16. Modified Dirac fermions in the crystalline xenon and graphene Moire heterostructure

Suji Im†, Hayoon Im†, Kyoo Kim†, Ji-Eun Lee, Jinwoong Hwang, Sung-Kwan Mo*, Choongyu Hwang* (†: equal contribution)

Adv. Phys. Res. 2, 2200091 (2023) [PDF preprint]

15. Large Magnetic Gap in a Designer Ferromagnet-Topological Insulattor-Ferromagnet Heterostructure 

Qile Li*, Chi Xuan Trang, Weikang Wu, Jinwoong Hwang, David Cortie, Nikhil Medhekar, Sung‐Kwan Mo, Shengyuan A Yang, Mark T Edmonds*

Adv. Matter. 34, 2107520 (2022)

14. Large-gap insulating dimer ground state in monolayer IrTe2

Jinwoong Hwang*, Kyoo Kim, Canxun Zhang, Tiancong Zhu, Charlotte Herbig, Sooran Kim, Bongjae Kim, Yong Zhong, Mohamed Salah, Mohamed M El-Desoky, Choongyu Hwang, Zhi-Xun Shen, Michael F Crommie, Sung-Kwan Mo*

Nat. Commun. 13, 906 (2022)

13. Sign-tunable anomalous Hall effect induced by two-dimensional symmetry-protected nodal structures in ferromagnetic perovskite thin films

Byungmin Sohn, Eunwoo Lee, Se Young Park*, Wonshik Kyung, Jinwoong Hwang, Jonathan D Denlinger, Minsoo Kim, Donghan Kim, Bongju Kim, Hanyoung Ryu, Soonsang Huh, Ji Seop Oh, Jong Keun Jung, Dongjin Oh, Younsik Kim, Moonsup Han, Tae Won Noh, Bohm-Jung Yang*, Changyoung Kim*

Nat. Mater. 20, 1643 (2021)

12.  Evidence for quantum spin liquid behaviour in single-layer 1T-TaSe2 from scanning tunnelling 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, Michael F Crommie*

Nat. Phys. 17, 1154 (2021)

11.  Crossover from 2D Ferromagnetic Insulator to Wide Band Gap Quantum Anomalous Hall Insulator in Ultrathin MnBi2Te4

Chi Xuan Trang, Qile Li, Yuefeng Yin, Jinwoong Hwang, Golrokh Akhgar, Iolanda Di Bernardo, Antonija Grubišić-Čabo, Anton Tadich, Michael S Fuhrer, Sung-Kwan Mo, Nikhil V Medhekar*, Mark T. Edmonds*

ACS Nano 15, 13444 (2021)

10.  Tunable 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 Lett. 20, 7973 (2020) [PDF preprint]

9. A plausible method of preparing the ideal p-n junction interface of a thermoelectric material by surface doping

Ji-Eun Lee, Jinwoong Hwang, Minhee Kang, Hyun-Jeong Joo, Hyejin Ryu, Kyoo Kim, Yongsam Kim, Namdong Kim, Anh Tuan Duong, Sunglae Cho, Sung-Kwan Mo, Choongyu Hwang*, Imjeong Ho-Soon Yang*

Appl. Surf. Sci. 520, 146314 (2020) [PDF reprint]

8. Concomitant enhancement of electron-phonon coupling and electron-electron interaction in graphene decorated with ytterbium

Minhee Kang, Jinwoong Hwang, Ji-Eun Lee, Alexei Fedorov, and Choongyu Hwang*

Appl. Surf. Sci. 467-478, 1 (2019) [PDF reprint]

7. Gapped nearly free-standing graphene on an SiC(0001) substrate induced by manganese atoms

Jinwoong Hwang, Ji-Eun Lee, Minhee Kang, Byeong-Gyu Park, Jonathan Denlinger, Sung-Kwan Mo, and Choongyu Hwang*

Appl. Sci. Converg. Technol. 27, 90 (2018)  [PDF reprint]

6.  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 Lett. 18, 3661 (2018)  [PDF reprint]

5. Temperature-modulated electronic structure of graphene on SiC: possible roles of electron-electron interaction and strain.

Choongyu Hwang*, Jinwoong Hwang, Ji-Eun Lee, Jonathan Denlinger, and Sung-Kwan Mo

Appl. Phys. Lett. 111, 231603 (2017) [PDF reprint]

4.  Temperature-dependent electron-electron 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 Lett. 17, 5914 (2017) [PDF reprint]

3.  Hole doping, hybridization, and electronic correlation in graphene on a platinum substrate. 

Jinwoong Hwang†, Hwihyeon Hwang†, Min-Jeong Kim, Hyejin Ryu, Ji-Eun Lee, Qin Zhou*, Sung-Kwan Mo, Jaekwang Lee, Alessandra Lanzara, and Choongyu Hwang*

Nanoscale 9, 11498 (2017) [PDF reprint]

2. The hybridizations of cobalt 3d bands with the electron band structure of the graphene/cobalt interface on a tungsten substrate. 

Jinwoong Hwang, Nak-Kawn Chung, A. D. N'Diaye, Jonathan Denlinger, A. K. Schmid, and Choongyu Hwang*

J. Kor. Phys. Soc. 69, 573-577 (2016) [PDF reprint]

1. Study on the high spectral intensity at the Dirac energy of single-layer graphene on an SiC substrate. 

Jinwoong Hwang and Choongyu Hwang*

New J. Phys. 18, 043005 (2016) [PDF reprint]