Electrical transport and glassy response in strained thin La0.7Ca0.3MnO3 films -: art. no. 134414

被引：18

作者：

Markovich, V

Vlakhov, ES

Yuzhelevskii, Y

Blagoev, B

Nenkov, KA

Gorodetsky, G

机构：

[1] Ben Gurion Univ Negev, Dept Phys, IL-84105 Beer Sheva, Israel

[2] Bulgarian Acad Sci, Inst Solid State Phys, BU-1784 Sofia, Bulgaria

[3] Bulgarian Acad Sci, Inst Elect, BU-1784 Sofia, Bulgaria

[4] Inst Festkorper & Werkstofforsch Dresden, D-01171 Dresden, Germany

[5] Int Lab High Magnet Fields & Low Temp, PL-53421 Wroclaw, Poland

来源：

PHYSICAL REVIEW B | 2005年 / 72卷 / 13期

关键词：

D O I：

10.1103/PhysRevB.72.134414

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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 10-220 K. The magnetotransport properties of the strained thin films are discussed in the context of cross coupling of charge, spin, and strain.

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页数：8

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