Lattice Effect on the Transport Properties in Double Doped La2/3(Ca1-xSrx)1/3MnO3 Films

材料科学技术（英）, 2005, 21(6): 891-893.

^1, , ^2, , ^3, , ^4, , ^5, , ^6,

1.Department of Applied Physics, Northwestern Polytechnical University, Xi'an 710072, China

2.Department of Applied Physics, Northwestern Polytechnical University, Xi'an 710072, China

3.Department of Applied Physics, Northwestern Polytechnical University, Xi'an 710072, China

4.Department of Applied Physics, Northwestern Polytechnical University, Xi'an 710072, China

5.Department of Applied Physics, Northwestern Polytechnical University, Xi'an 710072, China

6.State Key Lab of Laser Technology, Huazhong University of Sience and Technology, Wuhan 430074, China

基金项目: the National Natural Science Foundation of Shaanxi Provice(2001C21) 中国科学院资助项目(50331040) NWPU Doctor Foundation(cx200323)

Lattice Effect on the Transport Properties in Double Doped La2/3(Ca1-xSrx)1/3MnO3 Films

Keywords： Thin films

The transport properties in the La2/3(Ca1-xSrx)1/3MnO3 (x=0, 1/3, 2/3) films prepared using the RF magnetron sputtering method were investigated. The effect of the Ca, Sr double-doping at the A position in the La2/3A1/3 MnO3 on the structure of the targets and transport of the films has been studied. With the increase of x, the structures of the targets transform from the rhombohedral phase to the cubic phase; the metal-insulator phase transition temperature(Tp) of the films increases; and the corresponding peak resistivity decreases. All the phenomena can be qualitatively explained by the lattice effect.

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Lattice Effect on the Transport Properties in Double Doped La2/3(Ca1-xSrx)1/3MnO3 Films

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