Giant Faraday Rotation in Metal-Fluoride Nanogranular Films.
Sci Rep
; 8(1): 4978, 2018 Mar 21.
Article
em En
| MEDLINE
| ID: mdl-29563580
ABSTRACT
Magneto-optical Faraday effect is widely applied in optical devices and is indispensable for optical communications and advanced information technology. However, the bismuth garnet Bi-YIG is only the Faraday material since 1972. Here we introduce (Fe, FeCo)-(Al-,Y-fluoride) nanogranular films exhibiting giant Faraday effect, 40 times larger than Bi-YIG. These films have a nanocomposite structure, in which nanometer-sized Fe, FeCo ferromagnetic granules are dispersed in a Al,Y-fluoride matrix.
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MEDLINE
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En
Ano de publicação:
2018
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Article