提出了一种在极低的生长速率下(例如分子外延技术),以SrTi O3为代表的ABO3型氧化物薄膜的生长机理,并针对这一生长机制,给出了基于Monte Carlo方法的三维模型和模拟算法.模拟基于Solid on Solid模型,并采用周期性的边界条件;模拟中通过...提出了一种在极低的生长速率下(例如分子外延技术),以SrTi O3为代表的ABO3型氧化物薄膜的生长机理,并针对这一生长机制,给出了基于Monte Carlo方法的三维模型和模拟算法.模拟基于Solid on Solid模型,并采用周期性的边界条件;模拟中通过库仑作用势引入了基底对沉积分子的影响;Monte Carlo事件由沉积事件、扩散事件、吸附成核事件组成;分子扩散能力与扩散激活能相关.展开更多
Highly oriented Bi4Ti3O12 thin films were prepared by Sol-Gel technique on SrTiO3(100) single crystal, using Bi(NO3)3.5H2O, Ti(OC4H9)4 and CH3COOH as raw materials. The c-axis orientation was about 96%. The effect of ...Highly oriented Bi4Ti3O12 thin films were prepared by Sol-Gel technique on SrTiO3(100) single crystal, using Bi(NO3)3.5H2O, Ti(OC4H9)4 and CH3COOH as raw materials. The c-axis orientation was about 96%. The effect of pH value of solution on quality of the thin films was studied.展开更多
文摘Highly oriented Bi4Ti3O12 thin films were prepared by Sol-Gel technique on SrTiO3(100) single crystal, using Bi(NO3)3.5H2O, Ti(OC4H9)4 and CH3COOH as raw materials. The c-axis orientation was about 96%. The effect of pH value of solution on quality of the thin films was studied.
