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1. Giant Faraday effect of FeCo‐BaF and FeCo‐SiN nanogranular films.

Author

Kobayashi, Nobukiyo, Ikeda, Kenji, and Arai, Ken‐Ichi

Subjects
OPTICAL films, OPTICAL devices, MAGNETOOPTICS, REFRACTIVE index, FARADAY effect, SILICON nitride
Abstract

We introduce FeCo‐BaF and FeCo‐SiN nanogranular films exhibiting giant Faraday effect. These films have a nanocomposite structure, in which nanometer‐sized FeCo ferromagnetic granules are dispersed in BaF2 or Si3N4 matrix. FeCo‐BaF film has a good figure of merit of Faraday effect from the crystalized BaF2 matrix. FeCo‐SiN film has a large refraction index from the nature of Si3N4 matrix. These properties contribute to the practical application of nanogranular films to optical devices. [ABSTRACT FROM AUTHOR]

Published
2021
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