Semiconductor Integrated Device & Process Lab.


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Controlled Ionic Tunneling in Lithium Nanoionic Synaptic Transistor through Atomically Thin Graphene Layer for Neuromorphic Computing / Nikam, R. D., Kwak, M., Lee, J., Rajput, K. G., Hwang, H., ​/ Adv. Electron. Mater. 1901100.(202006)


Excellent synaptic behavior of lithium-based nano-ionic transistor based on optimal WO2.7 stoichiometry with high ion diffusivity / Jongwon Lee, Revannath Dnyandeo Nikam, Seokjae Lim, Myonghoon Kwak and Hyunsang Hwang ​/ Nanotechnology 31 235203 (6pp) (202003)


Experimental Determination of the Tunable Threshold Voltage Characteristics in a AgxTe1-x/Al2O3/TiO2-based Hybrid Memory Device ​/ Changhyuck Sung, Seokjae Lim, Hyunsang Hwang / IEEE Electron Device Letters



Near ideal synaptic functionalities in Li ion synaptic transistor using Li3POxSex electrolyte with high ionic conductivity /Revannath Dnyandeo Nikam, Myonghoon Kwak, Jongwon Lee, KrishnGopal Rajput, Writam Banerjee, Hyunsang Hwang​/​ Sci Rep 9, 18883 (201912).


Field-induced nucleation switching in binary ovonic threshold switches / Sangmin Lee,  Jongmyung Yoo, Jaehyuk Park, and  Hyunsang Hwang / Applied Physics Letters 115(23), 233503 (201912)


Structural engineering of Li based electronic synapse for high reliability / Yunseok Choi, Chuljun Lee, Myungjun Kim, Yubin Song, Hyunsang Hwang, Daeseok Lee / IEEE Electron Device Letters 40(12), pp. 1992 - 1995 (201912)


Ferroelectric materials for neuromorphic computing / S. Oh, H. Hwang, and I. K. Yoo / APL Materials 7(9),091109 (201909) 


Quantized Conduction Device with 6‐Bit Storage Based on Electrically Controllable Break Junctions / Writam Banerjee, Hyunsang Hwang / Advanced Electronic Materials 1900744 (201909) 


One transistor-two resistive RAM device for realizing bidirectional and analog neuromorphic synapse devices / Seokjae Lim, Myounghoon Kwak, and Hyunsang Hwang / Nanotechnology 30 (2019) 455201 (201908) 


Microstructural engineering in interface-type synapse device for enhancing linear and symmetric conductance changes / Jaesung Park, Chuljun Lee, Myonghoon Kwak, Solomon Amsalu Chekol, Seokjae Lim, Myungjun Kim, Jiyong Woo, Hyunsang Hwang, Daeseok Lee / Nanotechnology  30(30),305202 (6pp) (201907) 


Improved Endurance of HfO2-based Metal-Ferroelectric-Insulator-Silicon structure by High-Pressure Hydrogen Annealing / Seungyeol Oh, Jeonghwan Song, In Kyeong Yoo, Hyunsang Hwang / IEEE Electron Device Letters 40(7),8706981, pp. 1092-1095 (201907) 


Stuck-at-Fault Tolerant Schemes for Memristor Crossbar Array-Based Neural Networks / Injune Yeo , Myonglae Chu , Sang-Gyun Gi , Hyunsang Hwang , and Byung-Geun Lee / IEEE Transactions on Electron Devices 66(7),8715385, pp. 2937-2945 (201907) 


3D Stackable and Scalable Binary Ovonic Threshold Switch Devices with Excellent Thermal Stability and Low Leakage Current for High‐Density Cross‐Point Memory Applications / Jongmyung Yoo, Seong Hun Kim, Solomon Amsalu Chekol, Jaehyuk Park, Changhyuck Sung, Jeonghwan Song, Donghwa Lee, Hyunsang Hwang / Advanced Electronic Materials 1900196 (201905)


Understanding of Proton Induced Synaptic Behaviors in Three–terminal Synapse Device for Neuromorphic Systems / Jongwon Lee, Seokjae Lim, Myonghoon Kwak, Jeonghwan Song and Hyunsang Hwang / Nanotechnology 30 (25) 255202 (6pp) (201904) 


Investigation of I−V Linearity in TaOx-Based RRAM Devices for Neuromorphic Applications / Changhyuck Sung, Andrea Padovani, Bastien Beltrando, Donguk Lee, Myunghoon Kwak, Seokjae Lim, Luca Larcher, Vincenzo Della Marca, Hyunsang Hwang / IEEE Journal of the Electron Devices Society  7, 8658233, pp. 404-408 (2019) 


An excellent performance of a C-Te OTS device with amorphous Ge interfacial layer for selector application / Solomon Amsalu Chekol, Jeonghwan Song, Jongmyung Yoo, Seokjae Lim, and Hyunsang Hwang / Applied Physics Letters 114(10),102106 (201903) 


Excellent data retention characteristic of Te-based conductive-bridge RAM using semiconducting Te filament for storage class memory / Sangmin Lee, Jeonghwan Song, Seokjae Lim, Solomon Amsalu Chekol, Hyunsang Hwang / Solid-State Electronics  153, pp. 8-11 (201903)


Hardware implementation of neural network using pre-programmed resistive device for pattern recognition / Wooseok Choi, Kibong Moon, Myonghoon Kwak, Changhyuck Sung, Jongwon Lee,Jeonghwan Song, Jaesung Park, Solomon Amsalu Chekol, Hyunsang Hwang / Solid-State Electronics  153, pp. 79-83 (201903) 


Various Threshold Switching device for Integrate and Fire Neuron Applications / Donguk Lee, Myonghoon Kwak, Kibong Moon, Wooseok Choi, Jaehyuk Park, Jongmyung Yoo, Jeonghwan Song, Seokjae Lim, Changhyuck Sung,  Writam Banerjee, Hyunsang Hwang / Advanced Electronic Materials 1800866, pp.1-7 (201902) 


Synaptic and neuromorphic functions: general discussion / Alexandra I. Berg, Stefano Brivio, Simon Brown, Geoffrey Burr, Sweety Deswal, Jonas Deuermeier, Ella Gale, Hyunsang Hwang, Daniele Ielmini, Giacomo Indiveri, Anthony J. Kenyon, Asal Kiazadeh, Itir Koymen, Michael Kozicki, Yang Li,Daniel Mannion, Themis Prodromakis, Carlo Ricciardi, Sebastian Siegel, Maximilian Speckbacher, Ilia Valov, Wei Wang, R. Stanley Williams, Dirk Wouters and Yuchao Yang / Faraday discussions  213, 553-578 (201902)