Temperature-dependent current-voltage characteristics in thermally annealed ferromagnetic Co/n-GaN Schottky contactsKadir Ejderha, N. Yıldırm and A. TurutEur. Phys. J. Appl. Phys., 68 2 (2014) 20101DOI: https://doi.org/10.1051/epjap/2014140200