TM271
[Liu Ning, Tong Wei, Guo Huanyin, Peng Zhensheng, Yan Guoqing. The Magnetic, Electrical Behavior of La0.67-xSmxSr0.33MnO3 (x=0.40, 0.50, 0.60) System[J]. Rare Metal Materials and Engineering,2006,35(3):343~347.]DOI：[doi]