10GPa級高圧力下、超強磁場下の有機伝導体の新物性
Project/Area Number |
15073220
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Research Category |
Grant-in-Aid for Scientific Research on Priority Areas
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Allocation Type | Single-year Grants |
Review Section |
Science and Engineering
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Research Institution | Osaka City University |
Principal Investigator |
村田 惠三 Osaka City University, 大学院・理学研究科, 教授 (90291591)
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Co-Investigator(Kenkyū-buntansha) |
吉野 治一 大阪市立大学, 大学院・理学研究科, 准教授 (60295681)
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Project Period (FY) |
2003 – 2007
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Project Status |
Completed (Fiscal Year 2007)
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Budget Amount *help |
¥73,500,000 (Direct Cost: ¥73,500,000)
Fiscal Year 2007: ¥3,300,000 (Direct Cost: ¥3,300,000)
Fiscal Year 2006: ¥4,100,000 (Direct Cost: ¥4,100,000)
Fiscal Year 2005: ¥24,900,000 (Direct Cost: ¥24,900,000)
Fiscal Year 2004: ¥3,300,000 (Direct Cost: ¥3,300,000)
Fiscal Year 2003: ¥37,900,000 (Direct Cost: ¥37,900,000)
|
Keywords | 強相関電子系 / 有機導体 / 分子性固体 / 低温物 / 物性実験 / 分子性個体 |
Research Abstract |
本研究では数GPa-10 GPa級の圧力域に重点を置き、磁場と組み合わせて有機物における物性開拓と統一理解を研究目標とした。紙面の都合で4つの成果に限る。 1)κ-(Me-DH-TTP)_2AsF_6縮小□電子系で電子相関を増大させ金属-絶縁体転移における量子臨界点の議論を行った。κ型は結晶構造から2量体化していると思われるが、2量体エネルギーが他のκ型に比べて1/10で電荷移動も3/4充填の系と思われることから、絶縁相は電荷秩序と思われ、現在(2009年)でも未解決の興味深い問題点を残した。 2)(TTM-TTP)I_3は1次元1/2充填Mott-Hubbard系であり、圧力による金属化を試みた。Mott絶縁体における鎖間相互作用の重要さの問題として、理論家の興味を引いた。 3)杉本塩、pi-d相互作用に基づく新物性が期待できる擬二次元伝導体beta″-(EDO-TTFVO)_2 FeCl_4において、T<3K, H>8Tで磁場誘起相転移を発見し、H>17Tではシュブニコフ-ドハース振動の観測に成功した。□-d系有機伝導体(EDT-DSDTFVSDS)_2FeBr_4のスピンフロップに伴う磁気抵抗の巨大異常とGaBr_4塩の物性との比較による□-d相互作用を詳細に調べることができた。 4)TTF-TCNQとTSeF-TCNQの温度圧力相図の作成と物性測定を行った。TTF-TCNQの電荷密度波の研究では30年前の3GPaまでの測定を再現した。今回、8GPaまでの研究をすすめ、電荷移動に伴うCDWが圧力とともに不整合=>整合=>不整合と変遷して低温までの金属化していく様子が明瞭に示された。 さらに、類型のTSeF-TCNQについての研究を進め、TTF-TCNQより低い圧力で、金属化に成功した。電気抵抗の温度の冪の圧力変化から揺らぎ伝導の特異な性質が明らかになった。
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Report
(6 results)
Research Products
(228 results)
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[Journal Article] Metal-semiconductor structural phase transitions and antiferromagnetic orderings in (Benzo-TTFVO)_2・MX_4 (M = Fe, Ga ; X =Cl, Br)salt2007
Author(s)
Takashi Hiraoka, Hideki Fujiwara, Toyonari Sugimoto, Hiroyuki Nakazumi, Satoru Noguchi, Akihiro Kuribayashi, Takekazu Ishida, Keiichi Yokogawa, Keizo Murata, Takehiko Mori, Hiroko Aruga-Katori, Shojiro Kimura, Masayuki Hagiwara
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Journal Title
J. Mater. Chem. 17
Pages: 1664-1673
Related Report
Peer Reviewed
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[Journal Article] Metal-semiconductor structuralphase transitions and antiferromagnetic orderings in (Benzo-TTFVO)_2・MX_4 (M=Fe,Ga;X=C1,Br) salt2007
Author(s)
Takashi Hiraoka, Hideki Fujiwara, Toyonari Sugimoto, Hiroyuki Nakazumi, Satoru Noguchi, Akihiro Kuribayashi, Takekazu Ishida, Keiichi Yokogawa, Keizo Murata, Takehiko Mori, Hiroko Aruga-Katori, Shojiro Kimura and Masayuki Hagiwara
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Journal Title
J. Mater. Chem. 17
Pages: 1664-1673
Related Report
Peer Reviewed
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[Journal Article] Molecular Conductor Based on Reduced pi-System Donor : Insulating state of (MeDH-TTP)_2AsF_62006
Author(s)
Hiroyuki Nishikawa, HiromichiSekiya, Akira Fujiwara, TakeshiKodama, Isao Ikemoto, Koichikikuchi, Jun-ichi Yamada, Hiroki Oshio, KKensuke Kobayashi, Syuma Yasuzuka, Keizo Murata
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Journal Title
Chem. Lett. 35
Pages: 712-712
Related Report
Peer Reviewed
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[Journal Article] A High-Conductivity Crystal Containing a Copper (I)Corordination Polymer Bridged by the Organic Acceptor TANC2006
Author(s)
Makoto Tadokoro, Syuma Yasuzuka, Masaharu Nakamura, Takumi Shinoda, Koshiro Toriumi, Harukazu yoshino, Daisuke Shiomi, Kazunobu Sato, Kakeji Takui, Takehiko Mori, Keizo Murata
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Journal Title
Angew. Chem. Int. Ed. 45
Pages: 5144-5147
Related Report
Peer Reviewed
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[Journal Article] Is the Two Dimensional Organic Conductor, □-(EDO-S, S-DMEDT-TTF)_2(AuCl_2)_<1+y> Clean or Dirty?2006
Author(s)
T. Nakanishi, S. Yasuzuka, M. Teramura, L. Li, T. Fujimoto, T. Sasaki, T. Konoike, T. Terashima, s. Uji, Y. Nogami, G. C. Anyfantis, G. C. Papavassiliou, K. Murata
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Journal Title
J. Low Temp. Phys. 142
Pages: 251-256
Related Report
Peer Reviewed
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[Journal Article] Evidence for the ? -d Interaction Comparing Magnetoresistance in (EDT-DSDTFVO)_2X, X=FeCl4, GaCl42006
Author(s)
L. Li, S. Yasuzuka, Y. Weng, K. Yokogawa, T. Fujimoto, T. Sugimoto, H. Fujiwra, T. Hayashi, T. Hiraoka, K. Murata
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Journal Title
J. Low Temp. Phys 142
Pages: 473-476
Related Report
Peer Reviewed
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[Journal Article] Pulsed Magnetic field Study of Unconventional Magnetoresistance of Q1D Superconductors, (TMTSF)_2C1O_4 and (DMET)_2I_32006
Author(s)
H. Yoshino, Z. Bayindir, J. Roy, B Show, H-I Ha, G. G. Lebed, M. Naughton, K. Kikuchi, H. Nishikawa, K. Murata
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Journal Title
J. Phys. : Conference Series 51
Pages: 339-342
Related Report
Peer Reviewed
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[Journal Article] Magnetic ground state of quasi two-dimensional organic conductor, τ-(EDO-S, S-DMEDT-TTF)_2(AuCl_2)_<1+y>2006
Author(s)
T. Nakanishi, S. Yasuzuka, H. Yoshino, H. Fujiwara, T. Sugimoto, Y. Nishio, K. Kajita, G. A. Anyfantis, G. C. Papavassiliou, Keizo Murata
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Journal Title
J. Phys. : Conference Series 51
Pages: 343-346
Related Report
Peer Reviewed
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[Journal Article] Molecular Conductor Based on Reduced pi-System Donor : Insulating state of (MeDH-TTP)_2AsF_62006
Author(s)
Hiroyuki Nishikawa, Hiromichi Sekiya, Akira Fujiwara, Takeshi Kodama, Isao Ikemoto, Koichi kikuchi, Jun-ichi Yamada, Hiroki Oshio, KKensuke Kobayashi, Syuma Yasuzuka, Keizo Murata
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Journal Title
Chem. Lett. 35
Pages: 712-712
Related Report
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[Journal Article] A High-Conductivity Crystal Containing a Copper (I) Corordination Polymer Bridged by the Organic Acceptor TANC2006
Author(s)
Makoto Tadokoro, Syuma Yasuzuka, Masaharu Nakamura, Takumi Shinoda, Koshiro Toriumi, Harukazu yoshino, Daisuke Shiomi, Kazunobu Sato, Kakeji Takui, Takehiko Mori, Keizo Murata
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Journal Title
Angew. Chem. Int. Ed. 45
Pages: 5144-5147
Related Report
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[Journal Article] Is the Two Dimensional Organic Conductor, τ-(EDO-S,S-DMEDT-TTF)_2(AuCl_2)_<1+y> Clean or Dirty?2006
Author(s)
T.Nakanishi, S.Yasuzuka, M.Teramura, L..Li, T.Fujimoto, T.Sasaki, T.Konoike, T.Terashima, S.Uji, Y.Nogami, G.C.Anyfantis, G.C.Papavassiliou, K.Murata
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Journal Title
J. Low Temp. Phys. 142
Pages: 247-247
Related Report
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[Journal Article] Evidence for the ?-d Interaction Comparing Magnetoresistance in (EDT-DSDTFVO)_2X, X=FeCl4, GaCl42006
Author(s)
L.Li, S.Yasuzuka, Y.Weng, K.Yokogawa, T.Fujimoto, T.Sugimoto, H.Fujiwra, T.Hayashi, T.Hiraoka, K.Murata
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Journal Title
J. Low Temp. Phys. 142
Pages: 469-469
Related Report
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[Journal Article] Pulsed Magnetic field Study of Unconventional Magnetoresistance of Q1D Superconductors, (TMTSF)_2ClO_4 and (DMET)_2I_32006
Author(s)
H.Yoshino, Z.Bayindir, J.Roy, B Show, H-I Ha, G.G.Lebed, M.Naughton, K.Kikuchi, H.Nishikawa, K.Murata
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Journal Title
J. Phys. : Conference Series 51
Pages: 339-342
Related Report
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[Journal Article] Magnetic ground state of quasi two-dimensional organic conductor, τ-(EDO-S,S-DMEDT-TTF)_2(AuCl_2)_<1+y>2006
Author(s)
T.Nakanishi, S.Yasuzuka, H.Yoshino, H.Fujiwara, T.Sugimoto, Y.Nishio, K.Kajita, G.A.Anyfantis, G.C.Papavassiliou, Keizo Murata
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Journal Title
J. Phys. : Conference Series 51
Pages: 343-346
Related Report
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[Journal Article] Stable Metallic Behavior and Antiferromagnetic Oredering of Fe(III9 d spinsin(EDO-TTFVO)_2FeCl_42005
Author(s)
Hideki Fujiwara, Kenji Wada, Takashi Hiraoka, Toshiki Hayashi, T)yonari Sugimoto, Hiroyuki Nakazumi, Keiichi Yokogawa, Masayasu Teramura, Syuma Yasuzuka, Keizo Murata, Takehiko Mor1
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Journal Title
J. Am. Chem. Soc 127
Pages: 14166-14167
Related Report
Peer Reviewed
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[Journal Article] Pressure Effect on Fermi Surface of beta"-(ET)(TCNQ)2005
Author(s)
S. Yasuzuka, S. Uji, K. Enomoto, T. Konoike, M. Nishimura, T. Terashima, D. Graf, J. S. Brooks, H. M. Yamamoto, R. Kato, K. Yokogawa, Keizo Murata
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Journal Title
Synth. Met. 152
Pages: 437-440
Related Report
Peer Reviewed
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[Journal Article] Determination of band-filling change in the Two-dimensional Conductors, tau- (EDO-S, S-DMEDT-TTF)2(AuBr2)1+y,(y【less than or equal】0.75)2005
Author(s)
H.Yoshino, K.Murata, Tsutomu Nakanishi, Lin Li, eun Sang Choi, David Graf, James S.Brooks, Yohio Nogami, Geroge C.Papavassiliou
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Journal Title
J.Phys.Soc.Jpn. 74
Pages: 417-424
Related Report
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[Journal Article] Magnetization, thermoelectric, and pressure studies of the magnetic field-induced metal to insulator transition in tau phase organic conductors2005
Author(s)
D.Graf, E.S.Choi, J.S.Brooks, N.Harrison, K.Murata, T.Konoike, G.A, Mousdis, G.C.Papavassiliou
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Journal Title
Phys.Rev., B 71
Pages: 451172005-451172005
Related Report
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[Journal Article] Stable Metallic Behavior and Antiferromagnetic Oredering of Fe(III9 d spins in (EDO-TTFVO)_2FeCl_42005
Author(s)
Hideki Fujiwara, Kenji Wada, Takashi Hiraoka, Toshiki Hayashi, toyonari Sugimoto, Hiroyuki Nakazumi, Keiichi Yokogawa, Masayasu Teramura, Syma Yasuzuka, Keizo Murata, Takehiko Mori
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Journal Title
J.Am.Chem.Soc. 127
Pages: 14166-14167
Related Report
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[Journal Article] Pressure Effect on Fermi Surface of beta"-(ET)(TCNQ)2005
Author(s)
S.Yasuzuka, S.Uji, K.Enomoto, T.Konoike, M.Nishimura, T.Terashima, D.Graf, J.S.Brooks, H.M.Yamamoto, R.Kato, K.Yokogawa, Keizo Murata.
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Journal Title
Synth.Met. 152
Pages: 437-440
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[Presentation] 室温高圧固化新媒体の開発2007
Author(s)
村田恵三, 横川敬一, 有本太郎, 吉野治一, 青山昌二, 岡田太平, 白神善隆
Organizer
高圧討論会
Place of Presentation
倉吉
Year and Date
2007-11-20
Related Report
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[Presentation] 超高圧下8 GPaにおけるr型導体の物性2007
Author(s)
中西努, S. Arumugam, 吉野治一, 村田恵三, G. A. Anyfantis, G. C. Papavassiliou
Organizer
日本物理学会2007年秋季大会
Place of Presentation
北海道大学
Year and Date
2007-09-22
Related Report
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[Presentation] 静水圧力媒体の探索2007
Author(s)
有本太郎, 吉野治一, 中西努, 藤本勉, 横川敬一, 青山昌二, 岡田太平, 村田恵三
Organizer
日本物理学会2007年春季大会
Place of Presentation
鹿児島大学
Related Report
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[Presentation] trong Contrast of Presence and Absence of □-d interaction in SugimotoSalts, □-(EDT-DSDTFVSDS)2X, Based on Precise Comparison between FeBr4 and GaBr4 Salts2007
Author(s)
T. Fujimoto, H. Yoshino, K. Murata, S. Noguchi, T. Hayashi, H. Fujiwara, T. Sugimoto, H. A. Katori
Organizer
ISCOM (International Symposium on Crystalline Organic Metals, Superconductors and Ferromagnets)
Place of Presentation
Peniscola, Spain
Related Report
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[Presentation] Strong Contrast of Presence and Absence of π-d interaction in Sugimoto Salts,β-(EDT-DSDTFVSDS)2X,Based on Precise Comparison between FeBr4 and GaBr4 Salts2007
Author(s)
T. Fujimoto, H. Ybshino, K. Murata, S. Noguchi, T. Hayashi, H. Fujiwara, T. Sugimoto, H. A. Katori
Organizer
ISCOM(Int. Symposium on Crystalline Organic Metals, Superconductors and Ferromagnets)
Place of Presentation
Peniscola, Spain
Related Report
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[Presentation] Electronic property of τ-(EDO-S, S-DMEDT-TTF)_2(AuCl_2)_<1+y>2006
Author(s)
T. Nakanishi, S. Yasuzuka, H. Yoshino, T. Sasaki, H. Fujiwara, T. Sugimoto, Y. Nogami, Y. Nishio, G. C. Anyfantis, G. C. Papavassiliou, Keizo Murata
Organizer
First France-Japan Advanced School 0n Chemistry andPhysics of Molecular Materials
Place of Presentation
Rennes, France
Related Report
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[Presentation] Magnetoresistance Anomaly and Shubnikov-de Haas Oscillations inβ"-(EDO-TTFVO)_2FeCl_42006
Author(s)
M. Teramura, S. Yasuzuka, H. Yoshino, K. Yokogawa, T. Sasaki, H. Fujiwara, T. Sugimoto, T. Hiraoka, T. Hayashi, K. Murata
Organizer
ICSM2006, (ICSM=International Conference on Scienceand Technology of Synthetic Metals)
Place of Presentation
Dublin, Ireland
Related Report
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[Presentation] Spin-Glass Behavior in the □-type Organic Conductor2006
Author(s)
T. Nakanishi, S. Yasuzuka, H. Yoshino, H. Fujiwara, T. Sugimoto, Y. Nishio, K. Kajita, G. A. Anyfantis, G. C. Papavassiliou, Keizo Murata
Organizer
ICSM2006
Place of Presentation
Dublin, Ireland
Related Report
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[Presentation] Strong magnetoresistance Anomaly Directly Associated with Spin Flop inthe π-d system, (EDT-DSDTFVSDS)_2FeBr_42006
Author(s)
T. Fujimoto, K. Yokogawa, S. Yasuzuka, H. Yoshino, T. Hayashi, H. Fujiwara, T. Sugimoto, T. Mori, Keizo Murata
Organizer
ICSM2006
Place of Presentation
Dublin, Ireland
Related Report
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[Presentation] Magnetoresistance Anomaly in β"-(EDO-TTFVO)_2FeCl_42006
Author(s)
M. Teramura, S. Yasuzuka, H. Yoshino, K. Yokogawa, T. Sasaki, H. Fujiwara, T. Sugimoto, T. Hiraoka, T. Hayashi, K. Murata
Organizer
RHMF2006, (RHMF=Research in High Magnetic Field)
Place of Presentation
仙台
Related Report
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[Presentation] Magnetic ground state of quasi two-dimensional organic conductor, τ-(EDO-S, S-DMEDT-TTF)_2(AuCl_2)_<1+y>2006
Author(s)
T. Nakanishi, S. Yasuzuka, H. Yoshino, H. Fujiwara, T. Sugimoto, Y. Nishio, K. Kajita, G. A. Anyfantis, G. C. Papavassiliou, Keizo Murata
Organizer
RHMF2006
Place of Presentation
仙台
Related Report
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[Presentation] SHUBNIKOV-DE HAAS OSCILLATIONS AND FIELD-INDUCEDANOMALY IN AN ORGANIC CONDUCTOR β"-(EDO-TTFVO)_2FeCl_42006
Author(s)
M. Teramura, S. Yasuzuka, H. Yoshino, K. Y)kogawa, T. Sasaki, H. Fuiiwara, T. Sugimoto, T. Hiraoka, T. Havashi, K. Murata
Organizer
ICM2006, (ICM=Intemational Conference of Magnetism)
Place of Presentation
京都
Related Report
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[Presentation] Anomalous Insulating State in Organic π-d system (EDT-TTFVO)_2FeBr_4Under pressure, up to 10 GPa2006
Author(s)
T. Fujimoto, S. Yasuzuka, K. Yokogawa, H. Yoshino, T. Hayashi, T. Hiraoka, H. Fujiwara, T. Sugimoto, M. Hedo, Y. Uwatoko, Keizo Murat
Organizer
ICM2006
Place of Presentation
京都
Related Report
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[Presentation] Ba24Siの物性に与えるラツトリングの影響2005
Author(s)
良知健, 谷垣勝己, 小林賢介, 吉野治一, 村田恵三, 福岡宏, 山中昭司, 下谷秀和, 竹延大志, 佐々木孝彦, 小林典男, 宮崎裕司, 斎藤一弥
Organizer
日本物理学会
Place of Presentation
東京理科大学
Related Report
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[Presentation] Development of Magnetic Molecular Conductors Based onTetrathiafulvaleno-thioquinone(-quinone)-l, 3-dithiolemethides2005
Author(s)
Hedeki fujiwara, Kenji Wada, takshi Hiraoka, Toshiki Hayashi, Toyonari Sugimoto, Hiroyuki Nakazumi, Masayasu Teramura, Lin Li, Tsutomu Fujimoto, YuFeng. Weng, Kei-ichi Yokogawa, Syuma Yasuzuka, Keizo Murata
Organizer
ISMC2005 (ISMC =Int. Symp. Mol. Conductor)
Place of Presentation
葉山
Related Report
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[Presentation] Is the Two Dimensional Organic Conductor, □-(EDO-S, S-DMEDT-TTF)2(AuC12)1+y, Clean or Dirty?2005
Author(s)
Tsutomu Nakanishi, Masayasu Teramura, Lin Li, Tsutomu Fuiimoto, Syuma Yasuzuka, Takahiko Sasaki, Takako Konoike, Shinya Uji, Yoshio Nogami, G. C. Anyfantis, GeorgeC Papavassiliou, Keizo Murata
Organizer
ISMC2005 (ISMC =Int. Symp. Mol. Conductor)
Place of Presentation
葉山
Related Report
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[Presentation] Evidence for the π-d Interaction Comparing the Magnetoresistance in(EDT-DSDTFVO)2X, X=FeCl4, GaCl42005
Author(s)
Lin Li, Yufeng Weng, Keiichi Yokogawa, Tsutomu Fujimoto, Syuma Yasuzuka, Toyonari Sugimoto, Hideki Fujiwara, Toshiki Hayashi, TakashiHiraoka, Keizo Murata
Organizer
ISMC2005 (ISMC =Int. Symp. Mol. Conductor)
Place of Presentation
葉山
Related Report
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[Presentation] Anomalous Metallic State in (TTM-TTP)I3 with a Highly One-Dimensional Half-FilledBand under Pressure beyond 7 GPa2005
Author(s)
Syuma Yasuzuka, Keizo Murata, Tsutomu Fujimoto, Masahiro Shimotori, Tadashi Kawamoto, Takehiko Mori, Masato Hedo, Yoshiya Uwatoko
Organizer
ISCOM2005, (ISCOM =Int. Symp. Crystalline OrganicMetals, Superconductors and Ferromagnets)
Place of Presentation
Florida, USA
Related Report
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[Presentation] Is the Two Dimensional Organic Conductor, τ-(ED0-S, S-DMEDT-TTF)2(AuC12)1+y, Clean or Dirty?2005
Author(s)
Tsutomu Nakanishi, Masayasu Teramura, Lin Li, Tsutomu Fujimoto, Syuma Yasuzuka, Takahiko Sasaki, Takako Konoike, Shinya Uji, YoshioNogami, G. C. Anyfantis, GeorgeC Papavassiliou, Keizo Murata
Organizer
ISCOM2005, (ISCOM =Int. Symp. Crystalline OrganicMetals, Superconductors and Ferromagnets)
Place of Presentation
Florida, USA
Related Report
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[Presentation] Quantum Critical Point in the Quasi 2D Conductor, (Me-DH-TTP)2AsF62005
Author(s)
Kensuke Kobayashi, Tsutomu Nakanishi, Keiichi Yokogawa, Syuma Yasuzuka, Hiroyuki Nishikawa, Harukazu Yoshino, Keizo Murata
Organizer
ISCOM2005, (ISCOM =Int. Symp. Crystalline OrganicMetals, Superconductors and Ferromagnets)
Place of Presentation
Florida, USA
Related Report
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[Presentation] Evidence for the pi-d Interaction Comparing the Magnetoresistance in(EDT-DSDTFVO)2X, X=FeC14, GaC142005
Author(s)
Lin Li, Yufeng Weng, Keiichi Yokogawa, Tsutomu Fujimoto, Syuma Yasuzuka, Toyonari Sugimoto, Hideki Fujiwara, Toshiki Hayashi, Takashi Hiraoka, Keizo Murata
Organizer
ISCOM2005, (ISCOM =Int. Symp. Crystalline OrganicMetals, Superconductors and Ferromagnets)
Place of Presentation
Florida, USA
Related Report
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[Presentation] Field Induced Anomaly in the Magnetoresistance of(EDO-TTFVO)2FeC14 below 1.5 K2005
Author(s)
Masayasu Teramura, KeiichiYokogawa, Syuma Yasuzuka, Kenji Wada, Takashi Hiraoka, Toshiki Hayashi, Hideki Fujiwara, Toyonari Sugimoto, Keizo Murata
Organizer
ISCOM2005, (ISCOM =Int. Symp. Crystalline OrganicMetals, Superconductors and Ferromagnets)
Place of Presentation
Florida, USA
Related Report
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[Presentation] Pressure Effect on Insulating State in Ferrimagnetic pi-d system (EDT-TTFVO)2FeBr42005
Author(s)
Tsutomu Fujimoto, Syuma Yasuzuka, Keiichi Yokogawa, Toshiki Hayashi, TakashiHiraoka, Hideki Fujiwara, Toyonari Sugimoto, Keizo Murata
Organizer
ISCOM2005, (ISCOM =Int. Symp. Crystalline OrganicMetals, Superconductors and Ferromagnets)
Place of Presentation
Florida, USA
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[Presentation] Pressure effect on the metal-insulator transition in new π-d system(Bz-TTFVS)_2X (X =FeCl_4, GaCl_4)2005
Author(s)
Yufeng Weng, Lin Li, KeiichiYokogawa, Syuma Yasuzuka, Toyonari Sugimoto^<A, B>, HidekiFujiwara^<A, B>, Toshiki Hayashi^A, Takashi Hiraoka^A, Keizo Murata
Organizer
日本物理学会
Place of Presentation
同志社大学
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[Presentation] (EDO-TTFVO)_2FeCl_4における磁気抵抗異常とShubnikov-de Haas効果2005
Author(s)
寺村昌泰, 横川敬一, 安塚周磨, 藤本勉, 翁宇峰, 佐々木孝彦, 平岡崇志, 林寿樹, 藤原秀紀, 杉本豊成, 村田恵三
Organizer
日本物理学会
Place of Presentation
同志社大学
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[Presentation] Is the Resistance Upturn around 50 K Related to the Fermi Surface Area intau-(EDO-R, R-DMEDT-TTF)2(AuBr2)1-y?2004
Author(s)
Tsutomu Nakanishi, Lin Li, Harukazu yoshino, David Graf, EunSang Choi, James. S. Brooks, Syuma Yasuzuka, Gerorge c. Papavassiliou, Keizo Murata
Organizer
Int. Conf. on the Sci. and Tech. of Synth Metals
Place of Presentation
Wollongong, Australia
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[Presentation] Pressure Effect on the Fermi Surface in beta"-(ET)(TCNQ)2004
Author(s)
Syuma Yasuzuka, KeiichiYokogawa, keizo Murata, ShinyaUji, Kengo Enomoto, TakakoKonoike, Mitsuka Nishimura, Terashima Taichi, David Graf, Eun S, Choi, James S Brooks, Hiroshi m Yamamoto, Reiz Kato
Organizer
Int. Conf. on the Sci. and Tech. of Synth Metals
Place of Presentation
Wollongong, Australia
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[Presentation] Possible Quantum Hall effect in the 2-Dimensional Organic Conductors, tau-(EDO-S, S, DMEDT-TTF)2(AuBr2)1+y in the multi-Fermi Surface System.2003
Author(s)
Keizo Murata, Takako, Konoike, Jams Brooks, David Graf, Charles Mielke, Harukazu Yoshino, George C. Papavassiliou
Organizer
5th Int. Symp. Organic Metal, Superconductors, ISCOM'2003
Place of Presentation
Port-Bourgenay (France)
Year and Date
2003-09-23
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[Presentation] τ型有機導体の低温強磁場物性2003
Author(s)
中西努, 吉野治一, J. Brooks, D. Graf, G.C. Papavassiliou, 村田惠三
Organizer
日本物理学会
Place of Presentation
岡山大学
Year and Date
2003-09-20
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