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Role of boron on grain sizes and magnetic correlation lengths in recording media as determined by soft x-ray scattering

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5 Author(s)
Hellwig, Olav ; IBM Almaden Research Center, San Jose, California 95120 ; Margulies, D.T. ; Lengsfield, B. ; Fullerton, Eric E.
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.1448665 

We have measured the chemical grain sizes and magnetic correlation lengths in CoCr-based magnetic recording media films using resonant soft x-ray small-angle scattering. We find that the addition of boron, while leading to slightly smaller physical grains, dramatically reduces the magnetic correlation length. These results show that B additions effectively act to suppress intergranular magnetic exchange via segregation to the grain boundaries. © 2002 American Institute of Physics.

Published in:
Applied Physics Letters  (Volume:80 ,  Issue: 7 )

Date of Publication: Feb 2002

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