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Structural Properties of Anisotropic PtCo(001) and PtFe(001) Thin Films on MgO(001)

Published online by Cambridge University Press:  21 February 2011

Bruce M. Lairson ,
Mark R. Visokay ,
Sean B. Brennan ,
Robert Sinclair  and
Bruce M. Clemens
Bruce M. Lairson
Affiliation:
Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305-2205
Mark R. Visokay
Affiliation:
Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305-2205
Sean B. Brennan
Affiliation:
Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305-2205
Robert Sinclair
Affiliation:
Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305-2205
Bruce M. Clemens
Affiliation:
Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305-2205
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Abstract

We report structural properties of PtFe and PtCo intermetallic compounds with perpendicular magnetic anisotropy and a preferred c-axis orientation perpendicular to the film plane, formed from initially epitaxial multilayers. These materials represent particular cases of a more general class of anisotropic magnetic compounds with the CuAu(1) natural superlattice structure. They possess high magneto-optic Kerr rotations and magnetizations, suggesting them as likely candidates for magneto-optic and perpendicular magnetic recording media.

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References

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