【摘 要】
：
We investigated the effect of annealing process on microstructures and optical properties of the sol-gel derived Ba0.9Sr0.1TiO3 (BST) films. The BST films, fabr
【机 构】
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College of Physics and Electronic Engineering, Changshu Institute of Technology,
【出 处】
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Journal of Wuhan University of Technology(Materials Science
论文部分内容阅读
We investigated the effect of annealing process on microstructures and optical properties of the sol-gel derived Ba0.9Sr0.1TiO3 (BST) films. The BST films, fabricated by layer-by-layer high-temperature (650 ℃) annealing process, had laminated structures consisting of alternating dense and porous BST layers, and exhibited excellent optical performance as Bragg reflectors. The Bragg reflection characteristic can be enhanced with increasing annealing temperature. Those BST films fabricated at temperatures lower than 650 ℃displayed uniform cross-sectional morphologies even treated at a higher temperature. The difference in the microstructures of the BST thin films was also discussed.
We investigated the effect of annealing process on microstructures and optical properties of the sol-gel derived Ba0.9Sr0.1TiO3 (BST) films. The BST films, fabricated by layer-by-layer high-temperature (650 ° C) annealing process, had laminated structures consisting of alternating dense and porous BST layers, and exhibiting excellent optical performance as Bragg reflectors. These Bragg reflection characteristics can be enhanced with increasing annealing temperature. at a higher temperature. The difference in the microstructures of the BST thin films was also discussed.
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