尖晶石型结构的氧化物是一类常用的热敏材料和半导体磁性材料。其导电机理的研究,对提高热敏元件和磁性材料的性能很有意义,也能为建立普遍的氧化物导电理论提供依据。通过细分度R-T测试观察激活能变化,测定Hall系数,Seebeek效应确定载流子浓度和迁移率、费米能级等电学参数,分析这些参数并和基于具体材料结构的理 Spinel-type oxide is a common type of thermal materials and semiconductor magnetic materials. The study of its conducting mechanism is of great significance to improve the performance of thermal sensors and magnetic materials, and can also provide the basis for the establishment of a general theory of oxide conductivity. Observing the change of activation energy through the subdivision R-T test, determining the Hall coefficient, Seebeek effect to determine the carrier concentration and mobility, the Fermi level and other electrical parameters, analyzing these parameters and analyzing them based on the specific material structure