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Production and characterization of Bi,Al:YIG magnetic garnet thin films prepared by sol-gel method. ICOP & ICPET _ INPC _ ICOFS 2015; 21 :745-748
URL: http://opsi.ir/article-1-730-en.html
URL: http://opsi.ir/article-1-730-en.html
Abstract: (3938 Views)
Substituted yttrium iron garnet Bi,Al:YIG,( BixY3-xFe5-yAlyO12) thin films were prepared by sol-gel method and deposited by spin coating technique. Then, magnetic garnet phase was achieved by thermal annealing at temperature 700°C. The Faraday rotation and the saturation magnetization depend on the doping level of Bi and Al. It is shown that by increasing Bi and decreasing Al, the saturation magnetization of the samples increases. On the other hand, with increasing Al content in the structure, magnetic moments preferentially oriented in the perpendicular to the film plane, while in the absence of Al, saturation magnetization of the magnetic garnet is directed parallel to the plane. The best optical and magnetic responses have been achieved for x=2 and y=0.4.
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