TY - JOUR TI - Carbon-based defects in GaN: doping behaviour PY - 2002 AU - Ramos, L E AU - Furthmuller, J AU - Leite, J. R. AU - Scolfaro, Luisa Maria Ribeiro AU - Bechstedt, F T2 - Physica Status Solidi B-Basic Research SN - 0370-1972 PP - Weinheim VL - 234 IS - 4 SP - 864-867 ER -