Antiferromagnetic Order in the Rare-Earth Halide Perovskites CsEuBr3 and CsEuCl3

Daniel B. Straus; Tomasz Klimczuk; Xianghan Xu; Robert J. Cava

doi:10.1021/acs.chemmater.2c03051

Antiferromagnetic Order in the Rare-Earth Halide Perovskites CsEuBr3 and CsEuCl3

Abstract

Bulk CsEuBr3 and CsEuCl3 are experimentally shown to be magnetic semiconductors that order antiferromagnetically at Néel temperatures of 2.0 K and 1.0 K, respectively. Given that nanoparticles and thin films of CsEuCl3 have been reported to order ferromagnetically at a similar temperature, our observation of antiferromagnetic ordering in CsEuBr3 and CsEuCl3 expands the possible applications of halide perovskites to now include spintronic devices where both ferromagnetic and antiferromagnetic devices can be fabricated from a single material. The conclusion that CsEuCl3 can be used as a switchable magnetic material is also supported by our density-functional theory calculations.

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Keywords

ANTYFERROMAGNETYZM, SYNTEZA, PEROWSKITY

Details

Category:

Articles

Type:

artykuły w czasopismach

Published in:

CHEMISTRY OF MATERIALS no. 34, pages 10772 - 10777,
ISSN: 0897-4756

Language:

English

Publication year:

2022

Bibliographic description:

Straus D. B., Klimczuk T., Xu X., Cava R. J.: Antiferromagnetic Order in the Rare-Earth Halide Perovskites CsEuBr3 and CsEuCl3// CHEMISTRY OF MATERIALS -Vol. 34,iss. 23 (2022), s.10772-10777

DOI: