TY - JOUR AU - Gauck, H AU - Gforerer, T AU - Renn, M AU - Cornell, Eric AU - Bertness, Kristine C2 - Applied Physics A-Materials Science & Processing DA - 1999-03-01 00:03:00 LA - en M1 - 64 PB - Applied Physics A-Materials Science & Processing PY - 1999 TI - External Radiative Quantum Efficiency of 96 % from a GaAs/GaInP Heterostructure ER -