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Updated: Jun 17, 2026

Fabrication of Spatially Confined Complex Oxides
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Fabrication of Spatially Confined Complex Oxides

Published on: July 1, 2013

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階層的なナノ構造の多機能フェロマグネットの迅速な製造

Yingxin Hua1, Xiaohong Li1, Jiaxu Li2

  • 1Center for Extreme Deformation Research, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China.

Science (New York, N.Y.)
|August 8, 2024
PubMed
まとめ

研究者は,物質のトレードオフを克服するために,階層的なナノ構造 (HNS) 戦略を開発しました. この新しいアプローチは磁石の電気抵抗性とエネルギー密度を高め,信頼性の高いデバイスの熱安定性を改善します.

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Ferromagnetism01:31

Ferromagnetism

Materials like iron, nickel, and cobalt consist of magnetic domains, within which the magnetic dipoles are arranged parallel to each other. The magnetic dipoles are rigidly aligned in the same direction within a domain by quantum mechanical coupling among the atoms. This coupling is so strong that even thermal agitation at room temperature cannot break it. The result is that each domain has a net dipole moment. However, some materials have weaker coupling, and are ferromagnetic at lower...