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	Role of columnar grain size in magnetization of La0.8MnO3 thin films grown by pulsed laser deposition
	Wang, CC ; Wang, H ; Zheng, X ; Zhu, J
	2010-05-10 ; 2010-05-10
关键词	MAGNETORESISTIVE PROPERTIES GIANT MAGNETORESISTANCE DOUBLE-EXCHANGE MICROSTRUCTURE LA0.7CA0.3MNO3 LA1-XSRXMNO3 TEMPERATURE RESISTIVITY BEHAVIOR STRAIN Materials Science, Multidisciplinary Physics, Applied
中文摘要	La0.8MnO3 thin films have been deposited on (100) SrTiO3 substrates at different substrate temperatures by a pulsed laser deposition method. Electronic transport measurements show that a higher substrate temperature results in lower resistivity and higher insulator-metal transition temperature. Transmission electron microscope studies reveal that all the films exhibit a feature of columnar structure with the grain size decreasing with substrate temperature. We argue that the columnar grain size strongly affects the ferromagnetic transition temperature and, in turn, dominates the resistivity behavior. Based on this point, other effects, such as of annealing and film thickness, on the electronic properties are also discussed.
语种	英语 ; 英语
出版者	SPRINGER ; NEW YORK ; 233 SPRING STREET, NEW YORK, NY 10013 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/20758]
专题	清华大学
推荐引用方式 GB/T 7714	Wang, CC,Wang, H,Zheng, X,et al. Role of columnar grain size in magnetization of La0.8MnO3 thin films grown by pulsed laser deposition[J],2010, 2010.
APA	Wang, CC,Wang, H,Zheng, X,&Zhu, J.(2010).Role of columnar grain size in magnetization of La0.8MnO3 thin films grown by pulsed laser deposition..
MLA	Wang, CC,et al."Role of columnar grain size in magnetization of La0.8MnO3 thin films grown by pulsed laser deposition".(2010).

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