Electron Diffraction from Coals

Abstract

Electron diffraction patterns have been obtained for coals of different rank by transmission through ultrathin sections 500 to 2000 angstroms thick. Analysis of these patterns for the distribution of atoms in coals by Debye radial distribution functions should furnish information complementary to that derived from x-ray studies, considering the differences in wavelength of the radiation involved and the different mechanisms governing the diffraction.