Research Papers in Physics and Astronomy

 

Date of this Version

May 2000

Comments

Published by American Institute of Physics. J. Appl. Phys. 87, 6941 (2000). © 2000 American Institute of Physics. Permission to use. http://jap.aip.org/jap/.

Abstract

Nanocomposite FePt:SiO2 thin films consisting of high anisotropy FePt particles embedded in a SiO2 matrix have been successfully fabricated by annealing the as-deposited FePt/SiO2 multilayers. By adjusting the annealing temperatures and compositions, films were obtained with coercivity of 3.8 kOe and grain size of 10 nm, which are suitable for high-density magnetic recording. Magnetic activation volumes were measured and thermal stability is discussed.

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