Effects of Sm Substitution on Magnetic and Magneto-Optical Properties of TbCo/Cr Films

Chin. Phys. Lett.

2003, Vol. 20

Issue (6): 909-911 DOI:

Original Articles

Effects of Sm Substitution on Magnetic and Magneto-Optical Properties of TbCo/Cr Films

LI Zuo-Yi¹;HUANG Zhi-Xin^1,2;LIN Gen-Qi¹;JIN Fang¹;LI Zhen¹

¹Departement of Electronic Science and Technology, Huazhong University of Science and Technology, Wuhan 430074 ²Department of Physics, Central China Normal University, Wuhan 430079

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LI Zuo-Yi, HUANG Zhi-Xin, LIN Gen-Qi et al 2003 Chin. Phys. Lett. 20 909-911

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Abstract The effects of Sm substitution on magnetic and magneto-optical properties of TbCo/Cr films have been investigated. It was found that partial Tb substituted by Sm will directly affect the magnitude of saturation magnetization Ms and the Kerr rotation angle. These results are explained by the ferri-magnetical structure of the rare earth-transition metal alloy. When the magnetic layer composition was (Sm_0.343Tb_0.657)₃₁Co₆₉, values of magnetization as high as 385 emu/cm³ and coercivity above 4.7 kOe at room temperature were obtained.

Keywords: 75.70.-i 78.20.Ls

Published: 01 June 2003

PACS:	75.70.-i	(Magnetic properties of thin films, surfaces, and interfaces)
	78.20.Ls	(Magneto-optical effects)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2003/V20/I6/0909

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	LI Zuo-Yi
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