%0 Journal Article
%T Magnetically correlated I-V nonlinearity and electrical transport property of the double-layered perovskite La1.8Ca1.2Mn2O7 compound<br>双层钙钛矿La1.8Ca1.2Mn2O7磁性相关I-V非线性与电输运性质
%A Deng Heng
%A Yang Chang-Ping
%A Huang Chang
%A Xu Ling-Fang
%A <br>邓恒
%A 杨昌平
%A 黄昌
%A 徐玲芳
%J 物理学报
%D 2010
%I 
%X 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<
%K double-layered perovskite manganites
%K I-V nonlinearity
%K magnetic Schottky barrier
%K magnetic-electric coupling<br>双层钙钛矿锰氧化物
%K I-V非线性
%K 晶界磁性势垒
%K 磁电耦合
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=6FFCA9EBB95E4F9B7169BCD593F6AEDC&yid=140ECF96957D60B2&vid=6AC2A205FBB0EF23&iid=F3090AE9B60B7ED1&sid=7A018928E89D9B28&eid=2DFF96CA7532B5DE&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=20