Yu-Feng YaoKeng-Ping ChouChi-Chung ChenC. C. YangCHIH-CHUNG YANG2019-10-312019-10-312018https://scholars.lib.ntu.edu.tw/handle/123456789/429737Mechanisms Determining the Polarities of Ga-doped ZnO Nanowires Grown through Zn- and O-rich Vapor-liquid-solid Processesconference paper