Photoelectron diffraction (PD) is a new developed method for investigating such characteristics of epitaxial or adsorptional surface as atomic site, structure, chemical bond, magnetism and so on.

• 光电子衍射是近年来发展成熟的研究外延表面和吸附表面的原子位型、结构、化学键、磁性等物理化学性质的表面分析方法。