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	Kinetic-anisotropy-induced ordering-orientation transitions calculated in CoPt alloys under various epitaxial growth conditions
	Shi, Lin ; Ni, Jun
	2010-05-06 ; 2010-05-06
关键词	FEPT THIN-FILMS MOLECULAR-BEAM-EPITAXY MAGNETIC-PROPERTIES EXCHANGE MECHANISM UNDERLAYER AG MICROSTRUCTURE APPROXIMATION TEMPERATURE DIFFUSION Physics, Condensed Matter
中文摘要	We have investigated the epitaxial growth of CoPt alloy under various growth conditions. We find the equilibrium phase changes from the L1(0) [100] ordered structure to the L1(0) [001] ordered structure with the increase of the underlayer lattice constant parallel to the substrate plane. We show that there are two types of ordering-orientation transitions induced by kinetic anisotropy. When the lattice constant of underlayer is large, the ordered structure of CoPt films changes from the L1(0) [001] variant to the L1(0) [100] variant with the increase of growth rate. When the lattice constant of underlayer is small, the ordered structure of CoPt films changes from the L1(0) [100] variant to the L1(0) [001] variant, and then changes to L1(0) [100] variant with the increase of growth rate. These ordering-orientation transitions also occur with the decrease of temperature at adequate growth rate. We show that the underlayer with large lattice constant and the Pt buffer layer are suitable for the formation of the L1(0) [001] ordered structure.
语种	英语 ; 英语
出版者	AMER PHYSICAL SOC ; COLLEGE PK ; ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/15173]
专题	清华大学
推荐引用方式 GB/T 7714	Shi, Lin,Ni, Jun. Kinetic-anisotropy-induced ordering-orientation transitions calculated in CoPt alloys under various epitaxial growth conditions[J],2010, 2010.
APA	Shi, Lin,&Ni, Jun.(2010).Kinetic-anisotropy-induced ordering-orientation transitions calculated in CoPt alloys under various epitaxial growth conditions..
MLA	Shi, Lin,et al."Kinetic-anisotropy-induced ordering-orientation transitions calculated in CoPt alloys under various epitaxial growth conditions".(2010).

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