Selected Articles
2025
Physical reservoir computing system fully implemented using a single flash memory device via tailored decay pulse modulation
D Ryu, S Park, S Kim, HH Lee, S Kim, WY Choi
Nano Energy, 111525
Hybrid WS2‐Based Memristor With Tunable Conductance Modulation for Neuromorphic and Nociceptive Learning
M Ismail, H Na, Y Lee, M Rasheed, C Mahata, JK Lee, S Kim
Small, e08508
Universal Neuromorphic Element: NbOx Memristor with Co‐Existing Volatile, Non‐Volatile, and Threshold Switching
U Byun, H Na, S Kim
Advanced Functional Materials, e19431
Synergistic multi-wavelength optical stimulation enhances synaptic dynamics and reservoir computing performance in ferroelectric thin-film transistors
S Lee, H Jang, G An, S Ju, S Kim
Nano Energy, 111395
Optically Tunable Synaptic Plasticity and Memory Emulation in Au-Nanoparticle Enhanced HfTiOx/Al2O3-Based Photonic Memristors
C Mahata, M Ismail, H Kim, S Kim
Advanced Functional Materials, e10663
Integrated Design of Electrically Configurable Ferroelectric and Redox-Based Memristors for Hardware-Implemented Reservoir Computing
JK Lee, Y Park, E Seo, JH Lee, S Kim, S Kim
Advanced Science, e05688
Energy Efficient Hybrid Reservoir Computing Using Hf0.5Zr0.5O2 Ferroelectric Thin‐Film Transistors with an Integrated Optically and Electrically Synaptic Functions
S Lee, G An, D Kim, H Lee, S Kim, TH Kim
Small, 2501276
TiN/TiOx/BaTiO3/Pt heterostructure memristors for adaptive neuromorphic systems
M Ismail, H Na, M Rasheed, C Mahata, HS Kim, HS Kim, J Moon, S Kim
Chemical Engineering Journal, 166292
Synaptic metaplasticity and associative learning in low-power neuromorphic computing using W-diffused BaTiO₃ memristors
M Ismail, H Na, M Rasheed, C Mahata, Y Kim, S Kim
Nano Energy, 111276
Reset-dominant accurate synaptic weight mapping in passive memristor arrays for energy-efficient spiking neural networks
Y Byun, G Kim, S Kim, S Kim
Nano Energy, 111261
HfAlOx-based optical ferroelectric memristor with transparent electrode for RGB color image classification via physical reservoir
W Park, G Kim, H Chae, S Lee, S Kim
Nano Energy 142, 111190
Ferroelectric memristor crossbar arrays for highly integrated neuromorphic computing system
Y Park, E Lim, S Lee, V Georgiev, S Kim, S Kim
Nano Energy 141, 111137
InGaZnO Optoelectronic Synaptic Transistor for Reservoir Computing and LSTM‐Based Prediction Model
S Park, S Kim, S Kim, K Park, D Ryu, S Kim
Advanced Optical Materials, 2500634
Enhanced Reliability and Controllability in Filamentary Oxide‐Based 3D Vertical Structured Resistive Memory with Pulse Scheme Algorithm for Versatile Neuromorphic Applications
H Na, S Kim
Advanced Functional Materials, 2500956
Fully hardware-oriented physical reservoir computing using 3D vertical resistive switching memory with different bottom electrodes
J Park, G Kim, S Kim
Materials Horizons
Self‐Rectifying Volatile Memristor for Highly Dynamic Functions
D Ju, M Noh, S Lee, G Kim, J Park, S Kim
Advanced Functional Materials, 2423880
3D Vertical Ferroelectric Capacitors with Excellent Scalability
E Lim, Y Park, C Youn, S Kim
Nano Letters
Metaplasticity and Reservoir Computing in Bio‐Realistic Artificial Synapses with Embedded Localized Au‐Nanoparticle‐Based Memristors
C Mahata, G Kim, H So, M Ismail, CC Hsu, S Kim, S Kim
Advanced Functional Materials, 2416862
Precise weight tuning in quantum dot-based resistive-switching memory for neuromorphic systems
G Kim, D Yoo, H So, S Park, S Kim, MJ Choi, S Kim
Materials Horizons
Exploitation of temporal dynamics and synaptic plasticity in multilayered ITO/ZnO/IGZO/ZnO/ITO memristor for energy-efficient reservoir computing
M Ismail, S Lee, M Rasheed, C Mahata, S Kim
Journal of Materials Science & Technology
Optically and electrically modulated artificial synapses based on MoS2/PZT ferroelectric field-effect transistor for neuromorphic computing system
W Chung, D Kim, J Kim, J Park, S Kim, S Lee
Journal of Materials Science & Technology
2024
Cost‐Effective and Fully Hardware‐Oriented Reservoir Computing Based on IGZO/HZO Ferroelectric Thin‐Film Transistor with Electrically and Optically Distinguishable States
D Kim, S Lee, Y Lee, Y Park, J Lee, S Kim
Advanced Functional Materials, 2409095
Versatile NbOx‐Based Volatile Memristor for Artificial Intelligent Applications
D Ju, S Kim
Advanced Functional Materials, 2409436
Configurable Synaptic and Stochastic Neuronal Functions in ZnTe-Based Memristor for an RBM Neural Network
J Heo, S Kim, S Kim, MH Kim
Advanced Science, 2405768
Memristive Architectures Exploiting Self-Compliance Multilevel Implementation on 1 kb Crossbar Arrays for Online and Offline Learning Neuromorphic Applications
S Kim, H Ji, K Park, H So, H Kim, S Kim, WY Choi
ACS nano
Nitrogen doping effect on InGaZnO-based artificial synapse for implementing reservoir computing and SVHN dataset pattern recognition
C Mahata, H So, D Ju, M Ismail, S Kim, CC Hsu, K Park, S Kim
Nano Energy, 110015
Exploration of Analog Synaptic Plasticity and Convolutional Neural Network Simulation in Bilayer TiOxNy/SnOx Memristor for Neuromorphic Systems
M Ismail, D Kim, E Lim, M Rasheed, C Mahata, Y Seo, S Kim
ACS Materials Letters 6, 3514-3522
Implementation of 8-bit reservoir computing through volatile ZrOx-based memristor as a physical reservoir
D Ju, M Koo, S Kim
Nano Energy, 109958
Sophisticated Conductance Control and Multiple Synapse Functions in TiO2‐Based Multistack‐Layer Crossbar Array Memristor for High‐Performance Neuromorphic Systems
H So, H Ji, S Kim, S Kim
Advanced Functional Materials, 2405544
Programmable Retention Characteristics in MoS2-Based Atomristors for Neuromorphic and Reservoir Computing Systems
Y Lee, Y Huang, YF Chang, SJ Yang, ND Ignacio, S Kutagulla, S Mohan, ...
ACS nano
Artificial Neural Network Classification Using Al-Doped HfOx-Based Ferroelectric Tunneling Junction with Self-Rectifying Behaviors
E Lim, D Ju, J Lee, Y Park, MH Kim, S Kim
ACS Materials Letters 6, 2320-2328
Realization of future neuro-biological architecture in power efficient memristors of Fe3O4/WS2 hybrid nanocomposites
F Ghafoor, M Ismail, H Kim, M Ali, S Rehman, B Ghafoor, MA Khan, H Patil, ...
Nano Energy 122, 109272
Artificial synapses based on 2D-layered palladium diselenide heterostructure dynamic memristor for neuromorphic applications
C Mahata, D Ju, T Das, B Jeon, M Ismail, S Kim, S Kim
Nano Energy 120, 109168
Synaptic Characteristics and Vector‐Matrix Multiplication Operation in Highly Uniform and Cost‐Effective Four‐Layer Vertical RRAM Array
J Kim, S Lee, S Kim, S Yang, JK Lee, TH Kim, M Ismail, C Mahata, Y Kim, ...
Advanced Functional Materials, 2310193
Volatile and Nonvolatile Resistive Switching Coexistence in Conductive Point Hexagonal Boron Nitride Monolayer
SJ Yang, L Liang, Y Lee, Y Gu, J Fatheema, S Kutagulla, D Kim, M Kim, ...
ACS nano 18 (4), 3313-3322
2023
Transition of short-term to long-term memory of Cu/TaOx/CNT conductive bridge random access memory for neuromorphic engineering
J Kim, JH Choi, S Kim, C Choi, S Kim
Carbon 215, 118438
Unveiling the Potential of HfO2/WS2 Bilayer Films: Robust Analog Switching and Synaptic Emulation for Advanced Memory and Neuromorphic Computing
M Ismail, M Rasheed, S Kim, C Mahata, M Kang, S Kim
ACS Materials Letters 5, 3080-3092
Mimicking biological synapses with a-HfSiOx-based memristor: implications for artificial intelligence and memory applications
M Ismail, M Rasheed, C Mahata, M Kang, S Kim
Nano Convergence 10 (1), 1-15
Improved synaptic performances with tungsten-doped indium-tin-oxide alloy electrode for tantalum oxide-based resistive random-access memory devices
C Mahata, J Pyo, B Jeon, M Ismail, J Moon, S Kim
Advanced Composites and Hybrid Materials 6 (4), 1-14
~2022
Implementation of convolutional neural network and 8-bit reservoir computing in CMOS compatible VRRAM
J Park, TH Kim, O Kwon, M Ismail, C Mahata, Y Kim, S Kim, S Kim
Nano Energy 104, 107886
Optimizing the thickness of Ta2O5 interfacial barrier layer to limit the oxidization of Ta ohmic interface and ZrO2 switching layer for multilevel data storage
M Ismail, H Abbas, C Mahata, C Choi, S Kim
Journal of Materials Science & Technology 106, 98-107
Demonstration of synaptic and resistive switching characteristics in W/TiO2/HfO2/TaN memristor crossbar array for bioinspired neuromorphic computing
M Ismail, U Chand, C Mahata, J Nebhen, S Kim
Journal of Materials Science & Technology 96, 94-102
Controlled multilevel switching and artificial synapse characteristics in transparent HfAlO-alloy based memristor with embedded TaN nanoparticles
C Mahata, H Algadi, M Ismail, D Kwon, S Kim
Journal of Materials Science & Technology
Scaling effect on silicon nitride memristor with highly doped Si substrate
S Kim, S Jung, MH Kim, YC Chen, YF Chang, KC Ryoo, S Cho, JH Lee, ...
Small 14 (19), 1704062
