Lattice effect on magnetic and electrical properties of Ln2/3Pb1/3MnO3 (Ln=La, Pr, Nd) films

被引：0

作者：

Han, Li'an ^{[1
]}

Yang, Huaping ^{[1
]}

He, Yongjun ^{[1
]}

机构：

[1] Department of Basic Courses, Xi'an University of Science and Technology, Xi'an 710054, China

来源：

Journal of Materials Science and Technology | 2008年 / 24卷 / 05期

关键词：

Films;

D O I：

暂无

中图分类号：

TQ174 [陶瓷工业];

学科分类号：

摘要：

Lattice effect on magnetic and electrical transport properties of Ln2/3Pb1/3MnO3 (Ln=La, Pr, Nd) films prepared by RF magnetron sputtering technique were investigated. With the decrease of the average ions radius A>, the structure of Ln2/3Pb1/3MnO3 (Ln=La, Pr, Nd) targets transit from the rhombohedral phase to the orthorhombic phase, and the Curie temperature reduces rapidly with the decrease of A>. The electrical properties show that films are the metallic state which can be fitted to the formula: ρ(T)=ρ0 + ρ1T2 + ρ2T4.5 at low temperatures. The temperature range of the ferromagnetic metallic state becomes narrow with the decrease of A>. The phenomenon can be explained by the lattice effect.

引用

页码：709 / 711