Magnetically correlated I-V nonlinearity and electrical transport property of the double-layered perovskite La1.8Ca1.2Mn2O7 compound
双层钙钛矿La1.8Ca1.2Mn2O7磁性相关I-V非线性与电输运性质

Keywords: double-layered perovskite manganites,I-V nonlinearity,magnetic Schottky barrier,magnetic-electric coupling
双层钙钛矿锰氧化物,I-V非线性,晶界磁性势垒,磁电耦合

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用传统固相反应法制备了双层钙钛矿结构锰氧化物La1.8Ca1.2Mn2O7陶瓷,并用X射线粉末衍射法,扫描电镜,HL5500PC Hall效应分析仪和综合物性测量系统(PPMS)对其磁、电性质进行了表征.结果表明:经过两次高温烧结可合成具有双层Sr3Ti2O7型四方结构的La1.8Ca1.2Mn2<

Full-Text