Wide-bandgap high-mobility ZnO thin-film transistors produced at room temperature

被引:520
作者
Fortunato, EMC
Barquinha, PMC
Pimentel, ACMBG
Gonçalves, AMF
Marques, AJS
Martins, RFP
Pereira, LMN
机构
[1] Univ Nova Lisboa, Fac Sci & Technol, Dept Mat Sci, CENIMAT, P-2829516 Caparica, Portugal
[2] Univ Nova Lisboa, CEMOP UNINOVA, P-2829516 Caparica, Portugal
关键词
D O I
10.1063/1.1790587
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report high-performance ZnO thin-film transistor (ZnO-TFT) fabricated by rf magnetron sputtering at room temperature with a bottom gate configuration. The ZnO-TFT operates in the enhancement mode with a threshold voltage of 19 V, a saturation mobility of 27 cm(2)/V s, a gate voltage swing of 1.39 V/decade and an on/off ratio of 3x10(5). The ZnO-TFT presents an average optical transmission (including the glass substrate) of 80% in the visible part of the spectrum. The combination of transparency, high mobility, and room-temperature processing makes the ZnO-TFT a very promising low-cost optoelectronic device for the next generation of invisible and flexible electronics. (C) American Institute of Physics.
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收藏
页码:2541 / 2543
页数:3
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