Formation of c-axis oriented ZnO optical waveguides by radio-frequency magnetron sputtering Jia, Chuan-Lei ; Wang, Ke-Ming ; Wang, Xue-Lin ; Zhang, Xi-Jian ; Lu, Fei Abstract Publication: Optics Express Pub Date: June 2005 DOI: 10.1364/OPEX.13.005093 Bibcode: 2005OExpr..13.5093J