Magneto-optical and Microwave Properties of LuBiIG Thin Films Prepared by Liquid Phase Epitaxy Method from Lead-Free Flux
点击次数：发表时间：2025-05-23
- 所属单位：[1]Univ Elect Sci & Technol China, State Key Lab Elect Thin Film & Integrated Device, Chengdu 610054, Peoples R China;[2]Sci Res Co Carat, R&D Inst Mat, Div Crystal Phys & Technol, Lvov, Ukraine
- 发表刊物：CHINESE PHYSICS LETTERS
- 关键字：Yttrium iron garnet - Crystal orientation - Binary alloys - Saturation magnetization - Epitaxial growth - Lattice mismatch - Single crystals - Ferromagnetic resonance - Iron alloys - Film preparation - Light absorption - Substrates
- 摘要：Lu(2.1)Bi(0.9)Fe(5)O(12) (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 Delta H = 2.8-5.1 Oe, the Faraday rotation is 1.64 deg/mu m at 633 nm at room temperature and the optical absorption coefficient of the film is 600 cm(-1) in visible range and about 100-170 cm(-1) when the wavelength is larger than 800 nm. 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.
- 文献类型：Article
- 卷号：26
- 期号：4
- ISSN号：0256-307X
- 是否译文：否
- CN号：11-1959/O4
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- 性别：男
- 职称：教授
- 毕业院校：电子科技大学
- 学历：博士研究生毕业
- 学位：工学博士学位
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- 2012 当选： 新世纪优秀人才计划
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