curriculum vitae

(Updated 08/13/2025)

Professional Experience

• Undergraduate Intern, Department of Physics, Pusan National University, Busan, Korea (2022. 6 - 2024. 8)
  Advisors: Prof. Choonkyu Hwang (PNU) & Prof. Jinwoong Hwang (KNU)

Education

• Integrated M.A. with Ph.D. course in Physics: Pusan National University, Busan, Korea (2024.09.~)

• Bachelor of Science in Physics: Pusan National University, Busan, Korea (2020.03.~2024.08.)

Research interests

• Investigation of electronic structures of two-dimensional (2D) materials, using angle-resolved photoemission spectroscopy (ARPES)

Awards and Honors

9. PNU Fellowship, Pusan National University (2025. 6)

8. Outstanding Oral Presentation Award, The Korean Physical Society Spring meeting (2025. 4)

7. Outstanding Poster Presentation Award, 23rd Korea-Taiwan-Japan Symposium on Strongly Correlated Electron systems (2025. 3)

6. Best Research Award, BK21+ program at PNU Physics (2025. 1)

5. Best Paper of ASCT 33(4), Applied Science and Convergence Technology (ASCT) (2024. 7)

4. Outstanding Oral Presentation Award, The 66th Winter Annual Conference of the Korean Vacuum Society (2024. 2)

3. 제14회 물리학과 학술제 우수상, Pusan National University (2023. 11)

2. Outstanding Poster Presentation Award, International Conference on Strongly Correlated Electron Systems (SCES) (2023. 7)

1. Outstanding Poster Presentation Award, The Korean Physical Society Spring meeting (2023. 4)

Publications (*: corresoponding authors, †: equal contribution)

4. Unusual ferromagnetic band evolution and high Curie temperature in monolayer 1T-CrTe2 on bilayer graphene

    Kyoungree Park†, Ji-Eun Lee†, Dongwook Kim, Yong Zhong, Camron Farhang, Hyobeom Lee, Hayoon Im, Woojin Choi, Seha Lee, Seungrok Mun, Kyoo Kim, Jun Woo Choi, Hyejin Ryu, Jing Xia, Heung-Sik Kim, Choongyu Hwang, Ji Hoon Shim, Zhi-Xun Shen*, Sung-Kwan Mo*, and Jinwoong Hwang* 

    Small (2025)

3. Band-selective simulation of photoelectron intensity and converging Berry phase in Trilayer graphene

    Hayoon Im, Sue Hyeon Hwang, Minhee Kang, Kyoo Kim, Haeyong Kang*, and Choongyu Hwang* 

    Applied Science and Convergence Technology, 33(4), 91-95 (2024)

2. 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)

1. Modified Dirac fermions in the crystalline xenon and graphene Moiré heterostructure

    Suji Im†, Hayoon Im†, Kyoo Kim†, Ji-Eun Lee, Jinwoong Hwang, Sung-Kwan Mo*, and Choongyu Hwang*   

    Advanced Physics Research, 2, 2200091 (2023)

Presentations

19. The 69th Summer Annual Conference of the Korean Vacuum Society, Jeju, South Korea, Aug. 21. 2025

  Engineering electronic and geometric phases in 1T-TaTe2 via post annealing

  Poster presentation

18. The 16th International Conference on Electronic Spectroscopy and Structure, Berkeley, USA, Jul. 23. 2025

  Interfacial interaction between TaSe2 and bilayer graphene

  Oral presentation

17. The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 25. 2025

  Impact of Te desorption on structural transformation and charge order restoration in 1T-TaTe2 thin films

  Oral presentation (Outstanding Oral Presentation Award)

16. 4th ARPES Workshop, Daejeon, South Korea, Apr. 22. 2025

  The effect of bilayer graphene substrate on epitaxially grown monolayer TaSe2

  Poster presentation

15. The 23rd Korea-Taiwan-Japan Symposium on Strongly Correlated Electron System, Busan, South Korea, Mar. 14. 2025

  The effect of bilayer graphene substrate on epitaxially grown monolayer TaSe2

  Poster presentation (Best Poster Award)

14. The 3rd Joint Workshop for Quantum Matters, Jeongseon, South Korea, Jan. 4. 2025

  Controlling structure and interfacial interaction of monolayer TaSe2 on bilayer graphene

  Oral presentation

13. The Korean Physical Society Fall Meeting, Yeosu, South Korea, Oct. 23. 2024

  Berry phase in trilayer graphene studied through band-selective simulations of photoelectron intensity

  Poster presentation

12. The 67th Korean Vacuum Society Summer Annual Conference & IFFM 2024, Jeju, South Korea, Aug. 20. 2024

  Band-selective simulation of photoelectron intensity and converging Berry phase in trilayer graphene

  Poster presentation

11. The 66th Winter Annual Conference of the Korean Vacuum Society, Pyeongchang, South Korea, Feb. 16. 2024

  Experimental evidence of a new ordered phase in 1T-TaTe2

  Oral presentation (Outstanding Oral Presentation Award)

10. The 13th International Conference on Advanced Materials and Devices, Jeju, South Korea, Dec. 4. 2023

  Te-deficiency induced hidden phase in 1T-TaTe2 thin film

  Poster presentation

9. 3rd ARPES Workshop, Daejeon, South Korea, Nov. 30. 2023

  Te-deficiency induced hidden phase in 1T-TaTe2 thin film

  Poster presentation

8. 2023 제14회 물리학과 학술제, Busan, South Korea, Nov. 24. 2023

  Emergence of a hidden phase in 1T-TaTe2 thin films controlled by growth conditions

  Oral presentation

7. The Korean Physical Society Fall Meeting, Changwon, South Korea, Oct. 25. 2023

  Te-deficiency induced hidden phase in 1T-TaTe2 thin film

  Poster presentation

6. The 65th Summer Annual Conference of the Korean Vacuum Society, Jeju, South Korea, Aug. 22. 2023

  Tuning the electronic properties of graphene using xenon gas

  Oral presentation 

5. University of Amsterdam-부산대학교 물리학과 방문 및 연구 교류, Busan, South Korea, Jul. 28. 2023

  Moire pattern prepared by periodic adsorption of xenon gas on graphene

  Oral presentation 

4. International Conference on Strongly Correlated Electron Systems (SCES), Incheon, South Korea, Jul. 6. 2023

  Formation of the graphene Moire heterostructure using noble gas

  Poster presentation (Best Poster Award)

3. The Korean Physical Society Spring meeting, Daejeon, South Korea, Apr. 19. 2023

  Moire heterostructure in graphene by xenon adsorption

  Poster presentation (Outstanding Poster Presentation Award)

2. 2023 Dielectric Symposium, Busan, South Korea, Jan. 30. 2023

  Formation of the graphene Moire heterostructure using noble gas

  Poster presentation

1. 2022 제13회 물리학과 학술제, Busan, South Korea, Dec. 2. 2022

  Simulation of polarization-dependent photoelectron intensity in graphene: Measurement of the Berry phase in graphene

  Poster presentation