* correspondence, † equal contribution
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Science, Vol. 386, 1238 (2024)
Addressing interconnect challenges for enhanced computing performance
Joon-Seok Kim, Joonyun Kim, Dae-Jin Yang, Jaewoo Shim, Luhing Hu, Chang‐Seok Lee, Jeehwan Kim*, Sang Won Kim*
Advanced Functional Materials, 2403562 (2024)
Bioelectronic Implantable Devices for Physiological Signal Recording and Closed-Loop Neuromodulation
Saehyuck Oh, Janghwan Jekal, Jia Liu, Jeehwan Kim, Jang-Ung Park, Taeyoon Lee, Kyung-In Jang
Advanced Materials, Vol. 36(24), 2310015 (2024)
Junctionless Negative-Differential-Resistance Device Using 2D Van-Der-Waals Layered Materials for Ternary Parallel Computing
Taeran Lee, Kil-Su Jung, Seunghwan Seo, Junseo Lee, Jihye Park, Sumin Kang, Jeongwon Park, Juncheol Kang, Hogeun Ahn, Suhyun Kim, Hae Won Lee, Doyoon Lee, Ki Seok Kim, Hyunseok Kim, Keun Heo, Sunmean Kim, Sang-Hoon Bae, Seokhyeong Kang, Kibum Kang, Jeehwan Kim, Jin-Hong Park
Nature Electronics, Vol. 7, 356-364 (2024)
200-mm-wafer-scale integration of polycrystalline molybdenum disulfide transistors
Junyoung Kwon, Minsu Seol, Joungeun Yoo, Huije Ryu, Dong-Su Ko, Min-Hyun Lee, Eun Kyu Lee, Min Seok Yoo, Gwan-Hyoung Lee, Hyeon-Jin Shin, Jeehwan Kim*, and Kyung-Eun Byun*
Science, Vol. 384, 312-317 (2024)
High energy density in artificial heterostructures through relaxation time modulation
Sangmoon Han, Justin S Kim, Eugene Park, Yuan Meng, Zhihao Xu, Alexandre C Foucher, Gwan Yeong Jung, Ilpyo Roh, Sangho Lee, Sun Ok Kim, Ji-Yun Moon, Seung-Il Kim, Sanggeun Bae, Xinyuan Zhang, Bo-In Park, Seunghwan Seo, Yimeng Li, Heechang Shin, Kate Reidy, Anh Tuan Hoang, Suresh Sundaram, Phuong Vuong, Chansoo Kim, Junyi Zhao, Jinyeon Hwang, Chuan Wang, Hyungil Choi, Dong-Hwan Kim, Jimin Kwon, Jin-Hong Park, Abdallah Ougazzaden, Jae-Hyun Lee, Jong-Hyun Ahn, Jeehwan Kim, Rohan Mishra, Hyung-Seok Kim, Frances M Ross, and Sang-Hoon Bae
Nature, Vol. 628, 293-298 (2024)
Phase-change memory via a phase-changeable self-confined nano-filament
See-On Park, Seokman Hong, Su-Jin Sung, Dawon Kim, Seokho Seo, Hakcheon Jeong, Taehoon Park, Won Joon Cho, Jeehwan Kim, and Shinhyun Choi
ACS Nano, Vol. 18(8), 6558-6569 (2024)
Ultrahigh Photoresponsivity of W/Graphene/β-Ga2O3 Schottky Barrier Deep Ultraviolet Photodiodes
Madani Labed, Bo-In Park, Jekyung Kim, Jang Hyeok Park, Ji Young Min, Hee Jae Hwang, Jeehwan Kim*, and You Seung Rim*
Advanced Functional Materials, Vol. 34(3), 2306909 (2024)
Sputter-Deposited α-MoO3 Interlayers for van der Waals Epitaxy and Film Transfer
Sangho Han, Sangho Lee, Dohyun Ko, Xinyuan Zhang, Jeehwan Kim, Caroline A. Ross, Dong Hun Kim
ACS Nano, Vol. 8(47), 45088-45095 (2023)
Nucleation and Growth of GaAs on a Carbon Release Layer by Halide Vapor Phase Epitaxy
Dennice M. Roberts, Hyunseok Kim, Elisabeth L. McClure, Kuangye Lu, John S. Mangum, Anna K. Braun, Aaron J. Ptak, Kevin L. Schulte, Jeehwan Kim, and John Simon
ACS Nano, Vol. 17(21), 21678-21689 (2023)
Exceptional Thermochemical Stability of Graphene on N-Polar GaN for Remote Epitaxy
Joonghoon Choi, Junseok Jeong, Xiangyu Zhu, Junghwan Kim, Bong Kyun Kang, Qingxiao Wang, Bo-In Park, Seokje Lee, Jekyung Kim, Hyunseok Kim, Jinkyoung Yoo, Gyu-Chul Yi, Dong-Seon Lee, Jeehwan Kim, Suklyun Hong, Moon J Kim, and Young Joon Hong
ACS Nano, Vol. 17(12), 11739–11748 (2023)
Stability of Graphene and Influence of AlN Surface Pits on GaN Remote Heteroepitaxy for Exfoliation
Hoe-Min Kwak, Je-Sung Lee, Bo-In Park, Jaeyoung Baik, Jeongwoon Kim, Woo-Lim Jeong, Kyung-Pil Kim, Seung-Hyun Mun, Hyunseok Kim, Jeehwan Kim, and Dong-Seon Lee
Advanced Electronic Materials, Vol. 5(5), 2201309 (2023)
Synthesis and Characteristics of Transferrable Single-Crystalline AlN Nanomembranes
Jiarui Gong, Jie Zhou, Ping Wang, Tae-Hyeon Kim, Kuangye Lu, Seunghwan Min, Ranveer Singh, Moheb Sheikhi, Haris Naeem Abbasi, Daniel Vincent, Ding Wang, Neil Campbell, Timothy Grotjohn, Mark Rzchowski, Jeehwan Kim, Edward T. Yu, Zetian Mi, Zhenqiang Ma
Advanced Electronic Materials, Vol. 8(8), 2200378 (2022)
Vertical Metal-Oxide Electrochemical Memory for High-Density Synaptic Array Based High-Performance Neuromorphic Computing
Hyunjoon Lee, Da Gil Ryu, Giho Lee, Min-Kyu Song, Hyungjin Moon, Jaehyeong Lee, Jongchan Ryu, Ji-Hoon Kang, Junmin Suh, Sangbum Kim, Jongwoo Lim, Dongsuk Jeon, Seyoung Kim*, Jeehwan Kim*, Yun Seog Lee*
Advanced Optical Materials, Vol. 10(18), 2200885 (2022)
Sellotape Exfoliated Layered Quasi‐2D Perovskite Thin Film for Efficient Light‐Emitting Diodes
Yanliang Liu, Fang Chen, Zhengyan Jiang, Yang Li, Xianyong Zhou, Jiawen Wu, Shi Chen, Luozheng Zhang, Yaru Li, Chang Liu, Sang‐Hoon Bae, Bo Ram Lee, Boyuan Huang, Xingzhu Wang, Yun Seog Lee, Jeehwan Kim, Sung Heum Park, Xue‐Feng Yu, and Baomin Xu
npj Computational Materials, Vol. 8, 114 (2022)
Uncovering material deformations via machine learning combined with four-dimensional scanning transmission electron microscopy
Chuqiao Shi, Michael C Cao, Sarah M Rehn, Sang-Hoon Bae, Jeehwan Kim, Matthew R Jones, David A Muller, and Yimo Han
Japanese Journal of Applied Physics, Vol. 61, 011003 (2021)
Influences of ALD Al2O3 on the surface band-bending of c-plane, Ga-face GaN
Jiarui Gong, Kuangye Lu, Jisoo Kim, TienKhee Ng, Donghyeok Kim, Jie Zhou, Dong Liu, Jeehwan Kim, Boon S Ooi, and Zhenqiang Ma
Communications Materials, Vol. 2, 117 (2021)
Observation of a flat band and bandgap in millimeter-scale twisted bilayer graphene
Keiju Sato, Naoki Hayashi, Takahiro Ito, Noriyuki Masago, Makoto Takamura, Mitsuru Morimoto, Takuji Maekawa, Doyoon Lee, Kuan Qiao, Jeehwan Kim, Keisuke Nakagahara, Katsunori Wakabayashi, Hiroki Hibino, and Wataru Norimatsu
Nano Energy, Vol. 90, 106488 (2021)
Stone-Wales defect-rich carbon-supported dual-metal single atom sites for Zn-air batteries
Kishwar Khan, Xingxu Yan, Qiangmin Yu, Sang-Hoon Bae, Jessica Jein White, Junxian Liu, Tangchao Liu, Chengjun Sun, Jeehwan Kim, Hui-Ming Cheng, Yun Wang, Bilu Liu, Khalil Amine, Xiaoqing Pan, and Zhengtang Luo
Applied Physics Letters, Vol. 119, 191102 (2021)
Sub-50 cm/s surface recombination velocity in InGaAsP/InP ridges
Nicolas M Andrade, Sean Hooten, Yunjo Kim, Jeehwan Kim, Eli Yablonovitch, and Ming C Wu
Advanced Energy Materials, 11(40), 2101619 (2021)
Laser‐Irradiated Holey Graphene‐Supported Single‐Atom Catalyst towards Hydrogen Evolution and Oxygen Reduction
Kishwar Khan, Tangchao Liu, Muhammad Arif, Xingxu Yan, Md Delowar Hossain, Faisal Rehman, Sheng Zhou, Jing Yang, Chengjun Sun, Sang‐Hoon Bae, Jeehwan Kim, Khalil Amine, Xiaoqing Pan, and Zhengtang Luo
Chemical Engineering Journal, Vol. 420, 129735 (2021)
Learning from hole-transporting polymers in regular perovskite solar cells to construct efficient conjugated polyelectrolytes for inverted devices
Luozheng Zhang, Xianyong Zhou, Jiaming Xie, Bihua Hu, Peiying Liu, Shi Chen, Sang-Hoon Bae, Jeehwan Kim, Songyuan Dai, and Baomin Xu
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, Vol. 39(4), 040405 (2021)
Van der Waals epitaxy and remote epitaxy of LiNbO3 thin films by pulsed laser deposition
Ru Jia, Hyun S Kum, Xin Sun, Yuwei Guo, Baiwei Wang, Peijiao Fang, Jie Jiang, Daniel Gall, Toh-Ming Lu, Morris Washington, Jeehwan Kim, and Jian Shi
Nature Materials, Vol. 19(12), 1300-1306 (2020)
Ledge-directed epitaxy of continuously self-aligned single-crystalline nanoribbons of transition metal dichalcogenides
Areej Aljarb, Jui-Han Fu, Chih-Chan Hsu, Chih-Piao Chuu, Yi Wan, Mariam Hakami, Dipti R Naphade, Emre Yengel, Chien-Ju Lee, Steven Brems, Tse-An Chen, Ming-Yang Li, Sang-Hoon Bae, Wei-Ting Hsu, Zhen Cao, Rehab Albaridy, Sergei Lopatin, Wen-Hao Chang, Thomas D Anthopoulos, Jeehwan Kim, Lain-Jong Li, and Vincent Tung
Journal of Materials Chemistry A, Vol. 8(17), 8238-2843 (2020)
Conjugated polyelectrolyte with potassium cations enables inverted perovskite solar cells with an efficiency over 20%
Luozheng Zhang, Xianyong Zhou, Jiaming Xie, Shi Chen, Sang-Hoon Bae, Jeehwan Kim, and Baomin Xu
Optics Express, Vol. 26(9), 1147-1160 (2018)
Aluminum nitride integrated photonics platform for the ultraviolet to visible spectrum
Tsung-Ju Lu, Michael Fanto, Hyeongrak Choi, Paul Thomas, Jeffrey Steidle, Sara Mouradian, Wei Kong, Di Zhu, Hyowon Moon, Karl Berggren, Jeehwan Kim, Mohammad Soltani, Stefan Preble, and Dirk Englund
ACS Nano, Vol. 11(6), 6319-6327 (2017)
Light-triggered ternary device and inverter based on heterojunction of van der waals materials
Jaewoo Shim, Seo-Hyeon Jo, Minwoo Kim, Young Jae Song, Jeehwan Kim, and Jin-Hong Park
Advanced Materials, Vol. 29(19), 1605896 (2017)
Selective nanoscale mass transport across atomically thin single crystalline graphene membranes
Piran R Kidambi, Michael SH Boutilier, Luda Wang, Doojoon Jang, Jeehwan Kim, and Rohit Karnik
Advanced Materials, Vol. 28(26), 5293–5299 (2016)
Extremely Large Gate Modulation in Vertical Graphene/WSe2 Heterojunction Barristor Based on a Novel Transport Mechanism
Jaewoo Shim, Hyo Seok Kim, Yoon Su Shim, Dong-Ho Kang, Hyung-Youl Park, Jaehyeong Lee, Jaeho Jeon, Seong Jun Jung, Young Jae Song, Woo-Shik Jung, Jaeho Lee, Seongjun Park, Jeehwan Kim, Sungjoo Lee, Yong-Hoon Kim, and Jin-Hong Park