Temperature-dependent Schottky barrier inhomogeneity of Ni/n-GaAs diodes N. Yildirim, H. Korkut and A. Türüt Eur. Phys. J. Appl. Phys., 45 1 (2009) 10302 Published online: 14 January 2009 DOI: 10.1051/epjap:2008191