Intelligent Memory Computing
Device Laboratory
We are looking for highly motivated M.S./Ph.D. students who have interests in the nanoscale
semiconductor device for memory, logic, and neuromorphic computing application.
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Publication
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2025Machine Learning-Assisted Analysis on Dummy Hole-Less String Select Line Transistor for High-Density 3D NAND Flash
Hee Seung Kim#, Han Byeol Oh, Suk-Kang Sung, Byung Chul Jang*, IEEE Transactions on Eelectron Devices, (In preparation) (2025) [IF:2.9]
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2025
Recessed Source/Drain structure for Scalable High-Voltage Pass Transistor in 3D NAND Flash memory
Chae Eun Kim#, Namju Kim#, Suk-Kang Sung, Byung Chul Jang*, IEEE Transactions on Eelectron Devices, (In preparation) (2025) [IF:2.9]
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2025
Investigation of Buried Channel Array Transistor for High-Voltage Pass Transistor in 3D NAND Flash memory
Hyeun Woo Shin#, Namju Kim#, Suk-Kang Sung, Byung Chul Jang*, IEEE Transactions on Eelectron Devices, (In preparation) (2025) [IF:2.9]
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2025
More-than-Moore approaches implemented using the unique properties of van der Waals heterostructures
Sangmin Lee#, Yeong Kwon Kim#, Byung Chul Jang*, Sungjoo Lee*, ACS Nano, (Under revision) (2025) [IF:15.8]
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2025
Modeling of Conductive Filament Behaviors According to Inorganic Concentration Changes in Hybrid Polymeric Ultra-Thin Films
Ji In Kim#, Yeong Kwon Kim#, Byung Chul Jang*, Min Ju Kim*, ACS Applied Electronic Materials, (2025) [IF:4.4]
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2025
Physics-based Numerical Model for Endurance Degradation in 3D NAND Flash Memory
Han Byeol Oh#, Hee Seung Kim, Myeong Gi Kim, Jaeduk Lee, and Byung Chul Jang*, IEEE Electron Device Letters, (Under revision) (2025) [IF:4.1]
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2025
Steep-Slope CuInP2S6 Ferroionic Threshold Switching Field-Effect Transistor for Implementation of Artificial Spiking Neuron
Sungpyo Baek#, Young Kwon Kim#, HaeJu Choi, Sang-Min Lee, Byung Chul Jang*, and Sungjoo Lee*, Advanced Materials, (Under revision) (2025) [IF:27.4]
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2025
MoS2 Channel-Enhanced High-Density Charge Trap Flash Memory and Machine Learning-Assisted Sensing Methodologies for Memory-Centric Computing Systems
Ki Han Kim#, Ju Han Park#, Khang June Lee#, Ji-Won Seo, Yeong Kwon Kim, Junhwan Choi, Min-Jae Seo*, and Byung Chul Jang*, Advanced Science, (2025) [IF:14.3]
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2025
Generative AI empowered with quantized memristor for dermatology decision support
Namju Kim#, Jun-Hwe Cha#, Yeong Kwon Kim#, Inyong Kim, Minkyu Jeong, Junhwan Choi, and Byung Chul Jang*, Device [Cell press's sister journal], (Accepted) (2025)
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2025
Ultrafast and Universal Synthetic Route for Nanostructured Transition Metal Oxides Directly Grown on Substrates
Si Heon Lim, Geunwoo Kim, Sungjin Cho, Yeong Kwon Kim, Eun Bee Ko, Seon Yeon Choi, Jung A Heo, Daegun Kim, Hocheon Yoo, So‐Yeon Lee, YongJoo Kim, Pil‐Ryung Cha, Dong Yun Lee, Sunghun Lee, Byung Chul Jang, Yeonhoo Kim, Hyun Ho Kim*, Advanced Materials, 37, 2418407, (2025) [IF:27.4]
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2025
Rolling the dice with light competition: Introducing a true random number generator powered by photo-induced polarity current
Taehyun Park#, Juhyung Seo#, Namju Kim#, Chaehyun Kim#, Yeong Jae Kim, Hyeonghun Kim, Hyun Ho Kim, Seyong Oh, Dong Chan Kim, Donghee Son, Jaehyun Hur*, Young-Joon Kim*, Byung Chul Jang*, Hocheon Yoo*, Advanced Materials, 37, 2419579, (2025) [IF:27.4]
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2025
Material engineering to enhance reliability in 3D NAND flash memory
Ki Han Kim#, Namju Kim#, Yeong Kwon Kim#, Hee Seung Kim, Han Byeol Oh, Chae Eun Kim, Hyeun Woo Shin, Myeong Gi Kim, Won Jun Choi, Byung Chul Jang*, Device [Cell press's sister journal], 3, 100682 (2025)
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2024
Enhancing Computing Capacity via Reconfigurable MoS2-Based Artificial Synapse with Dual Feature Strategy for Wide Reservoir Computing
Hyeonji Lee#, Jungyeop Oh#, Wonbae Ahn, Mingu Kang, Seohak Park, Hyunmin Kim, Seungsun Yoo, Byung Chul Jang, Sung-Yool Choi, Advanced Functional Materials, 35, 2416811, (2024) [IF:18.5]
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2024
Random Number Generators and Spiking Neurons from Metal Oxide/Small Molecules Heterojunction N-shape Switching Transistors
Juhyung Seo#, Seungme Kang#, Divake Kumar#, Wonjun Shin#, Jinill Cho, Taesung Kim, Yeongkwon Kim, Byung Chul Jang, Amit R. Trivedi, Hocheon Yoo, Advanced Functional Materials, 35, 2411348, (2024) [IF:18.5]
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2024
Spiking neural network integrated with impact ionization field-effect transistor neuron and a ferroelectric field-effect transistor synapse
Haeju Choi, Sungpyo Baek, Hanggyo Jung, Taeho Kang, Sangmin Lee, Jongwook Jeon, Byung Chul Jang*, Sungjoo Lee*, Advanced Materials, 2406970 (2024) [IF:27.4]
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2024
A Nonconjugated Radical Polymer Enables Bimodal Memory and In-Sensor Computing Operation
Jaehyoung Ko, Daeun Kim, Quynh H. Nguyen, Changhyeon Lee, Namju Kim, Byung Chul Jang*, Sung Gap Im*, Yongho Joo*, Science Advances, 10, eadp0778 (2024) [IF:11.7]
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2024
Dual Synapses from Ternary C60-Pentacene-TiO2-x Nanorods Heterostructures
Yunchae Jeon#, Gyeongho Lee#, Yeong Jae Kim, Byung Chul Jang*, Hocheon Yoo*, Advanced Functional Materials, 34, 24095780(2024) [IF:18.5]
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2024
Versatile Papertronics: Photo-induced Synapse and Security Applications on a Papers
Wangmyung Choi#, Jihyun Shin#, Yeong Jae Kim, Jaehyun Hur, Byung Chul Jang*, Hocheon Yoo*, Advanced Materials, 36, 2312831 (2024) [IF: 27.4] [Inside Front Cover]
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2024
Low-Power Charge Trap Flash Memory with MoS2 Channel for High-Density In-Memory Computing
Yeong Kwon Kim#, Sangyong Park#, Junhwan Choi, Hamin Park*, Byung Chul Jang*, Advanced Functional Materials, 36, 2405670 (2024) [IF:18.5]
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2024
Nanoristors: Highly Uniform, Sub-500-Millivolt, Large-Scale, and Robust Molybdenum Disulfide Nanograined Memristor
Gunhoo Woo#, Hyeong-U Kim#, Byung Chul Jang#, Muhammad Naqi, Seongin Hong, Arindam Bala, Seunghun Kang, Yunseok Kim, Sunkook kim, Taesung Kim, Jae-Joon Kim*, Hocheon Yoo*, Journal of Materials Chemistry C, 12, 6350-6358 (2024) [IF:5.7]
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2024
Multi-Dimensional Physically Unclonable Functions: Optoelectronic Variation-Induced Multi-Key Generation from Small Molecule PN Heterostructures
Jihyun Shin#, Raksan Ko#, Taehyun Park#, Yeong Jae Kim, Byung Chul Jang*, Hocheon Yoo*, Advanced Functional Materials, 34, 2314949 (2024) [IF: 18.5]
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2024
Imitating Synapse Behavior: Exploiting Off-Current in TPBi-doped Small Molecules Phototransistors for Broadband Wavelength Recognition
Seungme Kang, Sunyoung Sohn, Hyeran Kim, Hyung Joong Yun, Byung Chul Jang*, Hocheon Yoo*, ACS Applied Materials&Interfaces, 16, 11758-11766 (2024) [IF:8.3]
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2024
Realistic Chest X-ray Image Synthesis via Generative Network with Stochastic Memristor Array for Machine Learning-based Medical Diagnosis
Namju Kim#, Jungyeop Oh#, Sungkyu Kim#, Jun-Hwe Cha, Junhwan Choi, Sung Gap Im, Sung-Yool Choi*, and Byung Chul Jang*, Advanced Functional Materials, 34, 2305136 (2024) [IF:18.5] [Inside Back Cover]
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2024
Strengthening Multi-Factor Authentication through Physically Unclonable Functions in PVDF-HFP-Phase-Dependent a-IGZO Thin-Film Transistors
Youngmin Han#, Subin Lee#, Eun Kwang Lee#, Hocheon Yoo*, Byung Chul Jang*, Advanced Science, 11, 2309221 (2024) [IF:14.3]
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2023
Machine Learning Attacks-Resistant Security by Mixed-Assembled Layers-Inserted Graphene Physically Unclonable Function
Subin Lee#, Byung Chul Jang#, Minseo Kim#, Si Heon Lim, Eunbee Ko, Hyun Ho Kim*, Hocheon Yoo*, Advanced Science, 10, 2302604 (2023) [IF:14.3] [Frontispiece Cover]
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2023
Unpredictably Disordered Distribution of Hetero-blended Graphene Oxide Flakes with non-identical Resistance in Physical Unclonable Functions
Subin Lee#, Seon Yeon Choi#, Byung Chul Jang#, Dong Hyun Lee#, Joon Young Cho, Joong Tark Han, Hocheon Yoo*, Hyun Ho Kim*, Advanced Functional Materials, 33, 2304432 (2023) [IF:18.5] [Inside Front Cover]
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2023
Preventing Vanishing Gradient Problem of Hardware Neuromorphic System by Implementing Imidazole-Based Memristive ReLU Activation Neuron
Jungyeop Oh#, Sungkyu Kim#, Changhyeon Lee, Jun-Hwe Cha, Sang Yoon Yang, Sung Gap Im, Byung Chul Jang*, and Sung-Yool Choi*, Advanced Materials, 23, 2300023 (2023) [IF:27.4] [Inside Front Cover]
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2023
Hardware-Based Security Devices using a Physical Unclonable Function Created by the Irregular Grain Boundaries Found in Perovskite Calcium Titanate
Subin Lee, Eun Kwang Lee, Byung Chul Jang*, and Hocheon Yoo*, Journal of Alloys and Compounds, 969, 172329 (2023) [IF:5.8]
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2023
Double-floating-gate van der Waals transistor for high-precision synaptic operations
Hoyeon Cho, Donghyun Lee, Kyungmin Ko, Dur-Yuh Lin, Beomsung Park, Byung Chul Jang, Dong-Hyeok Lim, and Joonki Suh, ACS Nano, 17, 7384 - 7393 (2023) [IF:15.8]
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2023
Imidazole-based artificial synapses for neuromorphic computing: Cluster-type conductive filament via controllable nanocluster nucleation
Jungyeop Oh, Sang Yoon Yang, Sungkyu Kim, Changhyeon Lee, Jun-Hwe Cha, Byung Chul Jang, Sung Gap Im, Sung-Yool Choi, Materials Horizons, 10, 2035-2046 (2023) [IF:12.2]
Our News
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13
2024.12
박사과정 김기한 2024년 첨성인 대학원생 논문 경진대회 장려상 수상
박사과정 김기한 2024년 첨성인 대학원생 논문 경진대회 장려상 수상
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17
2024.07
석사과정 김기한 2024년 KNU-EE Research Congress 논문어워드 (Oral Presentation) 우수논문상 수상
전자전기공학부 장병철교수님 연구실 석사과정 김기한 대학원생이 2024년 KNU-EE Research Congress 논문어워드(Oral Presentation)에서 수여하는 우수논문상을 수상하였다.
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09
2024.04
박사과정 김남주 제1호 대학원 대통령과학장학생 선정
과학기술정보통신부(장관 이종호)는 석·박사 이공계 인재의 자긍심을 고취하고 세계 최고 수준의 연구인력으로 성장하는 것을 뒷받침하기 위해 대학원 대통령과학장학생 120명을 최종 선발하고 4월부터 장학금을 즉시 지급한다고 7일 밝혔다. 분야별 선발인원은 신청 접수 인원에 비례 배분하여, 대분류 기준으로 △자연과학 총 19명(석사 9명, 박사 10명) △생명과학…
Research Highlights
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2025Understanding of Incremental Step Pulse Programming (ISPP) Slope Degradation in 3D NAND and its Band-Engineered Trap Layer Solution
Ki Han Kim, Woo Cheol Shin, Ui Do Ji, Yeong Kwon Kim, Namju Kim, Han Byeol Oh, Sang Hyun Oh, and Byung Chul Jang*, IEEE International Reliability Physics Symposium (IRPS), Monterey, USA, (2025)
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2025Material engineering to enhance reliability in 3D NAND flash memory
Ki Han Kim#, Namju Kim#, Yeong Kwon Kim#, Hee Seung Kim, Han Byeol Oh, Chae Eun Kim, Hyeun Woo Shin, Myeong Gi Kim, Won Jun Choi, Byung Chul Jang*, Device [Cell press's sister journal], 3, 100682, (2025)