Journal

[24] Kyung Seok Woo†, Gwangmin Kim†, Kyung Min Kim*, and Suhas Kumar*
“Role of Heat in Post-Silicon Electronics”
Applied Physics Reviews, 12, 031323 (2025) [link]

[23] Minseong Park, Hung-Ta Chien, Wei-Chen Chen, Arjuman Ara Mimi, Weier Wan, Kyung Seok Woo, Su-in Yi, and Suhas Kumar
“Energy efficient training of private recommendation systems using multi-armed bandit models and analog in-memory computing”
npj Unconventional Computing, 2, 22 (2025) [link]

[22] Kyung Seok Woo, R. Stanley Williams, and Suhas Kumar
“Localized Conduction Channels in Memristors”
Chemical Reviews, 125, 294-325 (2025) [link]
[Special issue: "Neuromorphic Materials"]

[21] Hyungjun Park, Seongpil Yim, Dong Hoon Shin, Tae Won Park, Kyung Seok Woo, Soo Hyung Lee, Jae Min Cho, Hyun Wook Kim, Joon-Kyu Han, Taegyun Park, and Cheol Seong Hwang
“An Analysis of Components and Enhancement Strategies for Advancing Memristive Neural Networks”
Advanced Materials, 37, 2412549 (2025) [link]

[20] Tae Won Park†, Jiwon Moon†, Dong Hoon Shin, Hae Jin Kim, Seung Soo Kim, Jae Min Cho, Hyungjun Park, Kyung Seok Woo, Dong Yun Kim, Sunwoo Cheong, Haewon Song, Jong Hoon Shin, Soo Hyung Lee, Nestor Ghenzi, and Cheol Seong Hwang
“Enhancing Uniformity, Read Voltage Margin, and Retention in Three-Dimensional and Self-Rectifying Vertical Pt/Ta2O5/Al2O3/TiN Memristors”
ACS Applied Materials & Interfaces, 16, 65046-65057 (2024) [link]

[19] Kyung Seok Woo†, Hyungjun Park†, Nestor Ghenzi, Alec Talin, Taeyoung Jeong, Jung-Hae Choi, Sangheon Oh, Yoon Ho Jang, Janguk Han, R. Stanley Williams, Suhas Kumar*, and Cheol Seong Hwang*
“Memristors with Tunable Volatility for Reconfigurable Neuromorphic Computing”
ACS Nano, 18, 17007-17017 (2024) [link]

[18] Kyung Seok Woo, Alan Zhang, Allison Arabelo, Timothy D. Brown, Minseong Park, A. Alec Talin, Elliot J. Fuller, Ravindra Singh Bisht, Xiaofeng Qian, Raymundo Arroyave, Shriram Ramanathan, Luke Thomas, R. Stanley Williams*, and Suhas Kumar*
“True random number generation using the spin crossover in LaCoO3”
Nature Communications, 15, 4656 (2024) [link]
[Featured article] [Neuromorphic hardware and computing collection]

[17] Kyung Seok Woo†, Janguk Han†, Su-in Yi, Luke Thomas, Hyungjun Park, Suhas Kumar*, and Cheol Seong Hwang*
“Tunable stochastic memristors for energy-efficient encryption and computing”
Nature Communications, 15, 3245 (2024) [link]
[Featured article] [Neuromorphic hardware and computing collection]

[16] Kyung Seok Woo†, Yonghee Lee†, Joon-Kyu Han, Tae Won Park, Yoon Ho Jang, and Cheol Seong Hwang
“A ternary gate-connected threshold switching thin-film transistor”
Applied Physics Letters, 124, 153503 (2024) [link]

[15] In Kyung Baek†, Soo Hyung Lee†, Yoon Ho Jang, Hyungjun Park, Jaehyun Kim, Sunwoo Cheong, Sung Keun Shim, Janguk Han, Joon-Kyu Han, Gwang Sik Jeon, Kyung Seok Woo*, and Cheol Seong Hwang*
“Implementation of Bayesian Network and Bayesian Inference using Cu0.1Te0.9/HfO2/Pt Threshold Switching Memristor”
Nanoscale Advances, 6, 2892-2902 (2024) [link]

[14] Jaehyun Kim†, Joon-Kyu Han†, Ho-Young Maeng, Janguk Han, Jeong Woo Jeon, Yoon Ho Jang, Kyung Seok Woo, Yang-Kyu Choi, and Cheol Seong Hwang
“Fully CMOS-Based p-Bits with a Bistable Resistor for Probabilistic Computing”
Advanced Functional Materials, 34, 2307935 (2024) [link]

[13] Sung Keun Shim†, Yoon Ho Jang†, Janguk Han, Jeong Woo Jeon, Dong Hoon Shin, Yeong Rok Kim, Joon-Kyu Han, Kyung Seok Woo, Soo Hyung Lee, Sunwoo Cheong, Jaehyun Kim, Haengha Seo, Jonghoon Shin, and Cheol Seong Hwang
“2Memristor-1Capacitor Integrated Temporal Kernel for High-Dimensional Data Mapping”
Small, 20, 2306585 (2024) [link]

[12] Yoon Ho Jang†, Soo Hyung Lee†, Janguk Han, Woohyun Kim, Sung Keun Shim, Sunwoo Cheong, Kyung Seok Woo, Joon-Kyu Han, and Cheol Seong Hwang
“Spatiotemporal Data Processing with Memristor Crossbar-Array-Based Graph Reservoir”
Advanced Materials, 36, 2309314 (2024) [link]

[11] Nestor Ghenzi†, Tae Won Park†, Seung Soo Kim, Hae Jin Kim, Yoon Ho Jang, Kyung Seok Woo*, and Cheol Seong Hwang*
“Heterogeneous reservoir computing in second-order memristors”
Nanoscale Horizons, 9, 427-437 (2024) [link]
[10th anniversary regional spotlight collection] 

[10] Yoon Ho Jang†, Janguk Han†, Jihun Kim, Woohyun Kim, Kyung Seok Woo, Jaehyun Kim, and Cheol Seong Hwang
“Graph Analysis with Multifunctional Self-Rectifying Memristive Crossbar Array”
Advanced Materials, 35, 2209503 (2023) [link]

[9] Kyung Seok Woo†, Jaehyun Kim†, Janguk Han, Woohyun Kim, Yoon Ho Jang, and Cheol Seong Hwang
“Probabilistic computing using Cu0.1Te0.9/HfO2/Pt diffusive memristors”
Nature Communications, 13, 5762 (2022) [link]
[Featured article] [Neuromorphic hardware and computing collection]

[8] Yoon Ho Jang, Woohyun Kim, Jihun Kim, Kyung Seok Woo, Hyun Jae Lee, Jeong Woo Jeon, Sung Keun Shim, Janguk Han, and Cheol Seong Hwang
“Time-varying data processing with nonvolatile memristor-based temporal kernel”
Nature Communications, 12, 5727 (2021) [link]

[7] Kyung Seok Woo†, Jaehyun Kim†, Janguk Han, Jin Myung Choi, Woohyun Kim, and Cheol Seong Hwang
“A High-Speed True Random Number Generator Based on a CuxTe1-x Diffusive Memristor”
Advanced Intelligent Systems, 3, 2100062 (2021) [link]
[Back cover] [Highlighted in Advanced Science News]

[6] Dae Eun Kwon, Jihun Kim, Young Jae Kwon, Kyung Seok Woo, Jung Ho Yoon, and Cheol Seong Hwang
“Area-Type Electronic Bipolar Resistive Switching of Pt/Al2O3/Si3N3.0/Ti with Forming-Free, Self-Rectification, and Nonlinear Characteristics”
Physica Status Solidi (RRL)-Rapid Research Letters, 14, 2000209 (2020) [link]

[5] Kyung Seok Woo, Yongmin Wang, Yumin Kim, Jihun Kim, Woohyun Kim, and Cheol Seong Hwang
“A Combination of a Volatile-Memristor-Based True Random-Number Generator and a Nonlinear-Feedback Shift Register for High-Speed Encryption”
Advanced Electronic Materials, 6, 1901117 (2020) [link]
[Front cover] 

[4] Dae Eun Kwon, Yumin Kim, Hae Jin Kim, Young Jae Kwon, Kyung Seok Woo, Jung Ho Yoon, and Cheol Seong Hwang
“Bipolar resistive switching property of Si3N4-x thin films depending on N deficiency”
Journal of Materials Chemistry C, 8, 1755-1761 (2020) [link]

[3] Woohyun Kim, Chanyoung Yoo, Eui-Sang Park, Manick Ha, Jeong Woo Jeon, Gil Seop Kim, Kyung Seok Woo, Yoon Kyeung Lee, and Cheol Seong Hwang
“Electroforming-Free Bipolar Resistive Switching in GeSe Thin Films with a Ti-Containing Electrode”
ACS Applied Materials & Interfaces, 11, 38910-38920 (2019) [link]

[2] Kyung Seok Woo, Yongmin Wang, Jihun Kim, Yumin Kim, Young Jae Kwon, Jung Ho Yoon, Woohyun Kim, and Cheol Seong Hwang
“A True Random Number Generator Using Threshold-Switching-Based Memristors in an Efficient Circuit Design”
Advanced Electronic Materials, 5, 1800543 (2019) [link]

[1] Woohyun Kim, Sijung Yoo, Chanyoung Yoo, Eui-Sang Park, Jeongwoo Jeon, Young Jae Kwon, Kyung Seok Woo, Han Joon Kim, Yoon Kyeung Lee and Cheol Seong Hwang
“Atomic layer deposition of GeSe films using HGeCl3 and [(CH3)3Si]2Se with the discrete feeding method for the ovonic threshold switch”
Nanotechnology, 29, 365202 (2018) [link]