期刊
JOURNAL OF PHYSICS-CONDENSED MATTER
卷 19, 期 26, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/19/26/266202
关键词
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The colossal electroresistance in manganites accompanies the insulator- to- metal phase transition induced by the electric field. A phenomenological phase transition model is proposed to study this electric field induced collapse of the charge- ordered phase. The hysteresis of the phase transition is well explained using the effective medium approximation. The volume fraction of the metallic region at the metal- to- insulator transition point is estimated as 30%.
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