Magneto-optical and Microwave Properties of LuBiIG Thin Films Prepared by Liquid Phase Epitaxy Method from Lead-Free Flux
YANG Qing-Hui1, ZHNAG Huai-Wu1, WEN Qi-Ye1, LIU Ying-Li1, Ihor M. Syvorotka2, Ihor I. Syvorotka2
1State Key Laboratory of Electronic Thin Film and Integrated Devices, University of Electronic Science and Technology of China, Chendu 6100542R&D Institute of Materials, Scientific Research Company `Carat', Division of Crystal Physics and Technology, Lviv, Ukraine
Magneto-optical and Microwave Properties of LuBiIG Thin Films Prepared by Liquid Phase Epitaxy Method from Lead-Free Flux
YANG Qing-Hui1, ZHNAG Huai-Wu1, WEN Qi-Ye1, LIU Ying-Li1, Ihor M. Syvorotka2, Ihor I. Syvorotka2
1State Key Laboratory of Electronic Thin Film and Integrated Devices, University of Electronic Science and Technology of China, Chendu 6100542R&D Institute of Materials, Scientific Research Company `Carat', Division of Crystal Physics and Technology, Lviv, Ukraine
摘要Lu2.1Bi0.9Fe5O12 (LuBiIG) garnet films are prepared by liquid phase epitaxy (LPE) method on gadolinium gallium garnet (GGG) substrates from lead-free flux. Three-inch single crystal garnet films with (444) orientation and good surface are successfully fabricated. The lattice mismatch to the GGG(111) substrate is as small as 0.08%. The ferromagnetic resonance (FMR) linewidth of the film is 2∆ H=2.8-5.1Oe, the Faraday rotation is 1.64deg/μm at 633nm at room temperature and the optical absorption coefficient of the film is 600cm-1 in visible range and about 100-170cm-1 when the wavelength is larger than 800nm. The epitaxy film possesses dominating in-plane magnetization with a saturation magnetization of about 1562G. These superior optical, magnetic-optical (MO) and microwave properties of our garnet films have potential applications in both MO and microwave devices.
Abstract：Lu2.1Bi0.9Fe5O12 (LuBiIG) garnet films are prepared by liquid phase epitaxy (LPE) method on gadolinium gallium garnet (GGG) substrates from lead-free flux. Three-inch single crystal garnet films with (444) orientation and good surface are successfully fabricated. The lattice mismatch to the GGG(111) substrate is as small as 0.08%. The ferromagnetic resonance (FMR) linewidth of the film is 2∆ H=2.8-5.1Oe, the Faraday rotation is 1.64deg/μm at 633nm at room temperature and the optical absorption coefficient of the film is 600cm-1 in visible range and about 100-170cm-1 when the wavelength is larger than 800nm. The epitaxy film possesses dominating in-plane magnetization with a saturation magnetization of about 1562G. These superior optical, magnetic-optical (MO) and microwave properties of our garnet films have potential applications in both MO and microwave devices.
YANG Qing-Hui;ZHNAG Huai-Wu;WEN Qi-Ye;LIU Ying-Li;Ihor M. Syvorotka;Ihor I. Syvorotka. Magneto-optical and Microwave Properties of LuBiIG Thin Films Prepared by Liquid Phase Epitaxy Method from Lead-Free Flux[J]. 中国物理快报, 2009, 26(4): 47401-047401.
YANG Qing-Hui, ZHNAG Huai-Wu, WEN Qi-Ye, LIU Ying-Li, Ihor M. Syvorotka, Ihor I. Syvorotka. Magneto-optical and Microwave Properties of LuBiIG Thin Films Prepared by Liquid Phase Epitaxy Method from Lead-Free Flux. Chin. Phys. Lett., 2009, 26(4): 47401-047401.
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