Research Papers in Physics and Astronomy

 

Date of this Version

May 2005

Comments

Published by American Institute of Physics. J. Applied Physics 97, 10J304 (2005). ©2005 American Institute of Physics. Permission to use. http://jap.aip.org/jap/.

Abstract

FePt L10-structured clusters were synthesized by hydrogen reduction of Fe(NO3)3•9H2O and H2PtCl6•6H2O mixtures within the pores of alumina. They were released by dissolving the alumina matrix and capped with organic surfactants. After a series of chemical treatments, clusters with an average diameter of about 11 nm were precipitated. The clusters were drop casted onto ordered nanoporous arrays. Clusters reaching the bottom of the pores formed an ordered magnetic array. The corresponding magnetic film exhibits distinct anisotropic behavior caused by the external magnetic field.

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