Evidence of defect-mediated magnetic coupling on hydrogenated 'CO'-doped 'ZN''O' - Godoy, M.P.F. de; Mesquita, A; Neves, P.P.; Carvalho, H.B. de; Avansi, W; Ferraz, W.B.; Boselli, M.A.; Sabioni, A.C.S.; Chitta, Valmir Antonio (Journal of Alloys and Compounds, 2013)