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The FeRh compound has been known for a long time as an itinerant magnet with a peculiar first-order antiferromagnetic (AFM)-to-ferromagnetic (FM) transition near room temperature. Although a lot of work has been done, the origin of the physical properties associated with the AFM ↔ FM transition is still an ongoing debate and needs deeper investigation using good single crystals. Here, we report on the single-crystal growth of FeRh from the AuPb flux and confirm it by x-ray crystallographic methods such as Laue diffraction, four-circle diffractometer measurements, and electron probe microanalyzer elemental analysis. The temperature dependence of magnetization in our single crystals below the AFM ↔ FM transition shows an anomalous cascadelike multiple transition behavior, which is obviously very different from the reported results previously. It is only such high-quality single crystals grown here that will pave the way for a comprehensive understanding of the longstanding issues of the FeRh compound.

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• In Copyright
  

  ©2024 American Physical Society

Keyword: FeRh, single crystal, AuPb flux

Date published: 2024-02-13

Publisher: American Physical Society (APS)

Journal:

• Physical Review Materials (ISSN: 24759953) vol. 8 issue. 2 023401

Funding:

• Ministry of Education, Culture, Sports, Science and Technology 2023B0151

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5061

First published URL: https://doi.org/10.1103/physrevmaterials.8.023401

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Updated at: 2024-12-02 16:30:40 +0900

Published on MDR: 2024-12-02 16:30:40 +0900