이영선 (Yeongseon Lee)

yslee14@mpk.or.kr

RESEARCH INTEREST

•  Ultrafast dynamics on condensed matter

•  Unconventional superconductor

• Nonlinear Phononics 

EDUCATION

• D. Phil. Department of physics, Chungbuk National University (2021. 02. 28.), Advisor : Prof. Kyungwan Kim
  Doctor's Thesis : Ultrafast study of nematic fluctuations in the optimally doped Fe-based superconductor BaFe1.87Co0.13As2.

• M. S. Department of physics, Chungbuk National University (2013. 08. 31.), Advisor : Prof. Byungwon Kang
  Master's Thesis : Study for Resonance Tunneling Phenomena by Periodic Potential in Quasi 1-dimensional Type-II superconductor.

• B. S. Department of physics, Chungbuk National University (2011. 02. 28.)

RESERCH EXPERIENCE

Postdoctoral Fellow Max Plank POSTECH/Korea Research Initiative (2024. 01 ~ current)

Advisor : Prof. ChangYong Song

Summary

• Build of Two path Optical Parametric Amplifier and Narrow band THz generation. (4 ~ 19 THz)

Postdoctoral Fellow Max Plank POSTECH/Korea Research Initiative (2022. 06. ~ 2023. 12)

Advisor : Prof. Dongeon Kim

Summary

• Build of Frequency Domain Interferometry to study ultrafast refractive index dynamics in Ferroelectric material LiNbO3.

Postdoctoral Fellow Research Institute for Nanoscale Science & Technology (2021. 03. ~ 2022. 06.)

Advisor : Prof. Kyungwan Kim

Summary

• Build of 800nm Pump-Probe reflectometry

• Experiment and Analysis on BaFe1.87Co0.13As2.

• Calculation electron and phonon band structure, dielectric function (Quantum espresso) for study electron-phonon coupling in MgB2.

PUBLICATION LIST

Gao, H. C., Singh, P., Seo, C., Ruli, F., Lee, Y. S., Razaq, D. S., ... & Kim, K. W. (2024). Charge ordered phases in IrTe 2 revealed by coherent phonon spectroscopy. Physical Review B, 110(24), 245119.

Putra, R. P., Lee, Y. S., Oh, J. Y., Tien, L. M., Kang, W. N., Miyanaga, T., & Kang, B. (2022). Correlation between Tc and local structure of MgB2 with ZnO buffer layer: X-ray absorption fine structure study. Physica B: Condensed Matter, 645, 414234.

Lee, M. C., Kwak, I., Lee, Y., Lee, B., Park, B. C., Wolf, T., ... & Kim, K. (2022). Nematic response revealed by coherent phonon oscillations in BaFe 2 As 2. Physical Review B, 105(2), 024501.

Putra, R. P., Lee, Y. S., Duong, P., Ko, Y. J., Kang, W. N., Kim, K. H., & Kang, B. (2021). Electron-phonon coupling behavior in MgB2 films with various thicknesses of ZnO buffer layer on metallic substrates. Solid State Communications, 323, 114117.

Lee, Y., Kwak, I., Lee, M. C., Seo, C., Kim, Y., Wolf, T., ... & Kim, K. (2020). Nematic Fluctuations in Optimally Doped BaFe1. 87Co0. 13As2 Observed in Photoinduced Reflectivity Change. physica status solidi (RRL)-Rapid Research Letters, 14(3), 1900584.

Kwak, I., Huh, S., Lee, M. C., Kim, Y., Lee, B., Lee, Y. S., ... & Kim, K. W. (2020). Rotation of reflectivity anisotropy due to uniaxial strain along [110] tetr in the electron-doped Fe-based superconductor Ba (Fe 0.955 Co 0.045) 2 As 2. Physical Review B, 101(16), 165136.

Lee, Y. S., & Kang, B. (2014). Resonance tunneling phenomena by periodic potential in type-II superconductor. Progress in Superconductivity and Cryogenics, 16(1), 1-5.