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	Effects of substrate temperature and oxygen pressure on the magnetic properties and structures of CoFe2O4 thin films prepared by pulsed-laser deposition
	Zhou, Jian-ping ; He, Hong-cai ; Nan, Ce-Wen
	2010-05-10 ; 2010-05-10
关键词	cobalt ferrite crystal structures magnetism pulsed-laser deposition FERRITE FILMS COERCIVITY ANISOTROPY GROWTH Chemistry, Physical Materials Science, Coatings & Films Physics, Applied Physics, Condensed Matter
中文摘要	CoFe2O4 thin films were grown on silicon substrates by pulsed-laser deposition techniques at various temperatures from 350 degrees C to 700 degrees C and different pressures from 0.1 Pa to 10 Pa. The CoFe2O4 films with highly (1 1 1)-preferred orientation and smooth surfaces were obtained. The high coercivities of the films were attributed to the residual stress in the films, and the saturation magnetizations were mainly dependent on the oxygen pressure. Higher oxygen pressure could decrease the oxygen deficiencies in the films. Sufficient oxygen ions in the films enhanced the exchange interactions between the magnetic ions, as a result, increasing the saturation magnetization. (c) 2007 Elsevier B.V. All rights reserved.
语种	英语 ; 英语
出版者	ELSEVIER SCIENCE BV ; AMSTERDAM ; PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/20376]
专题	清华大学
推荐引用方式 GB/T 7714	Zhou, Jian-ping,He, Hong-cai,Nan, Ce-Wen. Effects of substrate temperature and oxygen pressure on the magnetic properties and structures of CoFe2O4 thin films prepared by pulsed-laser deposition[J],2010, 2010.
APA	Zhou, Jian-ping,He, Hong-cai,&Nan, Ce-Wen.(2010).Effects of substrate temperature and oxygen pressure on the magnetic properties and structures of CoFe2O4 thin films prepared by pulsed-laser deposition..
MLA	Zhou, Jian-ping,et al."Effects of substrate temperature and oxygen pressure on the magnetic properties and structures of CoFe2O4 thin films prepared by pulsed-laser deposition".(2010).

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