Affiliation:
1. Ural Federal University
2. Ural State University
3. Russian Academy of Sciences
Abstract
In the present work, we have studied the structural, magnetic and magnetoresistive properties of Cox(SiO2)100-x and Cox(Al2O3)100-x composite thin films, obtained by magnetron co-sputtering of metallic and insulator targets. It was shown by transmission electron microscopy and by temperature and field dependences of the magnetization that the films have a fine granular structure. For a wide range of compositions an adequate description was possible in frame of the model of homogeneous non-interacting superparamagnetic hexagonal lattice Co particles. Magnetoresistive sensor prototypes were designed on the base of an optimized magnetoresistive Co50(Al2O3)50 composite films
Publisher
Trans Tech Publications, Ltd.
Subject
Condensed Matter Physics,General Materials Science,Atomic and Molecular Physics, and Optics
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