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Type: Artigo de periódico
Title: Understanding the inverse magnetocaloric effect in antiferro- and ferrimagnetic arrangements
Author: von Ranke, PJ
de Oliveira, NA
Alho, BP
Plaza, EJR
de Sousa, VSR
Caron, L
Reis, MS
Abstract: The inverse magnetocaloric effect occurs when a magnetic material cools down under applied magnetic field in an adiabatic process. Although the existence of the inverse magnetocaloric effect was recently reported experimentally, a theoretical microscopic description is almost nonexistent. In this paper we theoretically describe the inverse magnetocaloric effect in antiferro- and ferrimagnetic systems. The inverse magnetocaloric effects were systematically investigated as a function of the model parameters. The influence of the Neel and the compensation temperature on the magnetocaloric effect is also analyzed using a microscopic model.
Country: Inglaterra
Editor: Iop Publishing Ltd
Rights: fechado
Identifier DOI: 10.1088/0953-8984/21/5/056004
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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