Magnetic and Microstructure of Triple C/Co73Cr22Ta5/Ti for Perpendicular Media

Chin. Phys. Lett.

2007, Vol. 24

Issue (6): 1678-1681 DOI:

Original Articles

Magnetic and Microstructure of Triple C/Co₇₃Cr₂₂Ta₅/Ti for Perpendicular Media

ZHEN Cong-Mian;HOU Deng-Lu;GUO Ge-Xin;YAN Zhen-Zhuang;NIE Xiang-Fu

College of Physics Science and Information Engineering, Hebei Normal University, Shijiazhuang 050016

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ZHEN Cong-Mian, HOU Deng-Lu, GUO Ge-Xin et al 2007 Chin. Phys. Lett. 24 1678-1681

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Abstract The magnetic properties and microstructure of triple C/CoCrTa/Ti perpendicular recording films have been studied. Magnetic measurements
show that the optimal thickness of Ti underlayer is 40nm and that of CoCrTa is 35nm. The optimal value of substrate temperature is found to be 400°C. A suitable Ti underlayer causes a magnetic layer to have a near-perfect hcp texture, with Co grains in the (002) preferred orientation. The film with needle-like grains is more suitable for perpendicular recording films.

Keywords: 68.55.Jk 75.50.Ss 74.25.Ha

Received: 11 December 2006 Published: 17 May 2007

PACS:	68.55.Jk
	75.50.Ss	(Magnetic recording materials)
	74.25.Ha	(Magnetic properties including vortex structures and related phenomena)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2007/V24/I6/01678

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	ZHEN Cong-Mian
	HOU Deng-Lu
	GUO Ge-Xin
	YAN Zhen-Zhuang
	NIE Xiang-Fu

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