Spin glass behavior in an antiferromagnetic non-frustrated lattice: Sr2FeNbO6 perovskite

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Title:	Spin glass behavior in an antiferromagnetic non-frustrated lattice: Sr2FeNbO6 perovskite
Author:	Rodríguez Solá, Raúl; Fernandez, Alberto; Isalgué Buxeda, Antonio; Rodriguez, Juan; Labarta, Amilcar; Tejada, Javier; Obradors, Xavier
Other authors:	Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear; Universitat Politècnica de Catalunya. Departament de Física Aplicada; Universitat Politècnica de Catalunya. AIEM - Arquitectura, energia i medi ambient
Abstract:	From magnetic susceptibility and hysteresis loop measurements on the cubic perovskite Sr2FeNbO6, it is shown that a spin glass transition does exist in this compound which has a non-frustrated lattice, and only antiferromagnetic interactions. This experimental result allows us to conclude that lattice frustration is not an essential feature for the spin glass transition in antiferromagnetic insulators. Moreover, it is argued that short-range atomic correlations, which modify the magnetic phase diagrams of the diluted compounds, make this spin glass transition possible
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria química::Química física -Electrochemistry -Perovskite -Electroquímica -Perovskita
Rights:	Attribution-NonCommercial-NoDerivs 3.0 Spain http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Document type:	Article - Published version Article
Published by:	The Institute of Physics
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