Magnetism of Co-doped ZnO epitaxially grown on a ZnO substrate

Li, LiGuo, YCui, X. Y.Zheng, RongkunOhtani, K.Kong, CCeguerra, A.V.Moody, M.P.Ye, JiandongJagadish, ChennupatiLiu, HuiStampfl, Catherine MOhno, HRinger, Simon PeterMatsukura, F.Tan, Hark Hoe2015-12-101098-0121http://hdl.handle.net/1885/62479In order to unravel the magnetism of Co-doped ZnO films, we have performed rigorous experiments on Co-doped ZnO grown on O-polar ZnO (0001̄) substrates by molecular beam epitaxy. We find that the ZnO:Co with Co composition less than 20% is paramagnetic eAuthor/s retain copyrightMagnetism of Co-doped ZnO epitaxially grown on a ZnO substrate201210.1103/PhysRevB.85.1744302015-12-10