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Type: Artigo de periódico
Title: Exchange-bias-like effect in Pr0.75Tb0.25Al2 and Pr0.7Tb0.3Al2 samples
Author: Tedesco, JCG
Pires, MJM
Carvalho, AMG
de Sousa, VSR
Cardoso, LP
Coelho, AA
Abstract: The magnetic behavior of pseudobinary Pr0.7Tb0.3Al2 and Pr0.75Tb0.25Al2 compounds was studied, and a predominant ferrimagnetic ordering was observed. Noteworthy characteristics such as negative magnetization, compensation points and exchange-bias-like (EB-like) effect were found. This EB-like effect was observed at temperatures below the compensation points. The effect is somewhat different from the one already studied in similar systems combining light and heavy rare earths. The results indicate that the EB-like effect characteristics are related to the conduction electron magnetic polarization and an induced unidirectional anisotropy present in these compounds. (c) 2013 Elsevier B.V. All rights reserved.
Subject: Ferrimagnetism
Rare earth intermetallic
Exchange bias
Country: Holanda
Editor: Elsevier Science Bv
Citation: Journal Of Magnetism And Magnetic Materials. Elsevier Science Bv, v. 339, n. 6, n. 10, 2013.
Rights: fechado
Identifier DOI: 10.1016/j.jmmm.2013.02.049
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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