Youngchan Cho
choyc9000@skku.edu
2026
[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, Accepted
[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, Accepted
[6] Hybrid ferroelectric-ionic memristive hardware for ultrahigh 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, 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, Accepted
[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)