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Type: Artigo
Title: Magnetic circular dichroism in nanostructured hematite
Author: Castro, A. R. B. de
Zysler, R. D.
Mansilla, M. V.
Arciprete, C.
Dimitrijewits, M.
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.
Subject: Hematita
Dicroísmo circular magnético
Country: Holanda
Editor: Elsevier
Citation: Journal Of Magnetism And Magnetic Materials. Elsevier Science Bv, v. 231, n. 41700, n. 287, n. 290, 2001.
Rights: fechado
Identifier DOI: 10.1016/S0304-8853(01)00206-2
Date Issue: 2001
Appears in Collections:IFGW - Artigos e Outros Documentos

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