Abrupt change in electronic states under pressure in new compound EuPtAl

Koizumi, Takatsugu*; Honda, Fuminori*; Sato, Yoshiki*; Li, D.*; Aoki, Dai*; Haga, Yoshinori ; Gochi, Jun*; Nagasaki, Shoko*; Uwatoko, Yoshiya*; Kaneko, Yoshio*; Onuki, Yoshichika*

A new ternary europium compound EuPtAl is reported. It orders antiferromagnetically at 12.4 K. Application of hydrostatic pressure varies the transition temperature and the compound becomes non-magnetic above the critical pressure 9 GPa. The pressure-temperature phase diagram is indicative of a possible valence crossover at the critical pressure.

Language	:	English
Journal	:	Journal of the Physical Society of Japan
Volume	:	91
Number	:	4
Pages	:	p.043704_1 - 043704_5
Publication Year/Month	:	2022/04
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Paper URL	:	https://doi.org/10.7566/JPSJ.91.043704
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	Europium; antiferromagnet; hydrostatic pressure effect
Research Facility	:	第4研究棟
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Article of JAEA R&D Review	:
Cooperating Institute	:	東北大学; 東京大学

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InCites™	:	Percentile:42.15 Category:Physics, Multidisciplinary
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Registration No. : AA20210752
JAEA Abstracts No. : 50000378
Paper Submission No. : 25128

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