Journal

Selected Articles

2026

Hierarchical Multi‐Mode Computing in Interlayer‐Coupled 3D RRAM Crossbar Arrays

S Park, J Choi, G Nam, J Yu, D Ryu, JK Lee, S Kim, S Kim

Advanced Science, e76674

Hydrogen-Stabilized Self-Rectifying Memristor Arrays for Reliable Multilevel Synapses in Transformer-Based Keyword Spotting

S Lee, S Ju, WJ Lee, M Kang, S Kim, Y Kim

Advanced Science, e76640

Tri-Layer Laminated HZO/HfO2/HZO Ferroelectric Diode for Linear Weight Updates in Hardware-Aware Reservoir Computing

J Park, Y Lee, S Kim, K Min, J Park, JK Lee, HS Kim, D Jariwala, S Kim

Advanced Functional Materials, e76577

Triple-Mode Ferroelectric Thin-Film Transistor for Hybrid Electrical-Optical Reservoir Computing

H Lee, S Lee, TH Kim, Y Jeong, G An, M Ko, J Yu, HS Kim, Y Chai, S Kim

Advanced Science, e75471

Neuromorphic sensing and computing in a versatile thermally grown Fe–W–O–S nanocomposite memristor

M Ismail, J Park, M Rasheed, C Mahata, HS Kim, HS Kim, J Moon, S Kim

Materials Science and Engineering: R: Reports 169, 101206

Iodide-Coated CsPbBr3 Perovskite Nanowires for Resistive-Switching Memory in Neuromorphic Systems and Edge Computing

J Uhm, Y Byun, S Park, S Kim, MJ Choi

Nano Letters

Nanolaminate Ferroelectric Transistor Enabling Wide‐Reservoir In Sensor Neuromorphic Vision

G An, S Lee, H Lee, G Kim, TH Kim, HS Kim, Y Chai, S Kim

Advanced Materials, e22251

Stochastic Yet Precise: Memristor Crossbar Arrays Enabling Robust In‐Memory Computing, Hardware Security, and Generative Adversarial Network

H Na, JS Kim, G Kim, J Choi, KR Park, S Kim

Advanced Functional Materials, e23780

Photonic Encoding‐Driven Neuromorphic and Cryptographic System Based on Oxide Semiconductor Device

H Park, H Jang, S Park, H Na, S Kim

Advanced Functional Materials, e20150

Universal Neuromorphic Element: NbOx Memristor with Co‐Existing Volatile, Non‐Volatile, and Threshold Switching

U Byun, H Na, S Kim

Advanced Functional Materials, e19431

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

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

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

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

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

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

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

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

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

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