Field-induced insulator-metal transition in EuTe

Takeuchi, Tetsuya*; Honda, Fuminori*; Aoki, Dai*; Haga, Yoshinori ; Kida, Takanori*; Narumi, Yasuo*; Hagiwara, Masayuki*; Kindo, Koichi*; Karube, Kosuke*; Harima, Hisatomo*; Onuki, Yoshichika*

Electrical and magnetic properties of divalent europium antiferromagnet EuTe are studied on single crystals grown from Te-flux method. Antiferromagnetism occurs at 11 K with an insulating ground state. Application of magnetic field induces a sudden resistance drop leading to a phase transition to metallic state. Energy band calculations reveal the appearance of a Fermi surface pocket with Te-5p character induced by the polarized Eu moments.

Language	:	English
Journal	:	Journal of the Physical Society of Japan
Volume	:	93
Number	:	4
Pages	:	p.044708_1 - 044708_10
Publication Year/Month	:	2024/04
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Paper URL	:	https://doi.org/10.7566/JPSJ.93.044708
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	Antiferromagnetism; Europium; Band Structure
Research Facility	:	第4研究棟
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Article of JAEA R&D Review	:
Cooperating Institute	:	大阪大学

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Registration No. : AA20240010
JAEA Abstracts No. : 52000501
Paper Submission No. : 27922

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