Effect of AlN Film on the Magnetic Properties of Rare Earth-Transition Metal Film

Chin. Phys. Lett.

1997, Vol. 14

Issue (2): 131-133 DOI:

Original Articles

Effect of AlN Film on the Magnetic Properties of Rare Earth-Transition Metal Film

LU Zheng-qi;LI Zuo-yi;ZHENG Yuan-kai;MIAO Xiang-shui;HU Zuo-qi;LIN Geng-qi;LIU Wei-zhong;XIONG Rui;WANG Ke

Department of Solid State Electronics, Huazhong University of Science and Technology, Wuhan 430074

Cite this article:

LU Zheng-qi, LI Zuo-yi, ZHENG Yuan-kai et al 1997 Chin. Phys. Lett. 14 131-133

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Abstract The amorphous TbFeCo films covered with the protective AIN films have been prepared by the rf magnetron sputtering system. It is found that the protective AIN films not only protect rare earth elements from oxidation and enhance magneto-optical Kerr effect but also affect the magnetic properties of the rare earth-transition metal films. The coercivity H_c and perpendicular magnetic anisotropy energy constants K'_U1 and K_U2 of the films are changed with the thickness of the protective AIN films. It can be explained according to the stress mechanism and the model of single ion anisotropy.

Keywords: 75.70.-i 78.20.Ls

Published: 01 February 1997

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/Y1997/V14/I2/0131

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	LU Zheng-qi
	LI Zuo-yi
	ZHENG Yuan-kai
	MIAO Xiang-shui
	HU Zuo-qi
	LIN Geng-qi
	LIU Wei-zhong
	XIONG Rui
	WANG Ke

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