YIG: Bi2O3 Nanocomposite Thin Films for Magnetooptic and Microwave Applications

Nur-E-Alam M., Vasiliev M., Alameh K., Kotov V., Demidov V., Balabanov D. YIG: Bi2O3 Nanocomposite Thin Films for Magnetooptic and Microwave Applications. Journal of Nanomaterials , 2015 , 2015. С. 1-6.

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Аннотация

Y3Fe5O12-Bi2O3 composite thin films are deposited onto Gd3Ga5O12 (GGG) substrates and their annealing crystallization regimes are optimized (in terms of both process temperatures and durations) to obtain high-quality thin film layers possessing magnetic properties attractive for a range of technological applications. The amount of bismuth oxide content introduced into these nanocomposite-type films is controlled by adjusting the RF power densities applied to both Y3Fe5O12 and Bi2O3 sputtering targets during the cosputtering deposition processes. The measured material properties of oven-annealed YIG-Bi2O3 films indicate that cosputtering of YIG-Bi2O3 composites can provide the flexibility of application-specific YIG layers fabrication of interest for several existing, emerging, and also frontier technologies. Experimental results demonstrate large specific Faraday rotation (of more than 1°/µm at 532 nm), achieved simultaneously with low optical losses in the visible range and very narrow peak-to-peak ferromagnetic resonance linewidth of around Δpp = 6.1 Oe at 9.77 GHz.

Тип объекта: Статья
Авторы на русском. ОБЯЗАТЕЛЬНО ДЛЯ АНГЛОЯЗЫЧНЫХ ПУБЛИКАЦИЙ!: М. Нур-Е-Алам, М. Васильев, К. Аламех, В. Котов, В. Демидов, Д. Балабанов
Подразделения (можно выбрать несколько, удерживая Ctrl): 221 лаб. квантово-механических усилителей и генераторов
192 лаб. магнитных явлений в микроэлектронике
URI: http://cplire.ru:8080/id/eprint/306
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