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Possible abnormal mechanism for lattice strain relaxation in La0.7Ca0.3MnO3 thin film
Tan, WS; Jia QJ(贾全杰); Jia, QJ; Gao, J
2005
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS B
卷号19期号:15-17页码:2415-2420
通讯作者Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China
文章类型Article; Proceedings Paper
摘要La0.7Ca0.3MnO3(LCMO) thin films with the thickness of 50 nm were deposited on (001)-oriented single crystal SrTiO3(STO), MgO and alpha-Al2O3(ALO) by 90 degrees off-axis radio frequency magnetron sputtering. Grazing incidence X-ray diffraction technique, associated with normal X-ray diffraction, was performed to measure the in-plane lattice parameter and investigate the lattice strain and strain relaxation in LCMO films. The results indicated that critical thickness of strain relaxation is very small, which may be related to large mismatch between film and substrate. The mechanism for strain relaxation in LCMO film is perhaps different from that for tetragonal distortion.
关键词La0.7Ca0.3MnO3 film grazing incidence X-ray diffraction strain relaxation in-plane lattice parameter
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1142/S0217979205031079
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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:000231237000018
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239746
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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Tan, WS,Jia QJ,Jia, QJ,et al. Possible abnormal mechanism for lattice strain relaxation in La0.7Ca0.3MnO3 thin film[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS B,2005,19(15-17):2415-2420.
APA Tan, WS,贾全杰,Jia, QJ,&Gao, J.(2005).Possible abnormal mechanism for lattice strain relaxation in La0.7Ca0.3MnO3 thin film.INTERNATIONAL JOURNAL OF MODERN PHYSICS B,19(15-17),2415-2420.
MLA Tan, WS,et al."Possible abnormal mechanism for lattice strain relaxation in La0.7Ca0.3MnO3 thin film".INTERNATIONAL JOURNAL OF MODERN PHYSICS B 19.15-17(2005):2415-2420.
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