Development of method for simultaneous determination of thermal transport properties and research for the electronic properties of Eu compounds
Project/Area Number |
23540418
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Condensed matter physics II
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Research Institution | University of the Ryukyus |
Principal Investigator |
HEDO Masato 琉球大学, 理学部, 准教授 (00345232)
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Project Period (FY) |
2011 – 2013
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Project Status |
Completed (Fiscal Year 2013)
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Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2011: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
|
Keywords | 価数転移 / 高圧力 / 電子状態 / Eu化合物 / 熱電能 / 熱伝導率 / 比熱 / ドハース・ファンアルフェン効果 |
Research Abstract |
We developed a principled method for simultaneous determination under pressure of four values of transport properties: qualitative thermal conductivity and specific heat in addtion to electrical resistivity and thermopower. For Eu compounds, we grew single crystals and studied their electronic properties and searching for pressure-induced phase transition by measuring the de Haas van Alphen effect and pressure effect. We clarified pressure-induced valence transition above 6 GPa and observed a plausible emergence of the CDW under pressures for EuGa4. The nesting effect might be realized for peculiar quadratic prism-like Fermi surface and drive CDW in EuGa4. We reported that measured the thermal expansion, magnetic susceptibility, specific heat, and thermopower, and formed heavy fermion state in EuNi2P2.
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Report
(4 results)
Research Products
(50 results)
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[Journal Article] Pressure effect on transport properties of EuNiGe32014
Author(s)
K. Uchima, N. Arakaki, S. Hirakawa, Y. Hiranaka, T. Uejo, A. Teruya, A. Nakamura, M. Takeda, Y. Takaesu, M. Hedo, T. Nakama, K. Yagasaki, Y. Uwatoko
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Journal Title
J. Phys. Soc. Jpn. Conf. Proc
Volume: 1
DOI
Related Report
Peer Reviewed
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[Journal Article] Fermi Surface and Magnetic Properties of Antiferromagnet EuBi32013
Author(s)
A. Nakamura, Y. Hiranaka, M. Hedo, T. Nakama, Y. Tatetsu, T. Maehira, Y. Miura, A. Mori, H. Tsutsumi, Y. Hirose, K. Mitamura, K. Sugiyama, M. Hagiwara, F. Honda, T. Takeuchi, Y. Haga, K. Matsubayashi, Y. Uwatoko, Y. Onuki
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Journal Title
J. Phys. Soc. Jpn
Volume: 82
Issue: 12
Pages: 124708-124708
DOI
NAID
Related Report
Peer Reviewed
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[Journal Article] Magnetic and Fermi Surface Properties of EuGa42013
Author(s)
A. Nakamura, Y. Hiranaka, M. Hedo, T. Nakama, Y. Miura, H. Tsutsumi, A. Mori, K. Ishida, K. Mitamura, Y.Hirose, K. Sugiyama, F. Honda, R. Settai, T. Takeuchi, M. Hagiwara, T. D. Matsuda, E. Yamamoto, Y. Haga, K. Matsubayashi, Y. Uwatoko, H. Harima, Y. Onuki
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Journal Title
J. Phys. Soc. Jpn
Volume: 82
Issue: 10
Pages: 104703-104703
DOI
NAID
Related Report
Peer Reviewed
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[Journal Article] Heavy Fermion State Based on the Kondo Effect in EuNi2P22013
Author(s)
Y. Hiranaka, A. Nakamura, M. Hedo, T. Takeuchi, A. Mori, Y. Hirose, K. Mitamura, K. Sugiyama, M. Hagiwara, T. Nakama, Y. Onuki
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Journal Title
J. Phys. Soc. Jpn
Volume: 82
Issue: 8
Pages: 083708-083708
DOI
NAID
Related Report
Peer Reviewed
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[Journal Article] Effect of pressure on thermopower of EuNi2Ge22012
Author(s)
A. Nakamura, T. Nakama, K. Uchima, N. Arakaki, C. Zukeran, S. Komesu, M. Takeda, Y. Takaesu, D. Nakamura, M. Hedo, K. Yagasaki, Y. Uwatoko
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Journal Title
J. Phys. : Conf. Ser
Volume: 400
Related Report
Peer Reviewed
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[Journal Article] Transport properties of Y1-xNdxCo2 compounds2012
Author(s)
K. Uchima, M. Takeda, C. Zukeran, A. Nakamura, N. Arakaki, S. Komesu, Y. Takaesu, M. Hedo, T. Nakama, K. Yagasaki, Y. Uwatoko, A. T. Brukov
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Journal Title
Journal of Physics: Conference Series
Volume: 400
Issue: 3
Pages: 32107-4
DOI
Related Report
Peer Reviewed
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[Journal Article] Pressure and Substitution Effects on Transport and Magnetic Properties of Y1-xRxCo2 Systems with Static Magnetic Disorder2012
Author(s)
M. Takeda, A. Teruya, S. Watanabe, S. Hirakawa, Y. Hiranaka, A. Nakamura, Y. Takaesu, K. Uchima, M. Hedo, T. Nakama, K. Yagasaki, K. Matsubayashi, Y. Uwatoko, A. T. Burkov
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Journal Title
Journal of the Physical Society of Japan
Volume: 82
Issue: 1
Pages: 14708-6
DOI
NAID
Related Report
Peer Reviewed
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[Journal Article] Effect of pressure on thermopower of EuNi2Ge22012
Author(s)
A. Nakamura, T. Nakama, K. Uchima, N. Arakaki, C. Zukeran, S. Komesu, M. Takeda, Y. Takaesu, D. Nakamura, M. Hedo, K. Yagasaki, Y. Uwatoko
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Journal Title
Journal of Physics: Conference Series
Volume: 200
Issue: 3
Pages: 32106-4
DOI
Related Report
Peer Reviewed
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[Presentation] EuCd11の純良単結晶育成と電子状態2013
Author(s)
大貫惇睦, 仲村愛, 平仲裕一, 上門太郎, 竹内徹也, 本多史憲, 松林和幸, 上床美也, 辺土正人, 仲間隆男
Organizer
日本物理学会2013年秋季大会
Place of Presentation
徳島大学
Year and Date
2013-09-26
Related Report
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[Presentation] Heavy Fermion State in EuNi2P22013
Author(s)
Y. Hiranaka, A. Nakamura, M. Hedo, T. Takeuchi, K. Sugiyama, K. Matsubayashi, Y. Uwatoko, T. Nakama, Y. Ōnuki
Organizer
International Conference on Strongly Correlated Electron System 2013 (SCES2013)
Place of Presentation
Japan (Tokyo)
Year and Date
2013-08-06
Related Report
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[Presentation] Unique Fermi Surface and Emergence of Charge Density Wave in EuGa4 and EuAl42013
Author(s)
A. Nakamura, Y. Hiranaka, M. Hedo, T. Nakama, Y. Miura, H. Tsutsumi, A. Mori, K. Ishida, K. Mitamura, Y. Hirose, K. Sugiyama, F. Honda, T. Takeuchi, T. Matsuda, E. Yamamoto, Y. Haga, Y. Ōnuki
Organizer
International Conference on Strongly Correlated Electron System 2013 (SCES2013)
Place of Presentation
Japan (Tokyo)
Year and Date
2013-08-06
Related Report
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[Presentation] Fermi Surface and Magnetic Properties of Ferromagnet EuRu2P22013
Author(s)
M. Hedo, Y. Miura, A. Mori, H. Tsutsumi, Y. Hirose, F. Honda, T. Takeuchi, A. Nakamura, Y. Hiranaka, T. Nakama, H. Harima, Y. Ōuki
Organizer
International Conference on Strongly Correlated Electron System 2013 (SCES2013)
Place of Presentation
Japan (Tokyo)
Year and Date
2013-08-06
Related Report
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[Presentation] EuNi2P2の価数変化に伴う重い電子状態2013
Author(s)
平仲裕一, 仲村愛, 辺土正人, 仲間隆男, 森晶宣, 三田村勝哉, 広瀬雄介, 杉山清寛, 本多史憲, 竹内徹也, 大貫惇睦
Organizer
日本物理学会第68回年次大会
Place of Presentation
広島大学
Year and Date
2013-03-26
Related Report
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[Presentation] EuAl4とEuGa4の特異なフェルミ面とCDW2013
Author(s)
仲村愛, 平仲裕一, 辺土正人, 仲間隆男, 三浦泰直, 堤泰樹, 森晶宣, 三田 村勝哉, 広瀬雄介, 杉山清寛, 本多史憲, 竹内徹也, 大貫惇睦
Organizer
日本物理学会第68回年次大会
Place of Presentation
広島大学
Year and Date
2013-03-26
Related Report
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[Presentation] EuBi3の純良単結晶育成と磁性2013
Author(s)
大貫惇睦, 仲村愛, 平仲裕一, 辺土正人, 仲間隆男, 立津慶幸, 眞榮平孝裕, 森晶宣, 三田村勝哉, 三浦泰直, 広瀬雄介, 杉山清寛, 本多史憲, 竹内徹也, 松田達磨, 山本悦嗣, 芳賀芳範
Organizer
日本物理学会第68回年次大会
Place of Presentation
広島大学
Year and Date
2013-03-26
Related Report
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[Presentation] Fermi Surface and Magnetic Properties of Ferromagnet EuRu2P22013
Author(s)
Masato HEDO, Yasunao MIURA, Akinobu MORI, Hiroki TSUTSUMI, Yusuke HIROSE, Fuminori HONDA, Tetsuya TAKEUCHI, Ai NAKAMURA, Yuichi HIRANAKA, Takao NAKAMA, Hisatomo HARIMA, Yoshichika ONUKI
Organizer
International Conference on Strongly Correlated Electron System 2013 (SCES2013)
Place of Presentation
Ito International Research Center Conference, The University of Tokyo
Related Report
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[Presentation] Unique Fermi Surface and Emergence of Charge Density Wave in EuGa4 and EuAl42013
Author(s)
A. Nakamura, Y. Hiranaka, M. Hedo, T. Nakama, Y. Miura, H. Tsutsumi, A. Mori, K. Ishida, K. Mitamura, Y. Hirose, K. Sugiyama, F. Honda, T. Takeuchi, T.Matsuda,E.Yamamoto,Y.Haga, Y. Onuki
Organizer
International Conference on Strongly Correlated Electron System 2013 (SCES2013)
Place of Presentation
Ito International Research Center Conference, The University of Tokyo
Related Report
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[Presentation] Heavy Fermion State in EuNi2P22013
Author(s)
Y. Hiranaka, A. Nakamura, M. Hedo, T. Takeuchi, K. Sugiyama, K. Matsubayashi, Y. Uwatoko, T. Nakama, Y. Onuki
Organizer
International Conference on Strongly Correlated Electron System 2013 (SCES2013)
Place of Presentation
Ito International Research Center Conference, The University of Tokyo
Related Report
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[Presentation] EuNi(Ge1-xSix)3化合物の磁性と輸送特性2012
Author(s)
平川 先太郎, 渡部晋太郎, 照屋淳志, 仲裕一, 仲村愛, 高江洲義尚, 辺土正人, 仲間隆男, 矢ケ崎克馬, 内間清晴, 松林和幸, 上床美也
Organizer
日本物理学会2012年秋季大会
Place of Presentation
横浜国立大学
Year and Date
2012-09-18
Related Report
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[Presentation] EuGa4の電子状態と圧力効果2012
Author(s)
仲村愛, 平仲裕一, 立津慶幸, 眞榮平孝裕, 辺土正人, 仲間隆男, 広瀬雄介, 石田一裕, 森晶 宣, 三田 村勝哉, 本多史憲, 竹内徹也, 杉山清寛, 荻原政幸, 摂待力生, 大貫惇睦
Organizer
日本物理学会2012年秋季大会
Place of Presentation
横浜国立大学
Year and Date
2012-09-18
Related Report
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[Presentation] EuNi2(Ge1-xSix)2の圧力下輸送特性2012
Author(s)
仲村愛, 竹田政貴, 新垣望, 米須将太, 瑞慶覧長潤, 仲村大, 平川 先太郎, 渡部晋太郎, 照屋淳志, 辺土正人, 仲間隆男, 矢ヶ 崎克馬, 高江洲義尚, 内間清晴, 松林和幸, 上床美也
Organizer
日本物理学会第67回年次大会
Place of Presentation
関西学院大学
Year and Date
2012-03-24
Related Report
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[Presentation] EuTX3(T=遷移金属, X=Ge, Si)の圧力下輸送特性2012
Author(s)
平川 先太郎, 渡部晋太郎, 照屋淳志, 新垣望, 仲村愛, 瑞慶覧長潤, 米須将太, 竹田 政貴, 辺土正人, 仲間隆男 , 矢ケ 崎克馬, 高江洲義尚, 内間清晴, 松林和幸, 上床美也
Organizer
日 本物理学会第67回年次大会
Place of Presentation
関西学院大学
Year and Date
2012-03-24
Related Report
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[Presentation] EuNiGe3の磁性と熱電能2011
Author(s)
新垣望, 竹田政貴, 仲村愛, 米須将太, 瑞慶覧長潤, 平川先太郎, 高江洲義尚, 内間清晴, 辺土正人, 仲間隆男 , 矢ヶ崎克馬, 松林和幸, 上床美也
Organizer
日本物理学会2011年秋季大会
Place of Presentation
富山大学
Year and Date
2011-09-21
Related Report
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[Presentation] EuNi2Ge2の熱電能に対する圧力と置換の効果2011
Author(s)
仲村愛, 竹田政貴, 新垣望, 米須将太, 瑞慶覧長潤, 仲村大, 渡部晋太郎, 高江洲義尚, 内間清晴, 辺土正人, 仲間隆男, 矢ヶ崎克馬, 松林和幸, 上床美也
Organizer
日本物理学会2011年秋季大会
Place of Presentation
富山大学
Year and Date
2011-09-21
Related Report
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[Presentation] EuGa4の電子状態と圧力効果
Author(s)
仲村愛, 平仲裕一, 立津慶幸, 眞榮平孝裕, 辺土正人, 仲間隆男, 広瀬雄介, 石田一裕, 森晶宣, 三田村勝哉, 本多史憲, 竹内徹也, 杉山清寛, 萩原 政幸, 摂待力生, 大貫惇睦
Organizer
日本物理学会2012年秋季大会
Place of Presentation
横浜国立大学
Related Report
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[Presentation] EuNi(Ge1-xSix)3 化合物の磁性と輸送特性
Author(s)
平川先太郎, 渡部晋太郎, 照屋淳志, 平仲裕一, 仲村愛, 高江洲義尚, 辺土正人, 仲間隆男, 矢ケ崎克馬, 内間清晴, 松林和幸, 上床美也
Organizer
日本物理学会2012年秋季大会
Place of Presentation
横浜国立大学
Related Report
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[Presentation] 森晶宣, 三田村勝哉, 三浦泰直, 堤泰樹, 広瀬雄介, 竹内徹也, 杉山清寛, 本多史憲, 大貫惇睦, 仲村愛, 辺土正人, 仲間隆男
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[Presentation] 仲村愛, 平仲裕一, 立津慶幸, 眞榮平孝裕, 辺土正人, 仲間隆男, 広瀬雄介, 石田一裕, 森晶宣, 三田村勝哉, 杉山清寛, 大貫惇睦, 本多史憲, 竹内徹也, 萩原政幸, 摂待力生, 松林和幸, 上床美也
Author(s)
EuGa4 の輸送特性に対する圧力効果
Organizer
第53回高圧討論会
Place of Presentation
大阪大学
Related Report