Revealing Three-in-One Nature of Organic Negative Transconductance Transistors
- Authors
- Shin, Hye-Su; Yoo, Hocheon; Kim, Chang-Hyun
- Issue Date
- Sep-2022
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Transistors; Integrated circuit modeling; Inverters; Voltage measurement; Logic gates; Behavioral sciences; Transconductance; Circuit simulation; device modeling; heterojunction; negative transconductance (NTC); organic field-effect transistors
- Citation
- IEEE TRANSACTIONS ON ELECTRON DEVICES, v.69, no.9, pp.5149 - 5154
- Journal Title
- IEEE TRANSACTIONS ON ELECTRON DEVICES
- Volume
- 69
- Number
- 9
- Start Page
- 5149
- End Page
- 5154
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/85450
- DOI
- 10.1109/TED.2022.3193973
- ISSN
- 0018-9383
- Abstract
- Introducing a negative transconductance (NTC) regime into a switching curve of a field-effect transistor is a promising approach to overcome the fundamental limit of traditional digital logic circuits. However, the operation of NTC devices is only weakly conceptualized up to the present. This study proposes a drastically new way of regarding an NTC transistor as a functional equivalent of three interconnected normal field-effect transistors. The electrical model is directly inspired by the structural and materials characteristics of high-performance organic devices, and it is fully confirmed by measured experimental data. This finding, therefore, rationalizes that the NTC transistors have a unique potential to greatly reduce the transistor count in an integrated circuit, and offers a simple yet universal tool for systematic design and optimization of NTC transistor circuits through simulation-driven engineering.
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