FTO玻璃衬底上锆钛酸铅多层膜的微结构与光学特性
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国家自然科学基金(批准号:10774154, 60578058, 60221502)、中国科学院知识创新重要方向性项目、上海市科技专项(批准号:07JC14058, 0752nm016)和上海市科委基础研究重点项目(批准号:08JC1420900)资助课题


MICROSTRUCTURES AND OPTICAL PROPERTIES OF PbZr0.4Ti0.6O3 MULTILAYER FILMS DEPOSITED ON FTOCOATED GLASS SUBSTRATE
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    摘要:

    应用化学溶液沉积法,在氟掺杂SnO2涂布的玻璃衬底上制备了具有16个周期的PbZr0.4Ti0.6O3多层膜,并对其微结构与光学性能进行了研究。扫描电子显微镜照片显示,玻璃基底上的PbZr0.4Ti0.6O3多层膜具有均匀、平整、致密和无裂纹的表面形貌,呈现出由致密层和多孔疏松层交替排列构成的层状结构。X射线衍射分析表明PbZr0.4Ti0.6O3多层膜具有单一钙钛矿相。在350-900 nm的波长范围,反射光谱曲线上存在一个中心波长位于450 nm,带宽约为41 nm,峰值反射率超过91%的高反射率带;与反射光谱相对应,在相同频段的透射光谱曲线上出现一个与反射带等宽,中心波长位于450 nm的透射谷,谷的最小透过率小于6%。这项研究进展对拓展铁电多层膜的应用范围将有积极作用。

    Abstract:

    PbZr0.4Ti0.6O3 multilayers with 16 periods have been grown on the glass substrates coated by transparent tin oxide doped with fluorine by using chemical solution deposition, and the micro-structures and optical properties of the multilayers have been investigated. The scanning electron microscope images show that the multilayers exhibit a smooth, dense and crack-free surface morphology, and a layered structure consisting of dense and porous PbZr0.4Ti0.6O3 layers. The X-ray diffraction curves of the PbZr0.4Ti0.6O3 multilayers show a single perovskite structure. The room temperature reflectance and transmittance spectra in the wavelength range of 350-900 nm display an optical reflection-band centered at 450 nm, with a peak reflectivity of 91% and a 41 nm stop-band width, and a transmission valley at 450 nm with the same band-width as the reflection band. The minimum of the transmittance is less than 6% in the valley. This investigation is helpful to enlarge the application scale of ferroelectric multilayers.

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张婷,胡古今,商景林,孙艳,褚君浩,戴宁. FTO玻璃衬底上锆钛酸铅多层膜的微结构与光学特性[J].红外与毫米波学报,2010,29(3):176~179]. ZHANG Ting, HU Gu-Jin, SHANG Jing-Lin, SUN Yan, CHU Jun-Hao, DAI Ning. MICROSTRUCTURES AND OPTICAL PROPERTIES OF PbZr0.4Ti0.6O3 MULTILAYER FILMS DEPOSITED ON FTOCOATED GLASS SUBSTRATE[J]. J. Infrared Millim. Waves,2010,29(3):176~179.]

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  • 收稿日期:2009-07-10
  • 最后修改日期:2009-07-10
  • 录用日期:2009-08-21
  • 在线发布日期: 2010-07-19
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