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    题名: MULTIPLE COATING OF TITANIUM-BORON OXIDE SOL-GEL ON GLASS
    作者: HSIEH,CW;CHIANG,AST;LEE,CC;TU,SL
    贡献者: 化學工程與材料工程學系
    关键词: N/A
    日期: 1992
    上传时间: 2010-06-29 17:35:26 (UTC+8)
    出版者: 中央大學
    摘要: TiO2 - B2O3 composite thin films have been coated on microscope slides by a multiple dip-coating technique. Films produced with heating steps between the deposition of successive layers exhibit a better optical quality than those without. The former have a smaller grain size, less than 30nm as measured by SEM, and therefore result in less transmittance loss at the short wavelength region. X-ray diffraction studies show that these films are amorphous even after 500-degrees-C calcination, while films produced without intermediate heating become slightly crystallized after the same treatment. The thickness of the coated film is proportional to the number of layers applied. A film about 200nm in thickness can be produced by just four coatings. The refractive index of the film is 2.23 as evaluated from the transmission spectrum.
    關聯: MATERIALS RESEARCH BULLETIN
    显示于类别:[化學工程與材料工程研究所] 期刊論文

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