Kwon, Yong Seung (권용성)

PROFESSOR

Physics Materials Science

RESEARCH AREA

● High Tc Superconductors and magnetic materials
● Thermoelectric Materials

ACADEMIC & CAREER EXPERIENCE

Ph. D., Tohoku University, JAPAN

Professor at Sungkyunkwan University
Invited Professor at Nagoya University
Invited Professor at the Institute for Molecular Science, Japan

OFFICE

E2-313

LAB

E2-315

PHONE

+82.53.785.6520
Lab Website

Our Researches

The magnetic order observed at x=0 is completely suppressed at x=0.3 and
non-Fermi-liquid behavior appears at the critical concentration,

which is analyzed in terms of two-dimensional
antiferromagnetic quantum fluctuations. ( PHYSICAL REVIEW B 71, 214433 (2005) )

Representative Publications

“Peierls distortion as a route to high thermoelectric performance in In4Se3- crystals”, Jong-Soo Rhyee, Kyu Hyoung Lee, Sang Mock Lee, Eunseog Cho, Sang Il Kim, Eunsung Lee, Yong Seung Kwon, Ji Hoon Shim, Gabriel Kotliar , Nature 459 (2009) 965 [IF=40.137]

“Majorana fermions in the Kitaev quantum spinsystem α-RuCl3”, Seung-Hwan Do, Sang-Youn Park, Junki Yoshitake, Joji Nasu, Yukitoshi Motome,Yong Seung Kwon, D. T. Adroja, D. J. Voneshen, Kyoo Kim, T.-H. Jang, J.-H. Park,Kwang-Yong Choi and Sungdae Ji, Nat. Phys. 13, 1079-1084 (2017) [IF=22.806]

“Direct observation of dispersive Kondo resonance peaks in a heavy fermion system”, H. J. Im, T. Ito, H.-D. Kim, S. Kimura, K. E. Lee, J. B. Hong, Y. S. Kwon1, A. Yasui, H. Yamagami , Phys. Rev. Lett. 100 (2008) 176402 [IF=8.462]

“Evidence for a Field-Induced Quantum Spin Liquid in α-RuCl3”,S.-H. Baek, S.-H. Do, K.-Y. Choi, Y. S. Kwon and A. U. B. Wolter, Phys. Rev. Lett. 119, 037201 (2017) [IF=8.462]

“Thermal activation energy of 3Dvortex matter in NaFe1−xCoxAs(x=0.01, 0.03 and 0.07) singlecrystals”, W. J. Choi, Y. I. Seo, D. Ahmad & Yong Seung Kwon, Sci. Rep. 7, 10900 (2017) [IF=4.259]

“Optical properties of optimally doped single-crystal Ca8.5La1.5(Pt3As8)(Fe2As2)5”, Yu-il Seo, Woo-Jae Choi, Shin-ichi Kimura, Yunkyu Bang, and Yong Seung Kwon, Phys. Rev. B 95, 094510 (2017) [IF=3.836]