Electrical properties and transport mechanisms of p-znte/n-si heterojunctions M. A.M. Seyam, H. T. El-Shair and G. F. Salem Eur. Phys. J. Appl. Phys., 41 3 (2008) 221-227 Published online: 09 April 2008 DOI: 10.1051/epjap:2008025