Before revision: Low-energy electron diffraction (LEED) is a technique for the determination of the surface structure of single-crystalline materials by bombardment with a collimated beam of low-energy electrons ( 20 –200 eV) and observation of diffracted electrons as spots on a fluorescent screen.
After revision: Low-energy electron diffraction (LEED) is a technique for the determination of the surface structure of single-crystalline materials by bombardment with a collimated beam of low-energy electrons ( 30 –200 eV) and observation of diffracted electrons as spots on a fluorescent screen.