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Carrier Transport Through Grain Boundaries In Highly Transparent Conductive Ga-Doped ZnO Polycrystalline Films
Keywords: ZnO, transparent conductive oxides, carrier mobility
We investigated the ingrain and grain boundary scattering effects on carrier mobility of transparent conducting polycrystalline Ga-doped ZnO (GZO) films. Analysis of comparison of Hall and optical mobility of GZO films with columnar grain structures showed that the limiting factor on the mobility is mainly c-axis alignment between the grains.
Tetsuya Yamamoto, Professor and Head of Materials Design Center
Kochi University of Technology
Kami-shi, Kochi 782-8502,
Japan


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