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Description:

Neutron diffractometry plays a pivotal role in fundamental magnetism research, especially in determining magnetic structures. However, its application in practical magnetics was historically sparse due to the simplicity of ferromagnetic materials in conventional devices. Recent increase in utilization of materials with complex magnetic structures has introduced new challenges that necessitate advanced neutron techniques in applied magnetics. This study investigates the applicability of neutron Bragg-edge spectroscopy for developing practical magnetic materials, substantiating its effectiveness through experimental validations and theoretical analysis. We discuss the principles of Bragg-edge spectroscopy for magnetic materials, and highlight enhanced experimental throughput using multisample transmission spectroscopy. The study provides insights into the in-situ visualization of magnetic state distribution using Bragg-edge imaging, both post-assembly and during operational use. These results indicate that neutron Bragg-edge spectroscopy can address emerging needs in applied magnetics, offering significant advancements in the field.

Rights:

• Creative Commons BY Attribution 4.0 International
  

Keyword: Neutron Spectroscopy, Magnetic refrigerant, Soft-magnetic core

Date published: 2025-10-14

Publisher: AIP Publishing

Journal:

• Journal of Applied Physics (ISSN: 00218979) vol. 138 issue. 14 143904

Funding:

• Ministry of Education, Culture, Sports, Science and Technology 24NM5119
• Ministry of Education, Culture, Sports, Science and Technology JPJ009777
• Japan Society for the Promotion of Science 19H04400
• JST-Mirai Program JPMJMI18A3

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1063/5.0285904

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Updated at: 2025-10-21 16:06:20 +0900

Published on MDR: 2025-10-21 15:43:29 +0900