Conference Proceedings

2025

1. 1. Dayeon Yu, Hwiho Hwang, and Hyungjin Kim, "Reliability improvement of physical unclonable functions with string current variation of 3D NAND flash array," in Proc. International SoC Design Conference (ISOCC), Busan, Korea, Oct. 2025.

   2. Sangwook Youn, Jinwoo Park, and Hyungjin Kim, "Threshold learning algorithm for robust ternary neural network in memristor crossbar," in Proc. International Technical Conference on Circuits/Systems, Computers, and Communications (ITC-CSCC), Seoul, Korea, Jul. 2025.

   3. Jinwoo Park, Sangwook Youn, and Hyungjin Kim, "True random number generator based on memristor noise entropy with bias-tolerant circuit" in Proc. International Technical Conference on Circuits/Systems, Computers, and Communications (ITC-CSCC),  Seoul, Korea, Jul. 2025.

   4. Dayeon Yu and Hyungjin Kim, "Variation-tolerant true random number generator based on random telegraph noise in memristor," in Proc. IEIE Summer Conference (대한전자공학회 하계학술대회), Jeju, Korea, Jun. 2025.

   5. Hwiho Hwang and Hyungjin Kim, "Capacitance-based ternary content addressable memory using memcapacitor array," in Proc. IEIE Summer Conference (대한전자공학회 하계학술대회), Jeju, Korea, Jun. 2025.

   6. (invited) Hyungjin Kim, "Ising solver using weight profile of memristor crossbar array for combinatorial optimization," in Proc. IEIE Summer Conference (대한전자공학회 하계학술대회), Jeju, Korea, Jun. 2025.

   7. Dayeon Yu and Hyungjin Kim, "True random number generator using random telegraph noise signal of memristor with tolerance," in Proc. Korean Conference on Semiconductors (한국반도체학술대회), Jeongseon, Korea, Feb. 2025.

   8. Sangwook Youn, Jinwoo Park, and Hyungjin Kim, "Experimental implementation of programmable threshold logic in a memristor crossbar array" in Proc. Korean Conference on Semiconductors (한국반도체학술대회), Jeongseon, Korea, Feb. 2025.

   9. Jinwoo Park, Sangwook Youn, and Hyungjin Kim, "Demonstration of convolution kernel operation using memristor crossbar array with quantized weights and binary activation," in Proc. Korean Conference on Semiconductors (한국반도체학술대회), Jeongseon, Korea, Feb. 2025.

   10. Hwiho Hwang, Sangwook Youn, and Hyungjin Kim, "True random number generator using memcapacitor based on flash cell," in Proc. Korean Conference on Semiconductors (한국반도체학술대회), Jeongseon, Korea, Feb. 2025.

   11. (invited) Hyungjin Kim, "In-memory computing technology with emerging memory device and array structure," in Proc. Nano Convergence Conference, Daejeon, Korea, Jan. 2025.

2024

1. 12. Kyuree Kim, Sangwook Youn, Jinwoo Park, and Hyungjin Kim*, "Ising solver using weight profile of memristor crossbar array for combinatorial optimization," in Proc. IEEE International Electron Devices Meeting (IEDM), San Francisco, CA, USA, pp. 22.2.1-4, Dec. 2024, doi: 10.1109/IEDM50854.2024.10873396.

   13. Junsu Yu, Hwiho Hwang, Hyungjin Kim* and Woo Young Choi*, "Vertically stackable memcapacitor crossbar array based on NAND flash array structure," in Proc. IEEE International Electron Devices Meeting (IEDM), San Francisco, CA, USA, pp. 5.5.1-4, Dec. 2024, doi: 10.1109/IEDM50854.2024.10873480.

   14. Kyunghae Kim, Sangwook Youn, and Hyungjin Kim, "Realizing kernel map in memristor crossbar with flexibility," in Proc. IEIE Fall Conference (대한전자공학회 추계학술대회), Jeongseon, Korea, Nov. 2024.

   15. (invited) Hyungjin Kim, "In-memory computing applications with memristor crossbar array," in Proc. Memrisys, Seoul, Korea, Nov. 2024.

   16. (invited) Hyungjin Kim, "Emerging memory devices and computing applications with array structure," in Proc. Korean Ceramic Society Fall Meeting (한국세라믹학회 추계학술대회), Seoul, Korea, Oct. 2024.

   17. Jinwoo Park, Sangwook Youn, and Hyungjin Kim, "Quantized convolutional neural network with memristor crossbar array-based kernal and activation operations," in Proc. International Conference on Solid State Devices and Materials (SSDM), Hyogo, Japan, p. B-5-05, Sept. 2024.

   18. Sangwook Youn, Jinwoo Park, and Hyungjin Kim, "Expeirmental implementation of 4-bit carry lookahead adder in memristor crossbar array using threshold logic," in Proc. International Conference on Solid State Devices and Materials (SSDM), Hyogo, Japan, p. PS-02-28, Sept. 2024.

   19. Hwiho Hwang, Min Suk Song, Suhyeon Ahn, Dayeon Yu, and Hyungjin Kim, "True random number generator using random telegraph noise of memristor," in Proc. Korean Conference on Semiconductors (한국반도체학술대회), Gyeongju, Korea, Jan. 2024.

   20. Min Suk Song, Suhyeon Ahn, Hwiho Hwang, and Hyungjin Kim, "Physical unclonable function with memcapacitor crossbar rarray using NAND flash structure," in Proc. Korean Conference on Semiconductors (한국반도체학술대회), Gyeongju, Korea, Jan. 2024.

   21. Sangwook Youn, Jinwoo Park, Kyuree Kim, Jungjin Lee, and Hyungjin Kim, "Effect of program error in memristor-based ternary content addressable memory," in Proc. Korean Conference on Semiconductors (한국반도체학술대회), Gyeongju, Korea, Jan. 2024.

2023

1. 22. Min Suk Song, Suhyeon Ahn, Hwiho Hwang, and Hyungjin Kim*, "Memcapacitor crossbar array with charge trapping layer for physical unclonable function in NAND flash architecture," in Proc. IEEE International Electron Devices Meeting (IEDM), San Francisco, CA, USA, pp. 12.2.1-4, Dec. 2023, doi: 10.1109/IEDM45741.2023.10413842.

   23. Min Suk Song, Suhyeon Ahn, Hwiho Hwang, and Hyungjin Kim, "True random number generator using random telegraph noise characteristics of memristor," in Proc. ISE Summer Conference (반도체공학회 하계학술대회), Gyeongju, Korea, Jul. 2023.

   24. Sangwook Youn, Jinwoo Park, Kyuree Kim, Jungjin Lee, and Hyungjin Kim, "Effect of program error in memristor-based ternary content addressable memory (TCAM)," in Proc. ISE Summer Conference (반도체공학회 하계학술대회), Gyeongju, Korea, Jul. 2023.

   25. Jinwoo Park, Sangwook Youn, Kyuree Kim, Jungjin Lee, and Hyungjin Kim, "Analysis of perofrmance impact by intrinsic variation of memristor with multilevel conductance in neuromorphic system," in Proc. Nano Korea Symposium, Goyang, Korea, Jul. 2023.

   26. (invited) Hyungjin Kim, "In-memory computing technologies using memory device and array architecture," in Proc. International Technical Conference on Circuits/Systems, Computers, and Communications (ITC-CSCC), Jeju, Korea, Jun. 2023.

   27. Jinwoo Park, Sangwook Youn, Kyu Ree Kim, Jungjin Lee, and Hyungjin Kim, "Optimization of strong physical unclonable function based on passive memristive crossbar array for highly reliable operation," in Proc. Korean Conference on Semiconductors (한국반도체학술대회), Jeongseon, Korea, Feb. 2023.

   28. Min Suk Song, Geun Ho Lee, Hwiho Hwang, Suhyeon Ahn, and Hyungjin Kim, "Effect of on/off ratio of ferroelectric FET in binary neural network with 3-D NAND architecture," in Proc. Korean Conference on Semiconductors (한국반도체학술대회), Jeongseon, Korea, Feb. 2023.

   29. Jinwoo Park, Min Suk Song, Sangwook Youn, and Hyungjin Kim, "Effect of inherent variations depending on quantized weight in memristive neural network," in Proc. International Conference on Electronics, Information and Communication (ICEIC), Singapore, Feb. 2023.

2022

1. 30. Min Suk Song, Geun Ho Lee, Jinwoo Park, and Hyungjin Kim, "On/off ratio effect of FeFET with binary weight for neuromorphic system in 3-D NAND structure," in Proc. ISE Conference (반도체공학회 종합학술대회), Seoul, Korea, Dec. 2022.

   31. Jinwoo Park, Tae-Hyeon Kim, Sungjoon Kim, Min Suk Song, Sangwook Youn, Kyungho Hong, Byung-Gook Park, Hyungjin Kim, "Highly reliable physical unclonable functions using memristor crossbar with tunneling conduction," in Proc. IEEE International Electron Devices Meeting (IEDM), San Francisco, CA, USA, pp. 18.3.1-4, Dec. 2022, doi: 10.1109/IEDM45625.2022.10019539.

   32. Kyungho Hong, Sungjoon Kim, Tae-Hyeon Kim, Hyungjin Kim,  and Woo Young Choi,  "Extremely-Low-Power RRAM Array with Triple Tunneling Layers," in Proc. International Microprocesses and Nanotechnology Conference (MNC), Tokushima, Japan, Nov. 2022.

   33. (invited) Hyungjin Kim, "Emerging memory devices and architecture sfor in-memory computing," in Proc. International Conference on Electronic Materials and Nanotechnology for Green Environment (ENGE), Jeju, Korea, Nov. 2022.

   34. Geun Ho Lee, Min Suk Song, and Hyungjin Kim, "Weight overlap effect for on-chip learning with memristor devices," in Proc. International Conference on Next Generation Computing (ICNGC), Jeju, Korea, Oct. 2022.

   35. (invited) Jinwoo Park, Yeongjin Hwang, Sangwook Youn, Geun Ho Lee, Min Suk Song, and Hyungjin Kim, "Hardwareimplementation of artificial neural network with electronci devices," in Proc. International Symposium on the Physics of Semiconductors and Applications (ISPSA), Jeju, Korea, Jul. 2022.

   36. Sungjoon Kim, Tae-Hyeon Kim, Kyungho Hong, Hyungjin Kim*, and Byung-Gook Park, “Forming, compliance free operation in Al2O3/TiOx based RRAM array using naturally generated AlOx interlayer,” in Proc. IEEE Silicon Nanoelectronics Workshop (SNW), Honolulu, Hawaii, USA, Jun. 2022, doi: 10.1109/SNW56633.2022.9889049.

   37. Junsu Yu, Sungmin Hwang, Hyungjin Kim*, and Byung-Gook Park, “Investigation of coupling effect on capacitor-based neural network,” in Proc. IEEE Silicon Nanoelectronics Workshop (SNW), Honolulu, Hawaii, USA, Jun. 2022, doi: 10.1109/SNW56633.2022.9889047.

   38. (invited) Hyungjin Kim, "Processing-in-memory technologies with memory devices," in Proc. KSDT Spring Conference (한국반도체디스플레이기술학회 춘계학술대회), Incheon, Korea, May 2022.

   39. Jinwoo Park, Min Suk Song, Geun Ho Lee, and Hyungjin Kim, "Hardware security primitive: Memristor-based physical unclonable function depending on device switching conduction mechanism," in Proc. Nano Convergence Conference (NCC), Gwangju, Gyeonggi, Korea, Jan. 2022.

   40. Kang-Hwan Bae, Seung-Hyun Lim, Chaeseon Jeong, Geun Ho Lee, Sangwook Youn, Felix Sunjoo Kim, Hyungjin Kim, and Hyuck-In Kwon, "Lithium ion based IGZO synaptictransistor for highly linear weight update," in Proc. Korean Conference on Semiconductors (한국반도체학술대회), Jeongseon, Korea, Jan. 2022. 

   41. Yeongjin Hwang, Sangwook Youn, and Hyungjin Kim, "Memristor-based binary neural network with boundary condition," in Proc. Korean Conference on Semiconductors (한국반도체학술대회), Jeongseon, Korea, Jan. 2022. 

   42. Jinwoo Park, Min Suk Song, Geun Ho Lee, and Hyungjin Kim, "Evaluation of physical unclonable function performance depending on memristor conduction mechanism," in Proc. Korean Conference on Semiconductors (한국반도체학술대회), Jeongseon, Korea, Jan. 2022. 

2021

1. 43. (invited) Hyungjin Kim, "Memristor crossbar array and computing applications," in Proc. KSDT Fall Conference (한국반도체디스플레이기술학회 춘계학술대회), Yongin, Korea, Nov. 2021.

   44. Yeongjin Hwang, Sangwook Youn, and Hyungjin Kim, "Boundary binary neural network for advanced on-chip learning in neuromorphic system," in Proc. International Conference on Next Generation Computing (ICNGC), Jeju, Korea, Nov. 2021.

   45. (invited) Hyungjin Kim, "On- and off-chip learnings in memristor crossbar array," IEEE TENSYMP, Jeju, Korea, Aug. 2021.

   46. (invited) Hyungjin Kim, "Memristor crossbar array with etching-down fabrication method," in Proc. International Conference on Electronics, Information and Communication (ICEIC), Jeju, Korea, Feb. 2021.

   47. Geun Ho Lee, Tae-Hyeon Kim, Yeongjin Hwang, Sungjoon Kim, Jinwoo Park, Byung-Gook Park, and Hyungjin Kim, "Recognition accuracy depending on weight-update overlap region of synaptic devices," in Proc. Korean Conference on Semiconductors (한국반도체학술대회), virtual, Korea, Jan. 2021. 

   48. (invited) Hyungjin Kim, "Passively integrated memristive crossbar circuits and applications," in Proc. Nano Convergence Conference (NCC), Gwangju, Gyeonggi, Korea, Jan. 2021.

2020

1. 49. Daehwan Kim, Junhyeok Choi, Sungjun Kim, Hyungjin Kim, and Seongjae Cho, "Characterization of TiOx ReRAM and development of its DC compact model," in Proc. IEIE Summer Conference (대한전자공학회 하계학술대회), Jeju, Korea, Jun. 2020.

   50. Jeong Hoon Jeon, Juhyun Lee, Jonghyuk Yoon, Yeongjin Hwang, Felix Sunjoo Kim, and Hyungjin Kim, “Effect of VT window and variation of organic synaptic transistor," in Proc. Korean Conference on Semiconductors (한국반도체학술대회), Jeongseon, Korea, p. 487, Feb. 2020. 

2019

1. 51. Mahmood Mahmoodi, Hussein Nili, Zahra Fahimi, Shabnam Larimian, Hyungjin Kim, and Dmitri Strukov, "Ultra-low power physical unclonable function with nonlinear fixed-resistance crossbar circuits ," in Proc. IEEE International Electron Devices Meeting (IEDM), San Francisco, CA, USA, p.p 30.1.1-4, Dec. 2019, doi: 10.1109/IEDM19573.2019.8993618.

   52. Mahmood Mahmoodi*, Hyungjin Kim*, Zahra Fahimi, Hussein Nili, Leonid Sedov, Valentin Polishchuk, and Dmitri Strukov*, "An analog neuro-optimizer with adaptable annealing based on 64×64 0T1R crossbar circuit," in Proc. IEEE International Electron Devices Meeting (IEDM), San Francisco, CA, USA, pp. 14.7.1-4, Dec. 2019, doi: 10.1109/IEDM19573.2019.8993442.

   53. (invited) Hyungjin Kim, "Synaptic devices and neuron circuit for hardware-based neural network," in Proc. IEIE Summer Conference (대한전자공학회 하계학술대회), Jeju, Korea, Jun. 2019.

   54. Irina Kataeva, Shigeki Ohtsuka, Hussein Nili, Hyungjin Kim, Yoshihiko Osobe, Koichi Yako, and Dmitri Strukov, "Towards the development of analog neuromorphic chip prototype with 2.4 M integrated memristors," in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), Sapporo, Japan, May 2019, doi: 10.1109/ISCAS.2019.8702125.