MgZnO-Based Negative Capacitance Transparent Thin-Film Transistor Built on Glass

We demonstrate the first wide bandgap oxide based negative capacitance transparent thin-film transistor (NC-TTFT) built on glass. The Mg<sub>0.03</sub>Zn<sub>0.97</sub>O (MZO) semiconductor served as the channel layer and ferroelectric Ni<sub>0.02</sub>Mg<sub&g...

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Main Authors: Fangzhou Yu, Wen-Chiang Hong, Guangyuan Li, Yuxuan Li, Ming Lu, Yicheng Lu
Format: Article
Language:English
Published: IEEE 2021-01-01
Series:IEEE Journal of the Electron Devices Society
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9525131/
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author Fangzhou Yu
Wen-Chiang Hong
Guangyuan Li
Yuxuan Li
Ming Lu
Yicheng Lu
author_facet Fangzhou Yu
Wen-Chiang Hong
Guangyuan Li
Yuxuan Li
Ming Lu
Yicheng Lu
author_sort Fangzhou Yu
collection DOAJ
description We demonstrate the first wide bandgap oxide based negative capacitance transparent thin-film transistor (NC-TTFT) built on glass. The Mg<sub>0.03</sub>Zn<sub>0.97</sub>O (MZO) semiconductor served as the channel layer and ferroelectric Ni<sub>0.02</sub>Mg<sub>0.15</sub>Zn<sub>0.83</sub>O (NMZO) serves in the gate stack. The Al-doped ZnO (AZO) is employed as the transparent conductive oxide (TCO) for source and drain electrodes. The NC-TTFT on glass shows an average optical transmittance of 91 &#x0025; in the visible spectrum. The subthreshold swing (SS) value is significantly reduced over the reference transparent thin-film transistor (TTFT) without a ferroelectric layer. The minimum SS value of the NC-TTFT reaches 17 mV/dec. With normally-off operation and high on/off current ratio of 107, this NC-TTFT on glass technology shows promising potential for wearable systems such as augmented reality (AR) smart glasses.
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spelling doaj.art-ab502da8299c4096b13ccf045bb817242022-12-21T18:32:11ZengIEEEIEEE Journal of the Electron Devices Society2168-67342021-01-01979880310.1109/JEDS.2021.31089049525131MgZnO-Based Negative Capacitance Transparent Thin-Film Transistor Built on GlassFangzhou Yu0https://orcid.org/0000-0003-4894-2999Wen-Chiang Hong1Guangyuan Li2https://orcid.org/0000-0002-9299-6065Yuxuan Li3https://orcid.org/0000-0003-2596-9646Ming Lu4Yicheng Lu5Department of Electrical and Computer Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ, USADepartment of Electrical and Computer Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ, USADepartment of Electrical and Computer Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ, USADepartment of Electrical and Computer Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ, USACenter for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY, USADepartment of Electrical and Computer Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ, USAWe demonstrate the first wide bandgap oxide based negative capacitance transparent thin-film transistor (NC-TTFT) built on glass. The Mg<sub>0.03</sub>Zn<sub>0.97</sub>O (MZO) semiconductor served as the channel layer and ferroelectric Ni<sub>0.02</sub>Mg<sub>0.15</sub>Zn<sub>0.83</sub>O (NMZO) serves in the gate stack. The Al-doped ZnO (AZO) is employed as the transparent conductive oxide (TCO) for source and drain electrodes. The NC-TTFT on glass shows an average optical transmittance of 91 &#x0025; in the visible spectrum. The subthreshold swing (SS) value is significantly reduced over the reference transparent thin-film transistor (TTFT) without a ferroelectric layer. The minimum SS value of the NC-TTFT reaches 17 mV/dec. With normally-off operation and high on/off current ratio of 107, this NC-TTFT on glass technology shows promising potential for wearable systems such as augmented reality (AR) smart glasses.https://ieeexplore.ieee.org/document/9525131/Negative capacitancetransparent electronicsthin-film transistorsubthreshold swing
spellingShingle Fangzhou Yu
Wen-Chiang Hong
Guangyuan Li
Yuxuan Li
Ming Lu
Yicheng Lu
MgZnO-Based Negative Capacitance Transparent Thin-Film Transistor Built on Glass
IEEE Journal of the Electron Devices Society
Negative capacitance
transparent electronics
thin-film transistor
subthreshold swing
title MgZnO-Based Negative Capacitance Transparent Thin-Film Transistor Built on Glass
title_full MgZnO-Based Negative Capacitance Transparent Thin-Film Transistor Built on Glass
title_fullStr MgZnO-Based Negative Capacitance Transparent Thin-Film Transistor Built on Glass
title_full_unstemmed MgZnO-Based Negative Capacitance Transparent Thin-Film Transistor Built on Glass
title_short MgZnO-Based Negative Capacitance Transparent Thin-Film Transistor Built on Glass
title_sort mgzno based negative capacitance transparent thin film transistor built on glass
topic Negative capacitance
transparent electronics
thin-film transistor
subthreshold swing
url https://ieeexplore.ieee.org/document/9525131/
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AT wenchianghong mgznobasednegativecapacitancetransparentthinfilmtransistorbuiltonglass
AT guangyuanli mgznobasednegativecapacitancetransparentthinfilmtransistorbuiltonglass
AT yuxuanli mgznobasednegativecapacitancetransparentthinfilmtransistorbuiltonglass
AT minglu mgznobasednegativecapacitancetransparentthinfilmtransistorbuiltonglass
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