红外与毫米波学报, 2004, 23 (1): 47, 网络出版: 2006-05-10   

化学溶液分解法制备的Bi2Ti2O7薄膜的红外光学性质研究

INFRARED OPTICAL PROPERTIES OF Bi2Ti2O7 THIN FILMS PREPARED BY CHEMICAL SOLUTION DECOMPOSITION TECHNIQUE
作者单位
中国科学院上海技术物理研究所,红外物理国家重点实验室,上海,200083
摘要
采用化学溶液分解法在n-GaAs(100)衬底上制备了Bi2Ti2O7薄膜.利用红外椭圆偏振光谱仪测量了波长为2.8~12.5μm范围内Bi2Ti2O7薄膜的椭偏光谱,采用Lorentz-Drude色散模型拟合获得Bi2Ti2O7薄膜的红外介电常数,并进一步计算得到折射率n、消光系数k和吸收系数α,拟合计算得到Bi2Ti2O7薄膜的厚度为139.2nm.
Abstract
Bi2Ti2O7 thin films were deposited on n-GaAs(100) by chemical solution decomposition technique. The infrared optical properties of the thin films were measured by infrared spectroscopic ellipsometry in the wavelength range of 2.8~12.5μm. Lorentz-Drude dispersion model was used to express the infrared dielectric constants of the Bi2Ti2O7 thin films, and the refractive index n, the extinction coefficient k and the absorption coefficient α of the thin films were calculated. The thickness of the Bi2Ti2O7 thin films was obtained as 139.2 nm by fitting.

胡志高, 王少伟, 黄志明, 吴玉年, 陆卫, 褚君浩. 化学溶液分解法制备的Bi2Ti2O7薄膜的红外光学性质研究[J]. 红外与毫米波学报, 2004, 23(1): 47. 胡志高, 王少伟, 黄志明, 吴玉年, 陆卫, 褚君浩. INFRARED OPTICAL PROPERTIES OF Bi2Ti2O7 THIN FILMS PREPARED BY CHEMICAL SOLUTION DECOMPOSITION TECHNIQUE[J]. Journal of Infrared and Millimeter Waves, 2004, 23(1): 47.

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