Estudio de superficies, propiedades y técnicas de análisis

Abstract

Low energy electron diffraction (LEED) requires single crystal targets which are atomically clean and well ordered up to the outermost atomic layer. By heating, such perfectly clean surfaces can he obtained with only a limited number of materials. From many other materials, it is not possible to remove oxide, carbide, nitride, or other tenacious layers by heating without melting or subliming the sample.