| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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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 |
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YANG Qing-Hui, ZHNAG Huai-Wu, WEN Qi-Ye et al 2009 Chin. Phys. Lett. 26 047401 |
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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.
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| Keywords:
74.25.Ha
75.70.Ak
78.20.Ls
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Received: 24 September 2008
Published: 25 March 2009
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