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Influence of Fe in the local structure of perovskite compound La2/3Ca1/3Fe1-xMnxO3
Wei L(魏龙); Wang YB(王耘波); Wang HY(王辉耀); Yue Y(岳勇); Wang TM(王天民); Zhang TB(张天保); Wei, L; Wang, YB; Wang, HY; Yue, Y; Wang, TM; Zhang, TB; Cao, GH
2000
发表期刊CHINESE PHYSICS LETTERS
卷号17期号:6页码:446-447
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing 100080, Peoples R China ; Beijing Univ Aeronaut & Astronaut, Sch Sci, Beijing 100083, Peoples R China ; Beijing Univ Sci & Technol, Dept Met Phys, Beijing 100083, Peoples R China
文章类型Article
摘要The ceramic samples with nominal composition of La2/3Ca1/3Mn1-xFexO3 (0.01 less than or equal to x less than or equal to 0.20) were prepared by solid state reaction method. The effect of Fe doping on the Mn site was measured by the positron annihilation technique and Mossbauer spectroscopy. Upon doping, no appreciable structure change and electronic structure change in Mn-O plane were observed in the series of compounds. The Mossbauer parameters show that the iron probe has stable 3+ valance with the high spin state in all samples. Moreover, by examining the shape of the spectra, the tendence can be found that the isomer shift and quadruploe splitting increase with the increasing Fe+3 content. This phenomenon shows the local lattice distortion and the localization of d-electrons with the increasing Fe-doping content.
学科领域Physics
研究领域[WOS]Physics ; Physics
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000087926100022
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237516
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Wei L,Wang YB,Wang HY,et al. Influence of Fe in the local structure of perovskite compound La2/3Ca1/3Fe1-xMnxO3[J]. CHINESE PHYSICS LETTERS,2000,17(6):446-447.
APA 魏龙.,王耘波.,王辉耀.,岳勇.,王天民.,...&Cao, GH.(2000).Influence of Fe in the local structure of perovskite compound La2/3Ca1/3Fe1-xMnxO3.CHINESE PHYSICS LETTERS,17(6),446-447.
MLA 魏龙,et al."Influence of Fe in the local structure of perovskite compound La2/3Ca1/3Fe1-xMnxO3".CHINESE PHYSICS LETTERS 17.6(2000):446-447.
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