Photoelectrical Properties of Semiconductor in Contact with Gas Discharge Plasma N.N. Lebedeva, V.I. Orbukh, B.G. Salamov, M. Özer, K. Çolakoǧlu and Ş. Altındal J. Phys. III France, 7 5 (1997) 1039-1044 DOI: 10.1051/jp3:1997173