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Updated: Jul 17, 2026

Fabrication of Spatially Confined Complex Oxides
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单分散超偏磁铁/纳米球复合材料的合成

Pedro Tartaj1, Carlos J Serna

  • 1Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, 28049, Madrid, Spain. ptartaj@icmm.csic.es

Journal of the American Chemical Society
|December 18, 2003
PubMed
概括

研究人员开发了一种多功能方法来创建超偏磁纳米球复合材料. 这种新技术使得可调节的颗粒大小和排列能够适用于潜在的生物技术应用.

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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...