热电发电器能够将热能直接转换成电能,具有无污染、寿命长和可靠性高等优点,在余热回收、废热利用、地热开发等方面有广泛的应用前......

Polycrystalline La-doped CaMnO3 ceramics have been prepared by a solid-state sintering method.Analysis of microstructure......