利用射频磁控溅射技术在玻璃衬底上沉积ZnO-0.25mol% V2O5(ZnO∶V)薄膜,研究了O2/(O2+Ar)流量比(0%~87.5%)对ZnO∶V薄膜中缺陷的影响.研究结果表明:沉积的ZnO∶V薄膜为具有c轴取向的纤锌矿结构,V以五价和四价形式共存其中.ZnO∶V薄膜中的缺陷态为氧空位(VO)和间隙锌(Zni)杂化形成的复合体,两者比例随O2/(O2+Ar)流量比而变化.
ZnO-0.25mol% Vanadium (ZnO∶V) thin films were deposited on glass substrate by RF magnetron sputtering.The type of defects in ZnO∶V thin films under different O2/(O2+Ar) ratios (0%-87.5%) was investigated.The deposited ZnO∶V thin films have wurtzite structure and show c-axis preferred orientation.V4+ and V5+ ions coexist in the films.The defect in ZnO∶V thin films is the complex of VO and Zni.And the ratio of VO to Zni changed with the O2/(O2+Ar) ratio.
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