采用脉冲激光沉积(PLD)方法在石英衬底上制备p型Na掺杂ZnMgO薄膜,薄膜在氮气气氛中600℃退火60 s,具有较好的光电性能.在室温下分别用波长254nm的紫外光和波长630nm的红色激光对样品进行了光电导性能测试.两种光照下,光电流均瞬间上升,且光响应度与外加偏压具有线性相关性.紫外光照下p型Na掺杂ZnMgO薄膜的光电流变化比红色激光照射下要显著.
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