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The effect of annealing temperatures on the microstructure of La0.5Ca0.5MnO3 films
Chen, XM; Wang, Y; Liu, CX; Zhao, YN; Li, M; Mai, ZH; Gong, WZ; Zhao, BR; Jia, CJ; Zheng, WL; Zheng WL(郑文莉)
2002
发表期刊MODERN PHYSICS LETTERS B
卷号16期号:27页码:1049-1059
通讯作者Chinese Acad Sci, Inst Phys, Natl Lab Superconduct, Beijing 100080, Peoples R China ; Chinese Acad Sci, Ctr Condensed Matter Phys, Beijing 100080, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100039, Peoples R China
文章类型Article
摘要La0.5Ca0.5MnO3 (LCMO) thin films grown by pulsed laser deposition (PLD) and annealed at different temperatures were investigated by high angle X-ray diffraction, atomic force microscope (AFM), scanning electron microscope (SEM), and energy dispersive spectroscopy (SEM-EDS). The lattice parameters, surface morphology as well as the metal compositions of the films were obtained. It was found that the surface morphology of the films strongly depends on the annealing temperatures. The difference of the thermal expansion coefficients between the film and the substrate plays an important role in determining the morphology of the film surface. It induces an in-plane compressive stress in the LCMO films. The strains in the film can be relaxed by nanoscale grains and cracks.
关键词microstructure annealing strain
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1142/S0217984902004573
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Applied ; Physics, Condensed Matter ; Physics, Mathematical
WOS记录号WOS:000180199100005
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被引频次:4[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/311005/238960
专题多学科研究中心
中国科学院高能物理研究所_人力资源处
作者单位中国科学院高能物理研究所
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GB/T 7714
Chen, XM,Wang, Y,Liu, CX,et al. The effect of annealing temperatures on the microstructure of La0.5Ca0.5MnO3 films[J]. MODERN PHYSICS LETTERS B,2002,16(27):1049-1059.
APA Chen, XM.,Wang, Y.,Liu, CX.,Zhao, YN.,Li, M.,...&郑文莉.(2002).The effect of annealing temperatures on the microstructure of La0.5Ca0.5MnO3 films.MODERN PHYSICS LETTERS B,16(27),1049-1059.
MLA Chen, XM,et al."The effect of annealing temperatures on the microstructure of La0.5Ca0.5MnO3 films".MODERN PHYSICS LETTERS B 16.27(2002):1049-1059.
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