采用溶胶-凝胶技术在Si(111)和石英玻璃衬底上制备了Mg掺杂ZnO薄膜.用X射线衍射仪(XRD)、原子力显微镜(AFM)、扫描电镜(SEM)和紫外-可见(UV-Vis)分光光度计测试薄膜的微结构、表面形貌和光学性质.结果表明:所得Mg掺杂ZnO薄膜仍为六角纤锌矿型结构,呈c轴方向择优生长,随着退火温度升高,薄膜的晶格常数c由0.5288 nm减小到0.5278 nm,粗糙度从3.8 nm增大到6.5 nm,光学带隙由3.26 eV增大到3.31 eV.
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