Superconductivity超导现象One of the earliest properties investigated in the laboratories at Leiden was the resistance of metal wires. It was measured by finding the voltage, or potential difference, betwe
河北工业大学博士学位论文钙钛矿结构锰氧化物La<,0.67-x>R<,x>Ca<,0.33>MnO<,3>中的电磁性质及红外吸收姓名:***申请学位级别:博士拉布拉多幼犬图片专业:材料物理与化学指导教师:***20061101钙钛矿结构锰氧化物La0.67-x R x Ca0.33MnO3中的电磁性质及红外吸收摘要本论文系统地研究了具有巨磁电阻效应钙