VALENCY ELECTRON CONTROL IN A GLOW DISCHARGE PRODUCED a-SiC : H AND ITS APPLICATION TO a-Si SOLAR CELL Y. Tawada, M. Kondo, H. Okamoto et Y. Hamakawa J. Phys. Colloques, 42 C4 (1981) C4-471-C4-474 DOI: 10.1051/jphyscol:1981499