Multipole-driven phenomena of strongly correlated electronic states in non-Kramers systems
Project/Area Number |
26707017
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Research Category |
Grant-in-Aid for Young Scientists (A)
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Allocation Type | Partial Multi-year Fund |
Research Field |
Condensed matter physics II
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Research Institution | Hiroshima University |
Principal Investigator |
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Project Period (FY) |
2014-04-01 – 2017-03-31
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Project Status |
Completed (Fiscal Year 2016)
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Budget Amount *help |
¥24,050,000 (Direct Cost: ¥18,500,000、Indirect Cost: ¥5,550,000)
Fiscal Year 2016: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2015: ¥9,750,000 (Direct Cost: ¥7,500,000、Indirect Cost: ¥2,250,000)
Fiscal Year 2014: ¥11,830,000 (Direct Cost: ¥9,100,000、Indirect Cost: ¥2,730,000)
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Keywords | 多極子秩序 / 超伝導 / 非フェルミ液体 / 四極子近藤効果 / 構造相転移 / Quadrupole / Superconductivity / Non-Fermi liquid / Heavy fermion / Kondo effect / 低温物性 / 磁性 / 電気四極子 / 中性子回折 |
Outline of Final Research Achievements |
In the present work, I have focussed on the multipole-driven phenomena in non-Kramers systems PrT2Zn20 (T=Ir, Rh) including the trivalent Pr ion with 4f2 configuration. By means of neutron diffraction experiments in magnetic fields, the order parameter of the quadrupole order in PrIr2Zn20 was determined. La substitution effect on the transition temperatures for the quadrupole order and the superconductivity in PrIr2Zn20 is hardly related. The non-Fermi liquid behaviors of the electrical resistivity and the specific heat can be reproduced by the 2ch Anderson lattice model, suggesting formation of quadrupole Kondo lattice. In magnetic fields at around 5 T applied along the [100] direction, a new type of a Fermi-liquid ground state manifests itself. Moreover, systematic understanding of the quadrupole order, superconductivity, and structural transition in PrT2Zn20 (T=Ir, Rh) and PrT2Al20 (T=Ti, V) were presented.
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Report
(4 results)
Research Products
(102 results)
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[Journal Article] Structural, Magnetic, and Superconducting Properties of Caged Compounds ROs2Zn20 (R = La, Ce, Pr, and Nd)2017
Author(s)
K. Wakiya, T. Onimaru, K. T. Matsumoto, Y. Yamane, N. Nagasawa, K. Umeo, S. Kittaka, T. Sakakibara, Y. Matsushita, and T. Takabatake
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Journal Title
J. Phys. Soc. Jpn.
Volume: 86
Issue: 3
Pages: 034707-034707
DOI
Related Report
Peer Reviewed / Acknowledgement Compliant
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[Journal Article] Anisotropic B-T Phase Diagram of Non-Kramers System PrRh2Zn202017
Author(s)
T. Yoshida, Y. Machida, K. Izawa, Y. Shimada, N. Nagasawa, T. Onimaru, T. Takabatake, A. Gourgout, A. Pourret, G. Knebel, and J.-P. Brison
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Journal Title
J. Phys. Soc. Jpn. (Editor’s choice)
Volume: 86
Issue: 4
Pages: 044711-044711
DOI
NAID
Related Report
Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
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[Journal Article] Quadrupole-Driven Non-Fermi Liquid and Magnetic-Field Induced Heavy Fermion States in a Non-Kramers Doublet System2016
Author(s)
T. Onimaru, K. Izawa, K. T. Matsumoto, T. Yoshida, Y. Machida, T. Ikeura, K. Wakiya, K. Umeo, S. Kittaka, K. Araki, T. Sakakibara, T. Takabatake
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Journal Title
Phys. Rev. B
Volume: 94
Issue: 7
DOI
Related Report
Peer Reviewed / Acknowledgement Compliant
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[Journal Article] Anomalous Enhancement of Seebeck Coefficient in Pr-Based 1-2-20 System with Non-Kramers Doublet Ground States2015
Author(s)
Y. Machida, T. Yoshida, T. Ikeura, K. Izawa, A. Nakama, R. Higashinaka, Y. Aoki, H. Sato, A. Sakai, S. Nakatsuji, N. Nagasawa, K. Matsumoto, T. Onimaru, T. Takabatake
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Journal Title
Journal of Physics: Conference Series
Volume: 592
Pages: 0120251-9
DOI
Related Report
Peer Reviewed / Open Access
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[Presentation] 強相関立方晶Pr化合物における4f基底状態を反映した角度分解内殻光電子スペクトル線二色性の観測2017
Author(s)
濵本諭, 藤岡修平, 金井惟奈, 山神光平, 中谷泰博, 藤原秀紀, 木須孝幸, 東谷篤志, 山崎篤志, 門野利治, 今田真, 田中新, 玉作賢治, 矢橋牧名, 石川哲也, 松本圭介, 鬼丸孝博, 高畠敏郎, 関山明
Organizer
日本物理学会2017年春季大会
Place of Presentation
大阪大学 豊中キャンパス
Year and Date
2017-03-17
Related Report
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[Presentation] PrT2Zn20(T=Ir, Rh)のパルス強磁場中磁気抵抗測定2016
Author(s)
三田村裕幸, E. Kampert, T. Foerster, K. Goetze, S. Zherlitsyin, J. Wosnitza, 榊原俊郎, 脇舎和平, 松本圭介, 鬼丸孝博, 高畠敏郎
Organizer
日本物理学会2016年秋季大会
Place of Presentation
金沢大学 角間キャンパス
Year and Date
2016-09-13
Related Report
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[Presentation] 四極子秩序をもつPrPb3の高圧物性2016
Author(s)
郷地順, 石垣賢卯, Bosen Wang, 上床美也, 狩野みか, 鬼丸孝博, 鈴木博之, 榊原俊郎
Organizer
日本物理学会2016年秋季大会
Place of Presentation
金沢大学 角間キャンパス
Year and Date
2016-09-13
Related Report
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[Presentation] 非弾性X線散乱によるPrT2Zn20 (T=Rh, Ir)のフォノン分散測定2015
Author(s)
脇舎和平, 鬼丸孝博, 筒井智嗣, 松本圭介, 長澤直裕, 上西和登, 山口智弘, 山根悠, 高畠敏郎, Alfred Q. R. Baron, 長谷川巧, 荻田典男, 宇田川眞行
Organizer
日本物理学会2015年秋季大会
Place of Presentation
関西大学千里山キャンパス
Year and Date
2015-09-16
Related Report
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[Presentation] Low-energy optical phonon modes in caged compounds RT2Zn20 (R: rare earth, T: transition metal)2014
Author(s)
K. Wakiya, T. Onimaru, S. Tsutsui, K. T. Matsumoto, N. Nagasawa, T. Takabatake, A. Q. R. Baron, T. Hasegawa, N. Ogita, M. Udagawa
Organizer
International Conference on Strongly Correlated Electron Systems (SCES2014)
Place of Presentation
Grenoble, France
Year and Date
2014-07-07 – 2014-07-11
Related Report
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