Mtangi, Wilbert; Nel, J.M.; Auret, Francois Danie; Chawanda, Albert; Nyamhere, Cloud; Diale, M. (Mmantsae Moche)
(Elsevier, 2012-10)
We report on the studies carried out on hydrogen peroxide treated melt grown, bulk single
crystal ZnO samples. Results show the existence of two shallow donors in the as-received
ZnO samples with energy levels (37.8 ± ...