Study of Defects in GaAs by 2D-ACAR Positron Annihilation A. A. Manuel, R. Ambigapathy, P. Hautojärvi, K. Saarinen et C. CorbelJ. Phys. IV France, 05 C1 (1995) C1-73-C1-80DOI: https://doi.org/10.1051/jp4:1995108