[Tang Yonggang, Liu Ning, Guo Huanyin, Peng Zhensheng, Yan Guoqing, Mao Qiang. Influence of Na Doping at Sr Site on Crystal Structure and Magnetic-Electric Properties in La0.67Sr0.33MnO3 System[J]. Rare Metal Materials and Engineering,2007,36(5):903~906.]
DOI：[doi]