13. 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*

Nat. Commun. 15, 3971 (2024) [PDF preprint]

12. 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 Converg. 11, 14 (2024) [PDF preprint]

11. Electronic structure of above-room-temperature van der Waals ferromagnetic Fe3GaTe2

Ji-Eun Lee, Shaohua Yan, Sehoon Oh, Jinwoong Hwang, Jonathan D. Denlinger, Choongyu Hwang, Hechang Lei,* Sung-Kwan Mo*, Se Young Park*, and Hyejin Ryu*

Nano Lett. 23, 11526 (2023) [PDF preprint]

10. 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*, and Sung-Kwan Mo*

Nano Converg. 10, 32 (2023) [PDF preprint]

9. 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]

8.  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]

7. High-quality SnSe2 single crystal: Electronic and thermoelectric properties

Anh-Tuan Pham, Hoa T. Vu, Cheng Chang, Ly T. Trinh, Ji-Eun Lee, Hyejin Ryu, Choongyu Hwang, Sung-Kwan Mo, Jungdae Kim, Li-dong Zhao, Anh-Tuan Duong, and Sunglae Cho*

ACS Appl. Energy Mater. (ASAP) [PDF preprint]

6. 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]

5. 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]

4. 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]

3.  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]

2. 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]

1.  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]

1. Best oral presentation award (우수 구두발표상),  A plausible method of preparing the ideal p-n junction interface of a thermoelectric material by surface doping [H5.07], 2020 KPS Spring Meeting (Virtual conference), South Korea, Jul. 15. 2020

2. Best poster award (으뜸 포스터상), ARPES study on the electron band structure of metal-intercalated SnSe, The 54th Winter Annual Conference of the Korean Vacuum Society, Pyeongchang, South Korea, Feb. 8. 2018