Effects of A-site doping on microstructure and phase separation of La0.5RE0.2Sr0.3MnO3 (RE=Eu, Ho, Yb, Lu)
文献类型:期刊论文
作者 | B. Z. Sun ; L. L. He ; F. Luo ; C. H. Yan |
刊名 | Materials Letters
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出版日期 | 2005 |
卷号 | 59期号:12页码:1507-1510 |
关键词 | ionic radius crystalline structure lattice constants orthorhombic perovskite hexagonal non-perovskite magnetoresistance perovskites films |
ISSN号 | 0167-577X |
中文摘要 | Phase separation and microstructure of La0.7Sr0.3MnO3 doped with rare earth elements (Eu, Ho, Yb and Lu) are studied using X-ray diffraction (XRD) and transmission electron microscopy (TEM). Composition and diffraction analyses demonstrate that the ionic radius of doping element plays an important role in the crystalline structure and the lattice constants of the secondary phase. When La 3 is replaced partly by Eu3+ or Ho3+, orthorhombic perovskite structure with space group Pnma is formed due to the distortion Of MnO6 octahedra. Different from the phenomenon observed by Huang et al., however, the hexagonal non-perovskite structure (YbMnO3 and LuMnO3) has appeared when La3+ and Sr2+ are substituted completely by Lu or Yb (c) 2005 Elsevier B.V. All rights reserved. |
原文出处 | |
公开日期 | 2012-04-14 |
源URL | [http://ir.imr.ac.cn/handle/321006/35041] ![]() |
专题 | 金属研究所_中国科学院金属研究所 |
推荐引用方式 GB/T 7714 | B. Z. Sun,L. L. He,F. Luo,et al. Effects of A-site doping on microstructure and phase separation of La0.5RE0.2Sr0.3MnO3 (RE=Eu, Ho, Yb, Lu)[J]. Materials Letters,2005,59(12):1507-1510. |
APA | B. Z. Sun,L. L. He,F. Luo,&C. H. Yan.(2005).Effects of A-site doping on microstructure and phase separation of La0.5RE0.2Sr0.3MnO3 (RE=Eu, Ho, Yb, Lu).Materials Letters,59(12),1507-1510. |
MLA | B. Z. Sun,et al."Effects of A-site doping on microstructure and phase separation of La0.5RE0.2Sr0.3MnO3 (RE=Eu, Ho, Yb, Lu)".Materials Letters 59.12(2005):1507-1510. |
入库方式: OAI收割
来源:金属研究所
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