NIMTE OpenIR  > 2018专题
Solution-processed Ga-Cd-O thin-films with tunable bandgaps and their transistors
Liang, Lingyan; Liang, Yu; Wu, Weihua; Song, Anran; Yu, Jingjing; Chang, Ting-Chang; Lan, Linfeng; Yao, Zhiqiang; Cao, Hongtao
2018
Source PublicationJOURNAL OF PHYSICS D-APPLIED PHYSICS
Volume51Issue:33
AbstractGa-Cd-O (GCO) thin films with different Ga contents were fabricated based on a solution-processed method. The direct optical bandgap of GCO films is changed from 2.89 to 4.53 eV with the Ga-content from 30% to 100% and their relationship agrees well with a second-order equation. The Raman spectra of GCO are dominated by three main features: a relatively sharp peak at similar to 260 cm(-1) and two broad features at similar to 405 and 949 cm(-1), and their variations with the Ga-content are analyzed associated with their phonon mode assignment. Moreover, thin-film transistors using the GCO channels all exhibit n-type transistor characteristics and the evolution of their key electrical parameters with the Ga-content is well elucidated by the structural and morphological properties. A saturation field-effect mobility of 5.1 cm(2) V-1 s(-1), on/off current ratio of 2.1 x 10(7), subthreshold slop of 0.83 V/dec, and threshold voltage of -6.8 V were achieved by the 50% Ga-content device.
KeywordAmorphous Oxide Semiconductors Temperature Phototransistor Responsivity Transport Displays
Subject AreaMaterials Science ; Physics
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/17252
Collection2018专题
Recommended Citation
GB/T 7714
Liang, Lingyan,Liang, Yu,Wu, Weihua,et al. Solution-processed Ga-Cd-O thin-films with tunable bandgaps and their transistors[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS,2018,51(33).
APA Liang, Lingyan.,Liang, Yu.,Wu, Weihua.,Song, Anran.,Yu, Jingjing.,...&Cao, Hongtao.(2018).Solution-processed Ga-Cd-O thin-films with tunable bandgaps and their transistors.JOURNAL OF PHYSICS D-APPLIED PHYSICS,51(33).
MLA Liang, Lingyan,et al."Solution-processed Ga-Cd-O thin-films with tunable bandgaps and their transistors".JOURNAL OF PHYSICS D-APPLIED PHYSICS 51.33(2018).
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