Research Papers in Physics and Astronomy

 

Date of this Version

July 1998

Comments

Published by IEEE; IEEE Trans. Magn. 34, 1018-1020 (1998). ©1998 IEEE. Permission to use. http://ieeexplore.ieee.org/

Abstract

Chemical synthesis is a versatile technique for fabricating novel nanostructured materials. In the Rieke process, a metal salt is reduced by an alkali in a hydrocarbon solvent to form small, highly reactive particles. Synthesis at an elevated temperature (200°C) increases the as-synthesized particle size and produces higher coercivities and remanence ratios than observed in similar syntheses at room temperature. The ratio of synthesis temperature to solvent boiling point appears to be an important parameter in both coercivity and oxidation resistance.



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