Ag-induced spin-reorientation transition of Co ultrathin films on Pt(111)

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题名:	Ag-induced spin-reorientation transition of Co ultrathin films on Pt(111)
作者:	Chen, F. C. Wu, Y. E. Su, C. W. Shern, C. S. 吳月娥沈青嵩蘇炯武
贡献者:	Physical Review B
日期:	2002
上传时间:	2009-07-27 16:01:54 (UTC+8)
摘要:	The surface magneto-optical Kerr effect was used to study the magnetic properties of Co ultrathin films deposited on Pt(111). The easy axis of the magnetization changes from the out-of-plane to the in-plane direction after the coverage of Co is larger than 3.5 ML. The spin can reorient to the normal of the surface when the proper thickness of Ag overlayers is deposited on Co/Pt(111) with the in-plane magnetization. The out-of-plane magnetization and its coercivity as a function of Ag coverage were investigated during the spin-reorientation transition. The easy axis of the magnetization can shift back to the in-plane direction after the Ag overlayers are sputtered out. The chemical compositions of the interfaces were measured by Auger electron spectroscopy. The mechanism of the spin-reorientation transition induced by Ag is discussed.
關聯:	Physical Review B, v66(18), p.184417
显示于类别:	[應用物理暨化學學系暨碩士班] 期刊論文

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