采用半化学两步法合成了双钙钛矿氧化物LaPbMnSbO6,研究了其晶体结构和磁学性质.通过对XRD谱图进行Rietveld结构精修可以得到,该化合物为单斜晶系的P21/n(No.14)空间群,B位MnO6和SbO6八面体为岩盐有序结构.由于A位pb2离子的存在面产生二级Jahn-Teller效应,使得B位八面体内部晶格畸变具有各向异性.磁性测试表明该样品呈典型的反铁磁有序特征,反铁磁转变温度TN=9K.
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