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Updated: Sep 10, 2025

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超偏磁铁氧化物纳米颗粒的微波加热以实现基于环境高热的应用

Dilara Hatinoglu1,2, Seung Soo S Lee3, Manisha Choudhary1

  • 1University of Maine, Civil and Environmental Engineering, Orono, Maine 04469, United States.

ACS applied materials & interfaces
|August 25, 2025
PubMed
概括

超偏磁铁氧化物纳米粒子 (SPION) 显示尺寸依赖的磁性和微波反应性. 17纳米的SPION显示了环境超热应用的最佳超偏磁性和加热效率.

关键词:
铁氧化物磁化方式微波反应性纳米材料纳米技术

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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...
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