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J-MISFET Hybrid Dual-Gate Switching Device for Multifunctional Optoelectronic Logic Gate Applications

Authors
 Si Eun Yu  ;  Han Joo Lee  ;  Min-Gu Kim  ;  Seongil Im  ;  Young Tack Lee 
Citation
 ACS NANO, Vol.18(17) : 11404-11415, 2024-04 
Journal Title
ACS NANO
ISSN
 1936-0851 
Issue Date
2024-04
Keywords
JFET ; MISFET ; hybrid dual-gate FET ; optoelectronic security logic system ; switchable logic
Abstract
High-performance and low operating voltage are becoming increasingly significant device parameters to meet the needs of future integrated circuit (IC) processors and ensure their energy-efficient use in upcoming mobile devices. In this study, we suggest a hybrid dual-gate switching device consisting of the vertically stacked junction and metal–insulator–semiconductor (MIS) gate structure, named J-MISFET. It shows excellent device performances of low operating voltage (<0.5 V), drain current ON/OFF ratio (∼4.7 × 105), negligible hysteresis window (<0.5 mV), and near-ideal subthreshold slope (SS) (60 mV/dec), making it suitable for low-power switching operation. Furthermore, we investigated the switchable NAND/NOR logic gate operations and the photoresponse characteristics of the J-MISFET under the small supply voltage (0.5 V). To advance the applications further, we successfully demonstrated an integrated optoelectronic security logic system comprising 2-electric inputs (for encrypted data) and 1-photonic input signal (for password key) as a hardware security device for data protection. Thus, we believe that our J-MISFET, with its heterogeneous hybrid gate structures, will illuminate the path toward future device configurations for next-generation low-power electronics and multifunctional security logic systems in a data-driven society.
Full Text
https://pubs.acs.org/doi/10.1021/acsnano.4c01450
DOI
10.1021/acsnano.4c01450
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Medical Engineering (의학공학교실) > 1. Journal Papers
Yonsei Authors
Kim, Min-Gu(김민구)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/199256
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