FTO玻璃衬底上锆钛酸铅多层膜的微结构与光学特性  

MICRO-STRUCTURES AND OPTICAL PROPERTIES OF PbZr_(0.4)Ti_(0.6)O_3 MULTILAYER FILMS DEPOSITED ON FTO-COATED GLASS SUBSTRATE

作　　者：张婷[1] 胡古今[1] 商景林[1] 孙艳[1] 褚君浩[1] 戴宁[1] 

机构地区：[1]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

出　　处：《红外与毫米波学报》2010年第3期176-179,共4页Journal of Infrared and Millimeter Waves

基　　金：国家自然科学基金(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(07JC14058;0752nm016);上海市科委基础研究重点项目(08JC1420900)

摘　　要：应用化学溶液沉积法,在涂布氟掺杂SnO2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.测试表明,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,且具有单一钙钛矿相.在350～900nm的波长范围内,反射光谱曲线上存在一个中心波长位于450nm、带宽约为41nm、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了一个与反射带等宽、中心波长位于450nm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.PbZr0.4Ti0.6O3 multilayer films with 16 periods deposited on the FTO-coated glass substrates were fabricated by using chemical solution deposition method. The micro-structures and optical properties of the multilayer films were investigated. The multilayer films exhibit a smooth, dense and crack-free surface morphology while having a layered structure consisting of dense and porous PbZr0.4Ti0.6O3 layers. The multilayer films show a single perovskite structure. The reflectance and transmittance spectra in the wavelength range of 350~900nm at room temperature display an optical reflection-band centered at 450nm, with a peak reflectivity of 91% and a stop-band width of 41nm, and a transmission valley at 450nm 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 multilayer films.

关 键 词：铁电多层膜 周期性 FTO玻璃 微结构与光学特性 

分 类 号：O484[理学—固体物理]