High-dose V+ implantation in ZnO thin film structures - Vyatkin, A.F.; Zinenko, V.I.; Agaphonov, Yu.A.; Pustovit, A.N.; Roshchupkin, D.V.; Reuss, F.; Kirchner, C.; Kling, R.; Waag, A. (Nuclear Instruments & Methods in Physics Research Section B, 2005)