河南师范大学学报（自然科学版）
河南師範大學學報（自然科學版）
하남사범대학학보（자연과학판）
JOURNAL OF HENAN NORMAL UNIVERSITY(NATURAL SCIENCE)
2011年
2期
62-64,67
,共4页
孙超伦%李旭升%宋爱琴%熊永红
孫超倫%李旭升%宋愛琴%熊永紅
손초륜%리욱승%송애금%웅영홍
钙钛矿%阻温特性%团簇效应
鈣鈦礦%阻溫特性%糰簇效應
개태광%조온특성%단족효응
用固相反应法制备了(La0.67Ca0.33MnO3)1-x/(SrBi2 Ta2 O9)x,其中x=0,0.005,0.01,0.015,0.02,0.03,0.05,0.07,0.10,0.15,0.20,0.25,并对样品的电输运性质进行了一系列的研究.结果表明；随着掺杂物质SrBi2 Ta2 O9 (SBT)的增加,复合物的电阻率变化呈现:增大—减小—增大的趋势.文中对这一现象产生的原因进行了解释.
用固相反應法製備瞭(La0.67Ca0.33MnO3)1-x/(SrBi2 Ta2 O9)x,其中x=0,0.005,0.01,0.015,0.02,0.03,0.05,0.07,0.10,0.15,0.20,0.25,併對樣品的電輸運性質進行瞭一繫列的研究.結果錶明；隨著摻雜物質SrBi2 Ta2 O9 (SBT)的增加,複閤物的電阻率變化呈現:增大—減小—增大的趨勢.文中對這一現象產生的原因進行瞭解釋.
용고상반응법제비료(La0.67Ca0.33MnO3)1-x/(SrBi2 Ta2 O9)x,기중x=0,0.005,0.01,0.015,0.02,0.03,0.05,0.07,0.10,0.15,0.20,0.25,병대양품적전수운성질진행료일계렬적연구.결과표명；수착참잡물질SrBi2 Ta2 O9 (SBT)적증가,복합물적전조솔변화정현:증대—감소—증대적추세.문중대저일현상산생적원인진행료해석.
