Built an X-ray scattering setup with a Huber 4-circle diffractometer and rotating anode source
Built a low-temperature setup using a closed-cycle cryostat
Circular Dichroism Resonant X-ray Scattering (CD-RXS) using a diamond phase retarder setup
Resonant soft X-ray scattering (RSXS) measurements of magnetic ordering
Terahertz time-domain spectroscopy (THz-TDS)
THz-TDS study of localized phonons in the CDW state of Kagome metals
In preperation
Time-resolved X-ray scattering using XFEL
(Resonant) X-ray scattering in home-lab and synchrotron facilities
THz time-domain spectroscopy
Crystal polishing and cleaving for X-ray scattering
Mechanical exfoliation for transmission experiments
Laue diffraction
Construction and maintenance of low-temperature X-ray scattering systems
Programming: MATLAB
Data Analysis & Visualization: SPEC, VESTA
Illustration & Figure Preparation: Adobe Illustrator, Origin
4. Electronic Melting of Silicon in Nanostructures using X-ray Forbidden Bragg Reflections
Ian Robinson, David Yang, Longlong Wu, Hyunjung Kim, Sung Soo Ha, Sungwook Choi, Changyong Song, Junha Hwang, Seung-Phil Heo, Jaeku Park, Intae Eom, Sunam Kim, J. Electron. Mater. 54:5051 (2025)
3. Frustrated phonon with charge density wave in vanadium Kagome metal
Seung-Phil Heo, Choongjae Won, Heemin Lee, Hanbyul Kim, Eunyoung Park, Sung Yun Lee, Junha Hwang, Hyeongi Choi, Sang-Youn Park, Byungjune Lee, Woo-Suk Noh, Hoyoung Jang, Jae-Hoon Park, Dongbin Shin, and Changyong Song, Nat. Commun. 16:4861 (2025)
2. Inverted nucleation for photoinduced nonequilibrium melting
Junha Hwang, Yungok Ihm, Daewoong Nam, Jaeyong Shin, Eunyoung Park, Sung Yun Lee, Heemin Lee, Seung-Phil Heo, Sangsoo Kim, Je Young Ahn, Ji Hoon Shim, Minseok Kim, Intae Eom, Do Young Noh, and Changyong Song, Sci. Adv. 10:eadl6409 (2024)
1. Ultrafast energy transfer process in confined Au nanospheres revealed by femtosecond X-ray imaging and diffraction
Jaeyong Shin, Chulho Jung, Yungok Ihm, Seung-Phil Heo, Daewoong Nam, Sangsoo Kim, Minseok Kim, Intae Eom, Ji Hoon Shim, Do Young Noh, and Changyong Song, Nano Letters 23:1481 (2023)
2. Best Poster Award
The 36th Synchrotron Radiation Users' Workshop
1. Best Poster Award
The 35th Synchrotron Radiation Users' Workshop
9. Frustrated phonon with charge density wave in vanadium Kagome metal
2025 Korean Physical Society (KPS) Fall Meeting October 2025, Rep. of Korea
8. Frustrated phonon with charge density wave (CDW) in vanadium Kagome metal
The 5th PAL-XFEL Users' Meeting July 2025, Rep. of Korea
7. Frustrated phonon with charge density wave in vanadium Kagome metal
The 36th Synchrotron Radiation Users' Workshop November 2024, Rep. of Korea
6. Direct Investigation of Ultrafast Charge Density Wave (CDW) Dynamics in Kagome Metal, Through Time-resolved X-ray Scattering
American Physical Society (APS) March Meeting 2024 March 2024, USA
5. Probing the Role of A-site Cations to Charge Density Wave (CDW) Order in Kagome Metal via X-ray Diffraction
The 35th Synchrotron Radiation Users' Workshop November 2023, Rep. of Korea
4. Probing the Role of A-site Cations to Charge Density Wave (CDW) Order in kagome metal AV3Sb5 (A = K, Rb, Cs) through X-ray Scattering
2023 Korean Physical Society (KPS) Fall Meeting October 2023, Rep. of Korea
3. Ultrafast Dynamics of Charge Density Wave (CDW) Order in Kagome Metal, CsV3Sb5
The 3rd PAL-XFEL Users' Meeting August 2023, Rep. of Korea
2. Ultrafast Dynamics of Charge Density Wave (CDW) Order in Kagome Metal, CsV3Sb5
International Conference on Strongly Correlated Electron Systems (SCES 2023) July 2023, Rep. of Korea
1. Ultrafast dynamics of charge density wave (CDW) order in kagome metal, CsV3Sb5
2023 Korean Physical Society (KPS) Spring Meeting April 2023, Rep. of Korea