Divacancy complexes induced by Cu diffusion in Zn-doped GaAs M. Elsayed, R. Krause-Rehberg, B. Korff, I. Ratschinski and H.S. Leipner Eur. Phys. J. B, 86 8 (2013) 358 Published online: 07 August 2013 DOI: 10.1140/epjb/e2013-40414-7