期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 322, 期 21, 页码 3381-3384出版社
ELSEVIER
DOI: 10.1016/j.jmmm.2010.06.031
关键词
Charge disproportionation; Pressure effect; Spin state transition
资金
- State Key Project of Fundamental Research, China [2010CB923403]
The physical properties of La0.5Ba0.5FeO3 perovskite have been investigated. The resistivity and magnetism change at around the charge disproportionation temperature. The ferromagnetic cluster-glass state appears when T < 115 K. Under 5 kbar pressure a new phase transition at 5.5 K is found in the magnetization measurement. The transition temperature increases with the increase of the applied pressure. It is suggested that this transition is induced by the spin state transition from to with the pressure increase. (C) 2010 Elsevier B.V. All rights reserved.
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