Youngchan Cho
choyc9000@skku.edu
2026
[16] 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
[Selected as the Inside Front Cover]
[15] 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
[14] Defect-mediated 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, Vol. 12, No. 285 (August 2026)
[13] 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 (November 2026)
[12] CMOS-compatible ferroelectric tunnel junctions integrate stochastic sampling and deterministic computing for 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, Vol. 17, No. 6236 (May 2026)
[11] 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 Communications, Vol. 17, No. 6687 (May 2026)
[10] 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)
[9] 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
[8] 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)
[7] 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, Vol. 17, No. 6236 (May 2026)
[6] 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)
[5] A Monolithic Ferroelectric-Ionic Duality for Stochastic-Neuromorphic Core Integration
Changyeong Han°, Ryun-Han Koo°, Minsuk Song°, Youngchan Cho, Min Wook Kang, Jangsaeng Kim, Jong-Ho Lee, Wonjun Shin* and Daewoong Kwon*
Advanced Materials, Vol. 38, No. 12 (February 2026)
[4] 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)
[3] 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
[2] 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)
[1] Low-frequency noise in CMOS-integrated gas sensors: from a reliability constraint to a selective sensing feature
Chayoung Lee° , Yujeong Jeong°, Ryun-Han Koo°, Youngchan Cho°, Kangwook Choi, Gyuweon Jung, Jaehyeon Kim, Seongbin Hong, Jiseong Im, ung-Tae Lee, Jangsaeng Kim, David Radermacher, Wonjun Shin* andJong-Ho Lee*
Sensors and Actuators B: Chemical, Vol. 446 (September 2025)