Jungseek Hwang
Embedded Files
Professor
Department of Physics Tel: +82-31-290-7040 (Physics Office)
Sungkyunkwan University (SKKU) Tel: +82-31-299-4545 (Office)
Suwon, Gyeonggi-do 16419, Tel: +82-31-299-4515 (Lab)
Republic of Korea Fax: +82-31-290-7055
Email: jungseek@skku.edu or jungseek@gmail.com
Education:
Doctor of Philosophy (Ph.D.), Physics (May, 2001): 1996 (Aug.) – 2001 (May)
Department of Physics, UNIVERSITY OF FLORIDA, Gainesville, Florida, USA
Electrochemical Spectroscopy of Conjugated Polymers
Advisor: Distinguished Prof. David B. Tanner (Condensed matter physics experiment)
Master of Science (M.S.), Physics (August, 1991): 1989 (Mar.) – 1991 (Aug.)
Department of Physics, PUSAN NATIONAL UNIVERSITY, Busan, Republic of Korea
The Study of Statistics Transmutation in 2+1 Dimension
Advisor: Prof. Chang-Gil Han (Particle physics theory)
Bachelor of Science (B.S.), Physics (February, 1989): 1985 (Mar.) – 1989 (Feb.)
Department of Physics, PUSAN NATIONAL UNIVERSITY, Busan, Republic of Korea
Employment:
Department of Physics, SUNGKYUNKWAN UNIVERSITY, Suwon, Republic of Korea
Professor: 2021 (Mar.) – Present
Visiting Professor (Sabbatical leave): 2024 (Sept.) – Present
Quantum Materials, Department of Physics & Astronomy, MCMASTER UNIVERSITY, Hamilton, Canada
Department Chair: 2022 (Jan.) - 2023 (Dec.) (for 2 years)
Associated Professor (Tenured): 2016 (Mar.) - 2021 (Feb.)
Research Scholar (Sabbatical leave): 2017 (Sept.) – 2018 (Aug.)
NSLS II, Photon Sciences & Electron Spectroscopy Group, BROOKHAVEN NATIONAL LABORATORY, Upton, New York
Associated Professor: 2013 (Mar.) - 2016 (Feb.)
Assistant Professor: 2011 (Sept.) - 2013 (Feb.)
Department of Physics, PUSAN NATIONAL UNIVERSITY, Busan, Republic of Korea
Assistant Professor: 2009 (Mar.) – 2011 (Aug.)
UNIVERSITY OF FLORIDA, Gainesville, Florida, with Distinguished Prof. David B. Tanner
Post-doctoral Associate: 2007 (Aug.) – 2009 (Feb.)
NSLS Facility User: 2007 (June) – 2009 (August)
NSLS, BROOKHAVEN NATIONAL LABORATORY, Upon, New York
Visiting Scientist/Professional: 2008 (Sept.) – 2009 (Sept.)
LAWRENCE LIVERMORE NATIONAL LABORATORY, Livermore, California
MCMASTER UNIVERSITY, Department of Physics & Astronomy, Hamilton, Canada,with Prof. Thomas Timusk
Research Scientist: 2005 (Sept.) – 2007 (July)
Research Associate (Academic): 2003 (Sept.) – 2005 (Aug.)
Post-doctoral Research Fellow: 2001 (Sept.) – 2003 (Aug.)
UNIVERSITY OF FLORIDA, Department of Physics, with Distinguished Prof. David B. Tanner
Post-doctoral Fellow: 2001 (May) – 2001 (Aug.)
UNIVERSITY OF FLORIDA, Department of Physics, Gainesville, Florida, USA
Graduate Research Assistant: 1999 (Jan.) – 2001 (May)
Graduate Research & Teaching Assistant: 1996 (Aug.) – 1998 (Dec.)
NORTHEASTERN UNIVERSITY, Department of Physics, Boston, USA
Graduate Teaching Assistant: 1995 (Sept.) – 1996 (July)
PUSAN NATIONAL UNIVERSITY, Department of Physics, Busan, South Korea
Graduate Teaching & Research Assistant: 1989 (Mar.) – 1991(Feb.)
Awards, Honors and Associations:
Awards, Honors and Associations:
Scientific Reports Editorial Board Member: 2017 April - present
Scientific Reports Editorial Board Member: 2017 April - present
Review Board Member of National Research Foundation of Korea (NRFK): 2014 - 2017 (3 years)
Review Board Member of National Research Foundation of Korea (NRFK): 2014 - 2017 (3 years)
Korean Physical Society (KPS) Fellow: Since 2019
Korean Physical Society (KPS) Fellow: Since 2019
Korean Physical Society (KPS): since 2009
Korean Physical Society (KPS): since 2009
American Physical Society (APS): since 1999
American Physical Society (APS): since 1999
Phi Beta Kappa (FBK) Academic Honors Society: since 2001
Phi Beta Kappa (FBK) Academic Honors Society: since 2001
Who’s Who in America 2010: Marquis Who's Who, 64th Ed.
Who’s Who in America 2010: Marquis Who's Who, 64th Ed.
Four Certificates for Outstanding Achievement (GPA 4.0/4.0): 1997 – 2000, International Student Office, University of Florida
Four Certificates for Outstanding Achievement (GPA 4.0/4.0): 1997 – 2000, International Student Office, University of Florida
Certificate for Outstanding Achievement: 1998, College of Liberal Arts and Science, University of Florida
Certificate for Outstanding Achievement: 1998, College of Liberal Arts and Science, University of Florida
Grinter Fellowship, University of Florida: 1997 (Summer)
Grinter Fellowship, University of Florida: 1997 (Summer)
CHUNGSOO Scholarship Foundation, Republic of Korea: 1986 – 1991 (for 5 years)
CHUNGSOO Scholarship Foundation, Republic of Korea: 1986 – 1991 (for 5 years)
Selected publications:
1. J. Hwang, T. Timusk and G. D. Gu, High-transition-temperature superconductivity in the absence of the magnetic resonance mode, Nature (London) 427, 714-717 (2004).
- News & Views: "Shine a light" Nature (London) 427, 692 (2004) by Micheal Norman.
- "High-Temp Knockout" Gone: Two possible superconducting "Glues" Scientific American (page 28-29) May 2004 by Grahamp P. Collins.
- Jungseek Hwang, Thomas Timusk and Genda Gu, Copper oxide superconductors: Sharp-mode coupling in high-Tc superconductors (reply), Nature (London) 432, Brief communications Arising (18 November 2004).
2. Jungseek Hwang, Thomas Timusk and Jules P. Carbotte, Scanning-tunnelling spectra of cuprates, Nature (London) 446, E3-E4 Brief Communications Arising (8 March 2007).
3. J. Hwang, E. J. Nicol, T. Timusk, A. Knigavko and J. P. Carbotte, High energy scales in the optical self-energy of the cuprate superconductors, Physical Review Letters 98, 207002/1-4(2007).
4. J. Hwang, J. P. Carbotte and T. Timusk, Evidence for a pseudogap in underdoped Bi2Sr2CaCu2O8+d and YBa2Cu3O6.50 from in-plane optical conductivity measurements, Physical Review Letters 100, 177005/1-4 (2008).
5. J. Hwang, E. Schachinger, J. P. Carbotte, F. Gao, D. B. Tanner and T. Timusk, Bosonic spectral density of epitaxial thin-film La1.83Sr0.17CuO4 superconductor from infrared conductivity measurements, Physical Review Letters 100, 137005/1-4 (2008).
6. J. Yang, J. Hwang, E. Schachinger, J.P. Carbotte, R.P.S.M. Lobo, D. Colson, A. Forget and T. Timusk, Exchange boson dynamics in cuprates: Optical conductivity of HgBa2CuO4+d, Physical Review Letters 102, 027003/1-4 (2009).
7. Xiaoxiang Xi, J. Hwang, C. Martin, D. B. Tanner, and G. L. Carr, Far-Infrared Conductivity Measurements of Pair Breaking in Superconducting Nb0.5Ti0.5N Thin Films Induced by an External Magnetic Field, Physical Review Letters 105, 257006/1-4 (2010).
8. T. Kolodiazhnyi, M. Tachibana, H. Kawaji, J. Hwang and E. Muromachi, Persistence of ferroelectricity in BaTiO3 through the insulator-metal transition, Physical Review Letters 104, 147602/1-4 (2010).
9. S. J. Asztalos, G. Garosi, C. Hagmann, K. van Bibber, M. Hotz, L. Rosenberg, G. Rybka, J. Hoskins, J. Hwang, P. Sikivie, D. B. Tanner, R. Bradley, and J. Clarke, A SQUID-based microwave cavity search for dark-mater axions, Physical Review Letters 104, 041301/1-4 (2010).
10. Joules P. Carbotte, Thomas Timusk, and Jungseek Hwang, Bosons in high-temperature superconductors: an experimental survey, Reports on Progress in Physics 74, 066501/1-43 (2011).
11. Subhasis Samanta, Hwiwoo Park, Chanhyeon Lee, Sungmin Jeon, Hengbo Cui, Yong-Xin Yao, Jungseek Hwang, Kwang-Yong Choi, and Heung-Sik Kim, Emergence of flat bands via orbital-selective electron correlations in Mn-based kagome metal, Nature Communications 15, 5376/1-11 (2024).
12. Taewoo Ha, Yu-Seong Seo, Teun–Teun Kim, Bipin Lamichhane, Young-Hoon Kim, Su Jae Kim, Yousil Lee, Miyeon Cheon, Jong Chan Kim, Sang Eon Park, Kyung Ik Sim, Jae Hoon Kim, Yong In Kim, Seon Je Kim, Hu Young Jeong, Young Hee Lee, Seong-Gon Kim, Young-Min Kim, Jungseek Hwang, and Se–Young Jeong, Coherent consolidation of trillions of nucleations into a coplanar layer aimed a mono-atom step-level flat surface, Nature Communications 14, 685 /1-9 (2023).
13. Yi Jiang, Inseon Oh, Se Hun Joo, Yu-Seong Seo, Sun Hwa Lee, Won Kyung Seong, Yu Jin Kim, Jungseek Hwang, Sang Kyu Kwak, Jung-Woo Yoo, and Rodney S. Ruoff, Synthesis of a Copper 1,3,5-Triamino-2,4,6-Benzenetriol Metal-Organic Framework, Journal of the American Chemical Society 142, 18346-18354 (2020).
14. J. Hwang, H. H. Gommans, A. Ugawa, H. Tashiro, R. Haggenmueller, K. I. Winey, J. E. Fischer, D. B. Tanner and A. G. Rinzler, Polarized spectroscopy of aligned single wall carbon nanotubes, Physical Review B (Rapid Communications) 62, R13310-R13313 (2000).
15. J. Hwang, D. B. Tanner, I. Schwendeamn and J. R. Reynolds, Optical properties of nondegenerate ground state polymers: Three dioxythiophene-based conjugated polymers, Physical Review B 67, 115205/1-10 (2003).
16. J. Hwang, J. Yang, T. Timusk, S. G. Sharapov, J. P. Carbotte, D. A. Bonn, Ruixing Liang and W. N. Hardy, a-axis optical conductivity of detwinned ortho-II YBa2Cu3O6.50, Physical Review B 73, 014508/1-12 (2006).
17. J. Hwang, T. Timusk, E. Schachinger and J. P. Carbotte, Evolution of the bosonic spectral density of the high-temperature superconductor Bi2Sr2CaCu2O8+d, Physical Review B 75, 144508/1-6 (2007).
18. J. Hwang, T. Kolodiazhnyi, J. Yang and M. Couillard, Doping and temperature dependent optical properties of reduced BaTiO3-d, Physical Review B 82, 214109/1-8 (2010).
19. I. Giurgiu, J. Hwang, D. M. Welsh, D. B. Tanner and J. R. Reynolds, Combined Visible and Infrared Electrochromism Using Dual Polymer Devices, Advanced Materials 13, 634-637(2001).
20. Argun AA, Aubert PH, Thompson BC, Schwendeman I, Gaupp CL, Hwang J, Pinto NJ, Tanner DB, MacDiarmid AG and Reynolds JR, Multicolored electrochromism polymers: Structures and devices, Chemistry of Materials 16, 4401-4412 (2004). (*Invited for special edition on Organic Electronics)
21. J. Hwang, T. Timusk and G. D. Gu, Doping dependent optical properties of Bi2Sr2CaCu2O8+d, Journal of Physics: condensed Matter 19, 125208/1-32 (2007). (*Invited for a special issue on strongly correlated electrons).
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