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Spin glass behavior in Sr2Mn0.7Fe0.3MoO6
Wang, Xianjie Sui, Yu Li, Yao Xu, Miao Wang, Wendong Liu, Pan Tang, Jinke
Wang, Xianjie
Sui, Yu
Li, Yao
Xu, Miao
Wang, Wendong
Liu, Pan
Tang, Jinke
Abstract
Description
In this paper, we present a detailed study of the dc magnetization, ac susceptibility and aging effect in a polycrystalline Sr2Mn0.7Fe0.3MoO6 sample. Based on the tetragonal I 4/m space group, the XRD pattern is well refined, which shows that the sample is crystallized in a single phase double-perovskite structure without impurity phase. The dc magnetization, ac susceptibility, heat capacity, aging experiments and fitting results show the existence of the spin glass behavior in the sample. The spin glass behavior originates from the competition between the ferromagnetic and antiferromagnetic couplings due to the magnetic frustration at the interface of ferromagnetic and antiferromagnetic clusters in the phase separate sample.
Date
2011-04-07
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University of Wyoming. Libraries
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Keywords
Physical Sciences and Mathematics