21, 9682–9696.
- H. Kaneyasu, S. B. Etter, T. Sakai, M. Sigrist,
"Evolution of the filamentary 3-Kelvin phase in Pb-Ru-Sr2RuO4
Josephson junction,"
Phys. Rev. B 92
(2015) 134515(5pages).
- K. Toriumi, Y. Horimoto, T. Yamazaki, T. Inoue, A. Takazaki, D. Yamashita, H.
Yamanaka, M. Mitsumi, Y. Ozawa, C. Song, O. Sakata,
“Development of Grazing Incidence X-ray Single Crystal Structure Analysis of a
Surface-Shallow Layer,”
SPring-8/SACLA Research Reports, Vol. 3, Section A (2015).
- Akihisa Koizumi, Yasunori Kubo, Gaku Motoyama, Tomoo Yamamura, Masayoshi
Itou, and Yoshiharu Sakurai
"Visual understanding of the hidden-order transition in URu2Si2 by
high-resolution x-ray Compton scattering"
Phys. Rev. B 92(2015)125112(6pages).
- H. Nakano and T. Sakai,
"Magnetization Process of the Spin-S Kagome-Lattice Heisenberg Antiferromagnet,"
J. Phys. Soc. Jpn. 84 (2015) 063705(5pages).
2014
- K. Kobayashi, H. Satsukawa, J. Yamada, T. Terashima, S. Uji,
”Observation of Orbital Resonance Hall Effect in (TMTSF)2ClO4,"
Phys. Rev. Lett. 112 (2014)
116805 (5 pages).
- M. Nakagawa, H. Akutsu, J. Yamada, M. Karakawa, Y. Aso, S.
Nakatsuji,
“Photo-Responsive Naphthalenediimide Derivative Carrying A
Nitroxide and
An Azobenzene Group,"
Annals Acad. Romaian Sci. 1, 33–42
(2014).
- N. Hatayama, R. Konno, and Y. Takahashi,
"The Behavior of the Staggered
Magnetization in Weak Antiferromagnetic
Metals",
JPS Conf. Proc., 1 (2014)
012102
- 坂井徹,
「計算物理学」,
137ページ, 共立出版, 2014年10月
- K. Ishikawa,
``Hyperpolarized cesium ions doped in a glass material'',
J. Magn. Reson. 249 (2014) 94-99.
- T. Mito, K. Nishitani, T. Koyama, H. Muta, T. Maruyama, G. Prist??, K.
Ueda, T. Kohara, A. Mitsuda, M. Sugishima, and H. Wada,
"NMR studies of ordered structures and valence states in the successive
valence-transition system EuPtP",
Phys. Rev. B 90 (2014) 195106(6pages).
- T. Isono, H. Kamo, A. Ueda, K. Takahashi, M. Kimata, H. Tajima, S. Tsuchiya,
T. Terashima, S. Uji, H. Mori,
"Gapless quantum spin liquid in an organic spin-1/2 triangular-lattice k-H3(Cat-EDT-TTF)2,"
Phys. Rev. Lett. 112 (2014) 177201 (5 pages).
- H.-X. Zhang, Y. Sasaki, Y. Zhang, S. Ye, M. Osawa, M. Abe, and K. Uosaki,
"Synthesis and Properties of the Cyano Complex of Oxo-Centered Triruthenium
Core [Ru3(m3-O)(m-CH3COO)6(pyridine)2(CN)],"
Inorg. Chem. 2014, 53, 1288-1294.
- Z. Liu, Y. Ozawa, A. Yagasaki,
"Oligomeric Arylstibonates”,
Bull. Chem. Soc. Jpn., 87, 1245-1251 (2014).
- M. Mitsumi, T. Nishitani, S. Yamasaki, N. Shimada, Y. Komatsu, K. Toriumi,
Y. Kitagawa, M. Okumura, Y. Miyazaki, N. Gorska, A. Inaba, A. Kanda, and
N. Hanasaki,
"Bistable Multifunctionality and Switchable Strong Ferromagnetic-to-Antiferromagnetic
Coupling in a One-Dimensional Rhodium(I)-Semiquinonato Complex,"
J. Am. Chem. Soc. 2014, 136, 7026−7037.
- 鳥海幸四郎、安田伸広、
“放射光を用いた単結晶X線構造解析のフロンティア:粉末1粒、複雑系分子、光誘起現象の構造解析”、
「放射光が拓く化学の現在と未来」、日本化学会編、化学同人、2014年、pp.86~93.
- 伊藤真義、櫻井吉晴、小泉昭久
「スピン・軌道別磁化曲線測定手法の開発」
SPring-8利用者情報 2014年5月 91-95ページ
2013
- S. Nakatsuji, K. Aoki, A. Kojoh, H. Akutsu, J. Yamada, M. Karakawa, Y.
Aso,
"Self-Assembling Aryl-Naphthalendiimide Derivatives with a Nitroxide
Radical,”
Asian J. Org. Chem. 2, 164–168 (2013).
- K. Sasamori, K. Takahashi, T. Kodama, W. Fujita, K. Kikuchi, J.
Yamada,
"Structural Variations in β-(BDA-TTP)2FeCl4 at Low Temperature and under
Pressure: Charge-Ordered State with a Two-Fold Crystal
Structure,"
J. Phys. Soc. Jpn. 82 (2013) 054705 (6 pages).
- H. Akutsu, J. Yamada, S. Nakatsuji, S. S. Turner
"Structures and properties of a BEDT-TTF-based organic charge transfer
salt and the zwitterion of ferrocenesulfonate,"
Dalton Trans. 42, 16351-16354 (2013).
- Y. Takahashi,
"Spin Fluctuation Theory of Itinerant Electron
Magnetism",
Springer Tracts in Modern Physics, pp.194, Springer, Vol. 253
(2013)
- H. Nakano, T. Sakai,
"The Two-Dimensional S=1/2 Heisenberg Antiferromagnet
on the
Shuriken Lattice -a Lattice Composed of Vertex-Sharing
Triangles,"
J. Phys. Soc. Jpn. 82 (2013) 083709(4pages).
- K. Ishikawa,
``Hyperpolarisation of Cs salts by optical pumping of Cs atoms in a
random scattering medium at high magnetic field'',
Micropor. Mesopor. Mater. 178 (2013) 123-125.
- T. Mito, M. Hattori, G. Motoyama, Y. Sakai, T. Koyama, K. Ueda, T. Kohara,
M. Yokoyama, H. Amitsuka,
"Investigation of Local Symmetries in the Hidden Order Phase of URu2Si2",
J. Phys. Soc. Jpn. 82 (2013) 123704(4pages).
- K. Torizuka, H. Tajima, M. Inoue, N. Hanasaki, M. Matsuda, D. E. C. Yu, T. Naito, T. Inabe,
"Magnetic torque experiments on TPP[Fe (Pc)L2]2 (L=Br and Cl): Antiferromagnetic
short range ordering of d electrons, Antiferromagnetic ordering of pi electrons,
and the anisotropy energy,"
J. Phys. Soc. Jpn, 82 (2013) 034719 (14 pages)
- H.-X. Zhang, M. Abe, Y. Zhang, G. Li, S. Ye, M. Osawa, and Y. Sasaki,
"Proton-Coupled Electron Transfer and Lewis Acid Recognition at Self-Assembled
Monolayers of an Oxo-Bridged Diruthenium(III) Complex Functionalized with
Two Disulfide Anchors",
Langmuir 2013, 29, 10110-10119.
- Y. Ozawa, M. Kim, K. Toriumi,
"A one-dimensional platinum mixed-valence complex with bridging thiocyanate S atoms: [[PtII(en)2](μ-SCN)[PtIV(en)2](μ-SCN)](ClO4)4 (en is ethane-1,2-diamine)”,
Acta Cryst., C69, 146-149 (2013).
- M. Mitsumi,
"Crystal Structures and Properties of MMX-Chain Compounds Based on
Dithiocarboxylato-Bridged Dinuclear Complexes,"
In Material Designs and New Physical Properties in MX- and MMX-Chain Compounds;
Yamashita, M.; Okamoto, H., Eds.; Springer-Verlag: Wien, 2013; pp 151-205.
- M. Itou, A. Koizumi, and Y. Sakurai,
"Spin and orbital magnetization loops obtained using magnetic Compton
scattering"
Appl. Phys. Lett. 102 (2013) 082403 (3pages).
2012
- K. Okunishi, M. Sato, T. Sakai, K. Okamoto and C. Itoi,
"Spin-Chirality Separation and S3-Symmetry Breakings in the Magnetization Plateau of the Quantum Spin Tube,"
Phys. Rev. B 85 (2012) 054416-1-6.
- Y. Takahashi,
"Magnetic Isotherm of Itinerant Electron Magnets - A New Approach to Itinerant Electron Matamagnetism,"
J. Phys.: Conf. Ser., 344, 012002, (2012) (10 pages).
- M. Nakagawa, H. Akutsu, J. Yamada, M. Karakawa, Y. Aso, S. Fall, T. Heiser, S. Nakatsuji,
"A Spin-carrying Naphthalenediimide Derivative with Azobenzene Unit,"
Chem. Lett., 41, 175–177 (2012).
- J. Yamada, H. Akutsu,
"Chemical Modifications of BDH-TTP
[2,5-bis(1,3-dithiolan-2-ylidene)-1,3,4,6-tetrathiapentalene]: Control
of Electron Correlation,"
Crystals (Special Issue “Molecular Conductors”)
2, 812–844 (2012).
- 高橋慶紀、吉村一良 、「遍歴磁性とスピンゆらぎ」、内田老鶴圃、272頁、2012年4月出版予定。
2011
- T. Sakai and H. Nakano,
"Critical magnetization behavior of the triangular- and kagome-lattice quantum antiferromagnets,''
Phys. Rev. B 83 pp.100405(r) (2011).
- T. Hasegawa, Y. Takagi, and M. Nakayama,
"Electric field effects on excitonic quantum beats in a single quantum well embedded in a GaAs/AlAs superlattice,"
Phys. Rev. B, 83(20), 205309 (2011) (6 pages).
- Y. Hasegawa and K. Kishigi,
"Edge States in the Three-Quarter Filled System, α-(BEDT-TTF)2I3,"
J. Phys. Soc. Jpn. 80, 054707 (2011) (11 pages).
- H. Nakano and T. Sakai,
"Numerical-Diagonalization Study of Spin Gap Issue of the Kagome Lattice Heisenberg Antiferromagnet,"
J. Phys. Soc. Jpn. 80, 053704 (2011) (4 pages).
- H. Nakano, T. Shimokawa, and T. Sakai,
"Collapse of Ferrimagnetism in Two-Dimensional Heisenberg Antiferromagnet due to Frustration,"
J. Phys. Soc. Jpn. 80, 033709 (2011) (4 pages).
- T. Waki, S. Terazawa, T. Yamazaki, Y. Tabata, K. Sato, A. Kondo, K. Kindo, M.
Yokoyama, Y. Takahashi, and H. Nakamura,
"Interplay between quantum criticality and geometrical frustration in Fe3Mo3N with stella quandrangula lattice,"
Euro Phys. Lett., 94, 37004/p1-p6, 2011.
- K. Kishigi, K. Uno, E. Miyamoto, and Y. Hasegawa,
"Dirac cones on the generalized honeycomb lattice,"
J. Phy.: Conf. Ser., 334, 012047 (2011) (5 pages).
- M. Mitsumi, T. Yamashita, Y. Aiga, K. Toriumi, H. Kitagawa, T. Mitani, and M. Kurmoo,
On the Nature of the Multiple Ground States of the MMX Mixed-Valence Chain Compound, [PtII/III2(n-PenCS2)4I]∞,
Inorg. Chem., 50, 4368-4377 (2011).
- H. Akutsu, S. Yamashita, J. Yamada, S. Nakatsuji, Y. Hosokoshi, S. S. Turner,
"A Purely Organic Paramagnetic Metal, κ-β"-(BEDT-TTF)2(PO-CONHC2H4SO3), Where PO = 2,2,5,5-Tetramethyl-3-pyrrolin-1-oxyl Free Radical,"
Chem. Mater. (Special Issue on p-Functional Materials), 23, 762-764 (2011).
- H. Akutsu, A. Kawamura, J. Yamada, S. Nakatsuji, S. S. Turner,
"Anion polarity-induced dual oxidation states in a dual-layered purely-organic paramagnetic charge-transfer salt, (TTF)3(PO-CON(CH3)C2H4SO3)2, where PO = 2,2,5,5-tetramethyl-3-pyrrolin-1-oxyl Free Radical,"
CrystEngComm, 13, 5281-5284(2011).
- H. Akutsu, Y. Maruyama, J. Yamada, S. Nakatsuji, S. S. Turner,
"A new BEDT-TTF-based organic metals with an anionic weak acceptor 2-sulfo-1,4-benzoquinone,"
Synth. Met., 161, 2339–2343 (2011).
- S. Matsumoto, T. Higashiyama, H. Akutsu, S. Nakatsuji,
"A Functional Nitroxide Radical Displaying Unique Thermochromism and Magnetic Phase Transition,"
Angew. Chem. Int. Ed., 50, 10879-10883 (2011).
- K. Kikuchi, T. Isono, M. Kojima, H. Yoshimoto, T. Kodama, W. Fujita, K. Yokogawa, H. Yoshino, K. Murata, T. Kaihatsu, H. Akutsu, J. Yamada,
"Uniaxial Strain Orientation Dependence of Superconducting Transition Temperature (Tc) and Critical Superconducting Pressure (Pc) in β-(BDA-TTP)2I3,"
J. Am. Chem. Soc., 133, 19590-19593 (2011).
- K. Fujiwara, H. Akutsu, J. Yamada, M. Satoh, S. Nakatsuji, “Structures and charge-discharge properties of spin-carrying ferrocene derivatives”, Tetrahedron Lett, 52, 6655–6658 (2011).
- 山田順一,
「分子性導体の電子相関制御—合成・構造的観点から—」,
化学工業,62(4), 58[306]-64[312] (2011).