本文采用脉冲激光沉积法(PLD)制备了(BiFeO3)0.5:(Sm2O3)0.5/SrTiO3(011)复合薄膜，采用X射线衍射仪(XRD)、能量色散X射线光谱仪(EDX)、X射线φ扫描(XRD phi-scan)和透射电子显微镜(TEM)测试分析了复合薄膜的取向关系、组分、微结构以及界面。并通过“润湿模型”原理结合能量最小化原理推测出了复合薄膜的可能生长结构，发现理论与实验结果相吻合。说明该“润湿模型”可以用来有效的分析讨论复合薄膜的微结构和生长机理。A (BiFeO3)0.5:(Sm2O3)0.5/SrTiO3(011) composite film has been made by pulsed laser deposition (PLD). Various methods, such as x-ray diffractometer (XRD), energy dispersive x-ray spectroscopy (EDX), x-ray diffraction phi-scan (XRD phi-scan) and transmission electron microscopy (TEM), were used to measure and analyze the orientation relationship, composition, microstructure and interface of the composite film. A possible growth pattern of the film has been speculated by the theory of Wetting Model and Energy Minimization Principle. Analysis shows that the growth pattern is in coincidence with the practical results. The conclusion is that the Wetting Model can be applied to analyze and discuss the microstructure and growth mechanism of composite films.
By using the documentation method to collect the recent years’ materials about the development of physical education curriculum in our country’s professional sports colleges and comprehensive sports univer-sities, this paper mainly discuss the importance of physical education curriculum to the physical training field. As one of the fundamental curriculum in physical training field, because sports’ history curriculum can widen horizon and enrich mind, its basic functions can’t be ignored in professional sports colleges or comprehensive sports universities. However, it’s in bad condition according to the recent year’s development of physical education curriculum in our country’s professional sports colleges and comprehensive sports universities. Some colleges even had stopped teaching this course. This paper will discuss the significance of teaching sports’ history curriculum in professional sports college and comprehensive sports university to get more concerns from academic circles to this course. Thus it can play well its role in teaching process.