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|Title:||Magnetic circular dichroism in nanostructured hematite|
|Author:||Castro, A. R. B. de|
Zysler, R. D.
Mansilla, M. V.
|Abstract:||We have measured magnetic circular dichroism at room temperature in nanostructured hematite alpha -Fe2O3, which is antiferromagnetic in bulk. The dichroism was measured at the Fe L edge. Samples with very different colloidal sizes showed essentially equal dichroism signals. We conclude that the dichroism is originated at the core of the nanoparticles, as opposed to the net magnetic moment, which is believed to originate in the surface layer of the colloids.|
Dicroísmo circular magnético
|Citation:||Journal Of Magnetism And Magnetic Materials. Elsevier Science Bv, v. 231, n. 41700, n. 287, n. 290, 2001.|
|Appears in Collections:||IFGW - Artigos e Outros Documentos|
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