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块体La<,0.5>Lu<,0.2>Sr<,0.3>MnO<,3>微孪晶的TEM研究
孙本哲; 贺连龙
2004-08-20
Conference Name第十三届全国电子显微学会议
Source Publication电子显微学报/2004.4
Conference Date2004-08-20
Conference Place威海
Publication Place北京
Publisher《电子显微学报》编辑部
Abstract在La<,0.5>Lu<,0.2>Sr<,0.3>MnO<,3>锰氧化物中掺杂其它稀土元素来提高和改善巨磁电阻效应,近年来已成为研究的热点并有相关报道.Huang等人提出了Lu的掺杂量与磁阻性能的直接关系,指出这种联系主要来自于两种磁有序相的共存和相互竞争.然而,其内部微观结构,缺陷(孪晶,层错等)及成分分布尚不清楚.本文主要报道了Sr的引入导致六方相及其内部微孪晶的形成,其结构组成,成分及缺陷分别在XRD、EDS和JEOL2010高分辨电镜上分析.
description.department中国科学院金属研究所沈阳国家(联合)实验室(辽宁沈阳)
Keyword微孪晶 La< 0.5>lu< 0.2>sr< 微观结构 0.3>mno< 稀土掺杂 3>锰氧化物 电镜观察
Funding Organization中国物理学会
Language中文
Document Type会议论文
Identifierhttp://ir.imr.ac.cn/handle/321006/70234
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
孙本哲,贺连龙. 块体La<,0.5>Lu<,0.2>Sr<,0.3>MnO<,3>微孪晶的TEM研究[C]. 北京:《电子显微学报》编辑部,2004.
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