GRAIN BOUNDARY DIFFUSION IN POLYCRYSTALLINE SILICON FILMS ON SiO2 H. Baumgart, H.J. Leamy, G.K. Celler et L.E. Trimble J. Phys. Colloques, 43 C1 (1982) C1-363-C1-368 DOI: 10.1051/jphyscol:1982148