Hwang Research Group

Selected publications

Quantum Spin Hall State in Monolayer 1T'-WTe2

Shujie Tang, Chaofan Zhang, Dillon Wong, Zahra Pedramrazi, Hsin-Zon Tsai, Chunjin Jia, Hyejin Ryu, Salman Kahn, Juan Jiang, Hao Yan, Makoto Hashimoto, Donghui Lu, Robert G. Moore, Chancuk Hwang, Choongyu Hwang, Yulin Chen, Zhi Liu, Xiaoming Xie, Thomas P. Devereaux, Michael F. Crommie, Sung-Kwan Mo*, and Zhi-Xun Shen*

Nature Physics 13, 683 (2017) IF: 18.4, Top 4.39% (Physics, Multidisciplinary)

Citations: 973

Fermi Velocity Engineering in Graphene by Substrate Modification

Choongyu Hwang, David A Siegel, Sung-Kwan Mo, William Regan, Ariel Ismach, Yuegang Zhang, Alex Zettl, and Alessandra Lanzara*

Scientific Reports 2, 590 (2012) IF: 3.9, Top 18.52% (Multidisciplinary Sciences)

Citations: 537

Photoelecton Spin-Flipping and Texture Manipulation in a Topological Insulator

Chris Jozwiak, Cheol-Hwan Park, Kenneth Gotlieb, Choongyu Hwang, Dung-Hai Lee, Steven G Louie, Jonathan D Denlinger, Costel R Rotundu, Robert J Birgeneau, Zahid Hussain, and Alessandra Lanzara*

Nature Physics 9, 293-298 (2013) IF: 18.4, Top 4.39% (Physics, Multidisciplinary)

Citations: 244

Evidence for quantum spin liquid behaviour in single-layer 1T-TaSe2 from scanning tunneling microscopy

Wei Ruan, Yi Chen, Shujie Tang, Jinwoong Hwang, Hsin-Zon Tsai, Ryan L. Lee, Meng Wu, Hyejin Ryu, Salman Kahn, Franklin Liou, Caihong Jia, Andrew Aikawa, Choongyu Hwang, Feng Wang, Yongseong Choi, Steven G. Louie, Patrick A. Lee, Zhi-Xun Shen, Sung-Kwan Mo, and Michael F. Crommie*

Nature Physics 17, 1154 (2021) IF: 18.4, Top 4.39% (Physics, Multidisciplinary)

Citations: 160

Direct Measurement of Quantum Phases in Graphene via Photoemission Spectroscopy

Choongyu Hwang, Cheol-Hwan Park, David A. Siegel, Alexei V. Fedorov, Steven G. Louie*, and Alessandra Lanzara*

Physical Review B 84, 125422 (2011) IF: 3.7, Top 35.29% (Physics, Applied)

Citations: 124

Temperaturee-Dependent Electron-Electon Interaction in Graphene on SrTiO3

Hyejin Ryu, Jinwoong Hwang, Debin Wang, Ankit S. Disa, Jonathan Denlinger, Yuegang Zhang, Sung-Kwan Mo*, Choongyu Hwang*, and Alessandra Lanzara

Nano Letters 17, 5914 (2017) IF: 9.1, Top 12.3% (Physics, Applied)

Citations: 25

Spin-orbit-splitting-driven nonlinear Hall effect in NbIrTe4

Ji-Eun Lee, Aifeng Wang, Shuzhang Chen, Minseong Kwon, Jinwoong Hwang, Minhyun Cho, Ki-Hoon Son, Dong-Soo Han, Jun Woo Choi, Young Duck Kim, Sung-Kwan Mo, Cedomir Petrovic, Choongyu Hwang*, Se Young Park*, Chaun Jang*, and Hyejin Ryu*

Nature Communications 15, 3971 (2024) IF: 15.7, Top 7.41% (Multidisciplinary sciences)

Citations: 21

Emergence of Kondo Resonance in Graphene Intercalated with Cerium

Jinwoong Hwang, Kyoo Kim, Hyejin Ryu, Jingul Kim, Ji-Eun Lee, Sooran Kim, Minhee Kang, Byeong-Gyu Park, Alessandra Lanzara, Jinwook Chung, Sung-Kwan Mo, Jonathan Denlinger, Byung Il Min, and Choongyu Hwang*

Nano Letters 18, 3661 (2018) IF: 9.1, Top 12.3% (Physics, Applied)

Citations: 21

Enhanced thermoelectric performance of SnSe by controlled vacancy population

Ji-Eun Lee, Kyoo Kim, Van Quang Nguyen, Jinwoong Hwang, Jonathan D. Denlinger, Byung Il Min, Sunglae Cho, Hyejin Ryu*, Choongyu Hwang*, Sung-Kwan Mo*

Nano Convergence 10, 32 (2023) IF: 11, Top 9.09% (Physics, Applied)

Citations: 9

Controlling structure and interfacial interaction of monolayer TaSe2 on bilayer graphene

Hyobeom Lee†, Hayoon Im†, Byoung Ki Choi, Kyoungree Park, Yi Chen, Wei Ruan, Yong Zhong, Ji-Eun Lee, Hyejin Ryu, Michael F Crommie, Zhi-Xun Shen, Choongyu Hwang*, Sung-Kwan Mo*, and Jinwoong Hwang*

Nano Convergence 11, 14 (2024) IF: 11, Top 9.09% (Physics, Applied)

Citations: 7

Tuable Kondo Resonance at a Pristine Two-Dimensional Dirac Semimetal on a Kondo Insulator

Jinwoong Hwang, Seungseok Lee, Ji-Eun Lee, Minhee Kang, Hyejin Ryu, Hyunjeong Joo, Jonathan Denlinger, Jae-Hoon Park*, and Choongyu Hwang*

Nano Letters 20, 7973 (2020) IF: 9.1, Top 12.3% (Physics, Applied)

Citations: 4

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