Mixed-valent manganites Pr1-xCaxMnO3 are the object of continuously growing interest in the field of superconductors and colossal magnetoresistance (CMR) materials.

• 混合价态的锰氧化物Pr1-xCaxMnO3薄膜是近年来国际上超导体以及巨磁电阻领域的研究热点之一.