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The effect of non-magnetic, Cr-rich CoCrPt intermediate and spacer layers on the magnetic properties and microstructure of CoCrPt thin films

Almas-kashi, M, Grundy, PJ, Jones, GA, Hadgaran, H and Zhao, X 2002, 'The effect of non-magnetic, Cr-rich CoCrPt intermediate and spacer layers on the magnetic properties and microstructure of CoCrPt thin films' , Journal of Physics D: Applied Physics, 35 (23) , pp. 3041-3048.

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Abstract

The effect of non-magnetic Cr-rich CoCrPt intermediate (X) and spacer (Y) layers on the magnetic and microstructural properties of CoCrPt/X/Cr and CoCrPt/Y/CoCrPt/X/Cr multilayers has been investigated. Significant increases in coercivity of the order of 75% have been obtained in the first scheme and coercivities of over 3 kOe were obtained in the second scheme. This enhancement of coercivity can be attributed in part to an improvement of crystallographic orientation but also to the effects of Cr segregation. The latter, whose origin lies in the use of Cr-rich intermediate and spacer layers, promotes magnetic de-coupling between grains. These effects are evident in switching field distributions and `δM' curves as well as directly observed in magnetic force microscopy images.

Item Type: Article
Themes: Subjects / Themes > Q Science > QC Physics
Subjects outside of the University Themes
Schools: Colleges and Schools > College of Science & Technology
Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering
Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Materials & Physics Research Centre
Journal or Publication Title: Journal of Physics D: Applied Physics
Publisher: Institute of Physics
Refereed: Yes
ISSN: 00223727
Depositing User: H Kenna
Date Deposited: 05 Sep 2007 11:41
Last Modified: 20 Aug 2013 16:47
URI: http://usir.salford.ac.uk/id/eprint/392

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