Magnetic and electronic properties of URuSi revealed by comparison with nonmagnetic references ThRuSi and LaRuSi

Emi, Naoya*; Hamabata, Ryosuke*; Nakayama, Daisuke*; Miki, Toshihiro*; Koyama, Takehide*; Ueda, Koichi*; Mito, Takeshi*; Kohori, Yo*; Matsumoto, Yuji*; Haga, Yoshinori ; Yamamoto, Etsuji ; Fisk, Z.*; Tsujii, Naohito*

NMR/NQR measurements have been carried out on ThRuSi and LaRuSi which are the nonmagnetic references of the heavy fermion URuSi. Ru-NQR measurements suggest the relatively close electronic configuration between ThRuSi and URuSi at high temperature. However, significant delocalization was observed in URuSi at low temperatures. Si-NMR experiments on URuSi revealed Ising-like spin fluctuations in the hidden-order state.

Language	:	English
Journal	:	Journal of the Physical Society of Japan
Volume	:	84
Number	:	6
Pages	:	p.063702_1 - 063702_4
Publication Year/Month	:	2015/06
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Patent information	:
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Paper URL	:	https://doi.org/10.7566/JPSJ.84.063702
DOI for research data	:
Keywords	:	uranium compounds; heavy fermion; superconductivity
Research Facility	:	第4研究棟
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:	兵庫県立大学

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Registration No. : AA20150197
JAEA Abstracts No. : 43001081
Paper Submission No. : 16178

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