THE STRUCTURE AND COMPTON PROFILE OF NANOCRYSTALLINE GRAPHITE PRODUCED BY MILL GRINDING

Compton scattering of gamma-rays, XRD, TEM and Raman scattering were u sed to investigate the nanocrystalline graphite produced by mill grind ing. The graphite ground for 4 and 8 hours has a typical nanostructure . Further grinding produces a mixture of nanocrystalline and amorphous phases. Compared with the polycrystalline graphite, the electron mome ntum distribution probability (EMD) of nanocrystalline graphite is a l ittle higher in the low momentum range. We attribute such a change mai nly to the high interface ratio of nanograined graphite.