Achieving High Mobility and Excellent Stability in Amorphous In-Ga-Zn-Sn-O Thin-Film Transistors
- Authors
- Choi, Il Man; Kim, Min Jae; On, Nuri; Song, Aeran; Chung, Kwun-Bum; Jeon, Hoon; Park, Jeong Ki; Jeong, Jae Kyeong
- Issue Date
- Mar-2020
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Amorphous indium gallium zinc oxide (a-IGZO); amorphous indium gallium zinc tin oxide (a-IGZTO); high performance; mass density; thin-film transistors (TFTs)
- Citation
- IEEE TRANSACTIONS ON ELECTRON DEVICES, v.67, no.3, pp.1014 - 1020
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON ELECTRON DEVICES
- Volume
- 67
- Number
- 3
- Start Page
- 1014
- End Page
- 1020
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/10616
- DOI
- 10.1109/TED.2020.2968592
- ISSN
- 0018-9383
- Abstract
- This article reports the fabrication of highperformance amorphous indium gallium zinc tin oxide (a-IGZTO) thin-film transistors (TFTs) with superior bias stability. For comparison, amorphous indium gallium zinc oxide (a-IGZO) TFTswere also investigated to clarify the origin of the superior performance of IGZTO TFTs. It was found that the simultaneous heavy loading of In and Sn into the IGZTO system facilitated an effective mass densification, leading to a reduction in tail states and deep states. The fabricated a-IGZTO TFTs exhibited a high electron mobility (mu FE) of 46.7 cm(2)/Vs, a subthreshold swing (SS) gate of 0.15 V/decade, and an ION/ OFF ratio >1 x 10(8). Furthermore, greater gate-bias stress stabilitywas observed for the IGZTO TFTs compared with the IGZO TFTs.
- Files in This Item
-
Go to Link
- Appears in
Collections - 서울 공과대학 > 서울 융합전자공학부 > 1. Journal Articles
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.