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Growth of Crystalline TiO2 by Plasma Enhanced Chemical Vapor Deposition

机译:等离子体增强化学气相沉积法生长二氧化钛晶体

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TiO2 thin films in the form of anatase have been prepared by plasma enhanced chemical vapor deposition (PECVD) at 523 K as the substrate temperature and a low working pressure. The study of the microstructure and texture of the films at different stages of deposition show that their growth follows the Kolmogorov's model developed to describe the evolution of crystalline films from a saturated homogeneous medium. An additional characteristic feature of the growth process by PECVD is the formation of different crystalline domains, particularly at low deposition rates. The effects of this parameter and of the characteristics of the substrate on the growing process are also addressed.
机译:锐钛矿形式的TiO2薄膜已经通过等离子体增强化学气相沉积(PECVD)在523 K作为基材温度和低工作压力的条件下制备。对薄膜在不同沉积阶段的微观结构和织构的研究表明,它们的生长遵循Kolmogorov模型的发展,该模型用于描述晶体薄膜从饱和均相介质的演化。通过PECVD进行的生长过程的另一个特征是形成不同的晶畴,特别是在低沉积速率下。还讨论了该参数和基材特性对生长过程的影响。

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