随着表面科学的进步,发展了多种新型表面分析方法。五十年前,电子衍射实验成功地证实了量子力学中著名的De Broglie波假设。至今电子衍射法仍是研究固体表面和薄膜结晶学问题的主要手段。反射高能电子衍射(RHEED)技术也随着表面科学的需要而获得新的进展。RHEED技术可研究自几十到数百埃的固体表面层。近期研究证明它能研究单原子层结构问题,且在很多方面超过低能电子衍射(LEED)法。RHEED技术具有较高 With the advancement of surface science, a variety of new surface analysis methods have been developed. Fifty years ago, electron diffraction experiments successfully demonstrated the well-known De Broglie wave hypothesis in quantum mechanics. To date, the electron diffraction method is still the main method to study the crystallographic problems of solid surface and thin film. Retroreflective high-energy electron diffraction (RHEED) technology has also made new advances with the need of surface science. RHEED technology can study solid surface layers from tens to hundreds of angstroms. Recent studies have demonstrated that it can investigate the monolayer structure and in many ways surpass the low energy electron diffraction (LEED) method. RHEED technology is higher