Youngchan Cho
choyc9000@skku.edu
2026
[14] Noise-Limited Bit Precision in Ferroelectric Synaptic Transistors for High-Resolution Neuromorphic Computing
Jaehong Park°, Yeonseop Shin°, Changhyeon Han°, Sangwoo Kim, Eunchan Park, Youngchan Cho, Jaehong Min, Hyunjun Ahn, Jaekyoung Park, Cheol-Woong Yang, Jangsaeng Kim*, Daewoong Kwon* and Wonjun Shin*
Advanced Functional Materials, Accepted
[13] Antimony-Contact MoS2 FET Gas Sensors for Reinforcement-Learning–Driven Hazard Perception at Room Temperature
Youngchan Cho°, Jinhyeok Pyo°, Yeonseop Shin°, Min Wook Kang, Yebin Oh, Se-Hyun Hwang, Sohyeon Park, David Radermacher, Saeroonter Oh, Daewoong Kwon, Sung-Tae Lee*, Junho Choi*, Jangsaeng Kim*, Wonjun Shin* and Sangyeon Pak*
Microsystems & Nanoengineering, Accepted
[12] Body Defect-Mediated Nonlinear Generation-Recombination Dynamics Governing Conductance Response in Floating-Body Transistors
Been Kwak, Changhyeon Han, Joonhyeok Choi, Hwoibin You, Youngchan Cho, Sangwan Kim, Wonjun Shin* and Daewoong Kwon*
Microsystems & Nanoengineering, Accepted
[11] Ferroelectric Gas Sensors for Edge Intelligence
Hosu Park, Seojun Hwang , Jisu Jang ,Youngchan Cho, Sangwan Kim, Daewoon Kwon*, Gyuweon Jung* and Wonjun Shin*
Sensors and Actuators B: Chemical, Vol. 466, No. 1 (June 2026)
[10] Hybrid ferroelectric-ionic memristive hardware for high scalability in-memory computing
Jeong-Han Kim, Wonjun Shin, Ryun-Han Koo, Jangsaeng Kim, Eugene Park, Piush Behera, Sojin Kim, Jinseok Hong, Feras Al-Dirini, Been Kwak, Jiwon You, Jiseong Im, Dooyong Koh, Yejin Hong, Qinyuan Xue, Hyun-Min Kim, Hyunho Seok, Youngchan Cho, Hwiin Ju, Wooje Jung, Kyunghwan Lee, Daewon Ha, Jong-Ho Lee, Seung-Yong Lee, Deok-Hwang Kwon, Frances M. Ross, Youngho Kang, Suraj S. Cheema* and Daewoong Kwon*
Nature Communication (May 2026)
[9] Thermally Activated Excess Noise by Subgap Density-of-states in Si-Doped ZnSnO Thin-Film Transistor-Type Gas Sensor
Sung-Tae Lee, Ji Ye Lee, Youngchan Cho, David Radermacher, Yoonki Hong, Sang Yeol Lee* and Wonjun Shin*
Microsystems & Nanoengineering, Vol. 12, No. 184 (May 2026)
[8]A ferroelectric-ionic-trapping transistor for ultra-low power and secure neuromorphic computing
Changhyeon Han, Youngchan Cho, Dongbin Kim, Se-Hyun Hwang, Minsuk Song, Been Kwak, David Radermacher, Min Wook Kang, Sangwan Kim, Jangsaeng*, Wonjun Shin* and Daewoong Kwon*
Nature Communication, Accepted
[7] A novel observation of negative differential resistance in a standard CMOS transistor and its applications on compact frequency doubler
Been Kwak, Youngchan Cho, Changhyeon Han, Jongwoo Lee, Sangwan Kim, Yunho Shin, Joonhyeok Choi, Dongbin Kim, Seung June Lee, Seunghoo Lee, Wonjun Shin*, Daewoong Kwon*
Microsystems & Nanoengineering, Vol. 12, No. 186 (May 2026)
[6]CMOS-Compatible FTJ Hardware Unifying Stochastic Sampling and Deterministic Computing for On-Chip Image Generation
Ryun-Han Koo, Jonghyun Ko, Wonjun Shin, Sangwoo Ryu, Jiseong Im, Sung-Ho Park, Joon Hwang, Minsuk Song, Youngchan Cho, Jangsaeng Kim, Gyuweon Jung, Daewoong Kwon and Jong-Ho Lee*
Nature Communications, (May 2026)
[5] Repurposing Si CMOS Nonidealities for Stochastic and Analog Image Processing
Been Kwak, Ryun-Han Koo, Changhyeon Han, Yunho Shin, Joonhyeok Choi, Dongbin Kim, Jongwoo Lee, Jiseong Im, Youngchan Cho, Jong-Ho Lee, Wonjun Shin* and Daewoong Kwon*
Science Advances, Vol. 12, No. 8 (February 2026)
[4] A Monolithic Ferroelectric-Ionic Duality for Stochastic-Neuromorphic Core Integration
Changyeong Han, Ryun-Han Koo, M. Song, Youngchan Cho, Min Wook Kang, Jangsaeng Kim, Jong-Ho Lee, Wonjun Shin* and Daewoong Kwon*
Advanced Materials, Vol. 38, No. 12 (February 2026)
[3] In materia shaping of randomness with a standard complementary metal-oxide-semiconductor transistor for task-adaptive entropy generation
Been Kwak, Ryun-Han Koo, Youngchan Cho, Changhyeon Han, Dongbin Kim, Soi Jeong, Yunho Shin, Joonhyeok Choi, Jiseong Im, Jonghyun Ko, Jonh-Ho Lee, Jangsaeng Kim, Youngho Kang, Wonjun Shin and Daewoong Kwon*
Advanced Functional Materials, Vol. 36, No. 23 (March 2026)
[2] Physical Reservoir Computing System via Hybrid Ferroelectric-Ionic Transistors
Ryun-Han Koo , Changhyeon Han , Jiyong Yim, Jiseong Im, Youngchan Cho, Jong-Ho Lee, Suraj S. Cheema, Jangsaeng Kim, Wonjun Shin and Daewoong Kwon*
Advanced Materials, Vol. 38, No. 2 (January 2026)
2025
[1] Unraveling Ionic Switching Dynamics in High-k Dielectric Double-Gate Transistors via Low-Frequency Noise Spectroscopy
Soi Jeong, Chang-Hyeon Han, Been Kwak, Ryun-Han Koo, Youngchan Cho, Jangsaeng Kim, Jong-Ho Lee, Daewoong Kwon* and Wonjun Shin*
Nano Convergence, Vol. 12, No. 48 (October 2025)