Electrical transport and glassy response in strained thin La0.7Ca0.3MnO3 films

V. Markovich, E. S. Vlakhov, Y. Yuzhelevskii, B. Blagoev, K. A. Nenkov, G. Gorodetsky

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18 Scopus citations

Abstract

Magnetotransport properties of La0.7Ca0.3MnO3 thin films deposited on (100) LaAlO3 substrate were investigated. The balance between the charge ordered insulating phase and ferromagnetic metallic phase may account for a number of glassy features such as significant hysteresis, memory effects, and long-time resistivity relaxation. It was found that the resistance of La0.7Ca0.3MnO3 thin film decreases significantly upon applying an electric current, in a wide temperature range 10-220K. The magnetotransport properties of the strained thin films are discussed in the context of cross coupling of charge, spin, and strain.

Original languageEnglish
Article number134414
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume72
Issue number13
DOIs
StatePublished - 1 Oct 2005

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