Electrical Properties in Group IV Elements-Doped ZnO Thin-Film Transistors
Electrical Properties in Group IV Elements-Doped ZnO Thin-Film Transistors
复制标题
IV 族元素掺杂 ZnO 薄膜晶体管的电特性
DOI:
10.1109/jdt.2015.2432857
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发表时间:
2015-05
影响因子:
--
通讯作者:
Liao Lei
中科院分区:
文献类型:
--
作者:
Li Zhe;Xu Lei;Abliz Ablat;Hua Yang;Li Jinchai;Shi Ying;Liu Wei;Liao Lei
The group IV elements doped ZnO thin-film transistors (TFTs) were deposited by radio-frequency magnetron sputtering onsubstrates at 150. The influence of the dopant concentrations on the device performance was examined. Device characteristics such as threshold voltagewere modulated and field effect mobility and saturated current could be enhanced by tuning dopant concentration. Moreover, the negative bias stress was applied so that the reliability of the TFTs could be evaluated, the shift offor Ge-doped TFTs is smaller than that of other TFTs, and therefore, Ge doping may help to improve the bias stability of ZnO TFTs.
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