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Je-geun Park

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Korean physicist

Je-Geun Park (Hangul 박제근, Chinese character 朴濟根, born 1965) is a physicist in the Republic of Korea. He is a condensed matter physicist known for his work on wide-ranging problems of magnetism, in particular strongly correlated electron systems. He is credited with discovering a new class of magnetic 2D materials, also known as van der Waals magnets. He has worked as a professor at Seoul National University.

Biography

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He was born on October 14, 1965, in Gosung, Republic of Korea. He is married with one daughter. He graduated from Dae-Ah High School in 1984 and attended the Department of Physics at Seoul National University from 1984 to 1988. After his undergraduate, he went on to do his MSc in the group of Professor Se-Jung Oh and worked on core-levels spectroscopy of Mn dihalides and graduated in 1990. He won a national overseas scholarship from the Korean government in 1989 and went to Imperial College, London, to study PhD under Prof. Bryan Coles, FRS. Before returning to Korea, he spent a few years of stints at Lab. Louis Neel, Grenoble, France and Birkbeck College, London. He worked at Inha University (1996–2001) and Sungkyunkwan University (2001–2010). He moved to Seoul National University as a university professor in 2010 and has since built a world-renowned group with pioneering works on van der Waals magnets. He is currently a professor at the Department of Physics and Astronomy of Seoul National University.[1]

Education

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Career

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Je-Geun Park worked at Lab. Louis Neel, Grenoble, France and Birkbeck College, London, as a post-docs after getting PhD from Imperial College, London, in 1993. He then returned to Korea to take up an assistant professor position at Inha University from 1996 to 2000 and was promoted to associate professor in 2001. He then worked as an associate professor at SungKyunKwan University from 2001 to 2006 before becoming a professor from 2006 to 2009 and SKKU fellow from 2009 to 2010. He later moved to Seoul University in 2010 as a professor. He is currently a director at the Center for Quantum Materials.

Awards

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  • 2023 : The POSCO TJ Park Science Award[2]
  • 2017 : Member, the Korean Academy of Science and Technology[3]
  • 2016 : The Korea Science Award[4]
  • 2015 : The 2015 Academic Award, the Korean Physical Society[5]
  • 2007 : LG Yonam Fellowship[6]
  • 1995 : Rosalind Franklin Prize, Birkbeck College, London[6]
  • 1989 : The Korean Government National Scholarship

Patents

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Jeong Ho Lee's patents include Probe System For Low-Temperature High-Precision Heat Transport Measurement And Measurement Device Including Same[7] registered in 2022 and Magnetic Memory Using Spin Current, Operating Method Thereof, And Electronic Apparatus Including Magnetic Memory[8] registered in 2023.

Publications

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  • 1992 : Origin of 3s splitting in the photoemission spectra of Mn and Fe insulating Compounds[9]
  • 2006 : Spin gap in Tl2Ru2O7 and the possible formation of Haldane chains in three-dimensional crystals[10]
  • 2008 : Giant magneto-elastic coupling in multiferroic hexagonal manganites[11]
  • 2012 : Spin wave measurements over the full Brillouin zone of multiferroic BiFeO3[12]
  • 2013 : Magnon breakdown in a two dimensional triangular lattice Heisenberg antiferromagnet of multiferroic LuMnO3[13]
  • 2016 : Ising-Type Magnetic Ordering in Atomically Thin FePS3[14]
  • 2016 : Spontaneous decays of magneto-elastic excitations in noncollinear antiferromagnet (Y,Lu)MnO3[15]
  • 2018 : Magnetism in two-dimensional van der Waals materials[16]
  • 2018 : Charge-spin correlation and self-doped ground state in van der Waals antiferromagnet NiPS3[17]
  • 2019 : Suppression of magnetic ordering in XXZ-type antiferromagnetic monolayer NiPS3[18]
  • 2020 : Gigantic current control of coercive field and magnetic memory based on nanometer-thin ferromagnetic van der Waals Fe3GeTe2[19]
  • 2020 : Momentum-dependent magnon lifetime in the metallic noncollinear triangular antiferromagnet CrB2[20]
  • 2020 : Coherent many-body exciton in van der Waals antiferromagnet NiPS3[21]
  • 2021 : Spin texture induced by nonmagnetic doping and spin dynamics in 2D triangular lattice antiferromagnet h-Y(Mn,Al)O-3[22]
  • 2021 : Possible persistence of multiferroic order down to bilayer limit of van der Waals material NiI2[23]
  • 2021 : Sizable suppression of thermal Hall effect upon isotopic substitution in SrTiO3[24]
  • 2021 : Giant modulation of optical nonlinearity by Floquet engineering[25]
  • 2022 : Multiferroic-Enabled Magnetic-Excitons in 2D Quantum-Entangled Van der Waals Antiferromagnet NiI2[26]

References

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  1. ^ "Emergent Phenomena Group".
  2. ^ "17th '2023 POSCO TJ Park Award'". www.postf.org. Retrieved 2023-12-29.
  3. ^ "KAST Brochure 2019". The Korean Academy of Science and Technology. 2019-07-05. Retrieved 2023-12-28.
  4. ^ 동아사이언스 (2016-12-26). "올해의 과학자는... 박제근 서울대 교수, 임대식 한국과학기술원 교수 한국과학상 수상". www.dongascience.com (in Korean). Retrieved 2023-12-29.
  5. ^ Holt, Jade (2016-02-19). "Je-Geun Park: understanding strongly correlated physics". JPhys+. Retrieved 2023-12-29.
  6. ^ a b Holt, Jade (2015-02-20). "Introducing JPCM's new Advisory Board members". JPhys+. Retrieved 2023-12-29.
  7. ^ "US Patent Application for Probe System for Low-Temperature High-Precision Heat Transport Measurement Device Include Same Patent Application (Application #20220163400 issued May 26, 2022) - Justia Patents Search". patents.justia.com. Retrieved 2023-12-29.
  8. ^ "US Patent Application for Magnetic Memory Using Spin Current, Operating Method Thereof, and Electronic Apparatus Including Magnetic Memory Patent Application (Application #20230352072 issued November 2, 2023) - Justia Patents Search". patents.justia.com. Retrieved 2023-12-29.
  9. ^ Oh, S.-J.; Gweon, Gey-Hong; Park, Je-Geun (1992-05-04). "Origin of 3s splittings in the photoemission spectra of Mn and Fe insulating compounds". Physical Review Letters. 68 (18): 2850–2853. Bibcode:1992PhRvL..68.2850O. doi:10.1103/PhysRevLett.68.2850. PMID 10045508.
  10. ^ Lee, Seongsu; Park, J.-G.; Adroja, D. T.; Khomskii, D.; Streltsov, S.; McEwen, K. A.; Sakai, H.; Yoshimura, K.; Anisimov, V. I.; Mori, D.; Kanno, R.; Ibberson, R. (June 2006). "Spin gap in Tl2Ru2O7 and the possible formation of Haldane chains in three-dimensional crystals". Nature Materials. 5 (6): 471–476. doi:10.1038/nmat1605. ISSN 1476-4660. PMID 16699512. S2CID 21511498.
  11. ^ Lee, Seongsu; Pirogov, A.; Kang, Misun; Jang, Kwang-Hyun; Yonemura, M.; Kamiyama, T.; Cheong, S.-W.; Gozzo, F.; Shin, Namsoo; Kimura, H.; Noda, Y.; Park, J.-G. (February 2008). "Giant magneto-elastic coupling in multiferroic hexagonal manganites". Nature. 451 (7180): 805–808. Bibcode:2008Natur.451..805L. doi:10.1038/nature06507. ISSN 1476-4687. PMID 18273014. S2CID 4372344.
  12. ^ Jeong, Jaehong; Goremychkin, E. A.; Guidi, T.; Nakajima, K.; Jeon, Gun Sang; Kim, Shin-Ae; Furukawa, S.; Kim, Yong Baek; Lee, Seongsu; Kiryukhin, V.; Cheong, S.-W.; Park, Je-Geun (2012-02-14). "Spin wave measurements over the full Brillouin zone of multiferroic BiFeO3". Physical Review Letters. 108 (7): 077202. arXiv:1201.0436. doi:10.1103/PhysRevLett.108.077202. ISSN 0031-9007. PMID 22401246.
  13. ^ Oh, Joosung; Le, Manh Duc; Jeong, Jaehong; Lee, Jung-hyun; Woo, Hyungje; Song, Wan-Young; Perring, T. G.; Buyers, W. J. L.; Cheong, S.-W.; Park, Je-Geun (2013-12-18). "Magnon Breakdown in a Two Dimensional Triangular Lattice Heisenberg Antiferromagnet of Multiferroic ${\mathrm{LuMnO}}_{3}$". Physical Review Letters. 111 (25): 257202. arXiv:1311.6652. doi:10.1103/PhysRevLett.111.257202. PMID 24483753. S2CID 2178658.
  14. ^ Lee, Jae-Ung; Lee, Sungmin; Ryoo, Ji Hoon; Kang, Soonmin; Kim, Tae Yun; Kim, Pilkwang; Park, Cheol-Hwan; Park, Je-Geun; Cheong, Hyeonsik (2016-12-14). "Ising-Type Magnetic Ordering in Atomically Thin FePS 3". Nano Letters. 16 (12): 7433–7438. arXiv:1608.04169. Bibcode:2016NanoL..16.7433L. doi:10.1021/acs.nanolett.6b03052. ISSN 1530-6984. PMID 27960508. S2CID 30229806.
  15. ^ Oh, Joosung; Le, Manh Duc; Nahm, Ho-Hyun; Sim, Hasung; Jeong, Jaehong; Perring, T. G.; Woo, Hyungje; Nakajima, Kenji; Ohira-Kawamura, Seiko; Yamani, Zahra; Yoshida, Y.; Eisaki, H.; Cheong, S.-W.; Chernyshev, A. L.; Park, Je-Geun (2016-10-19). "Spontaneous decays of magneto-elastic excitations in non-collinear antiferromagnet (Y,Lu)MnO3". Nature Communications. 7 (1): 13146. doi:10.1038/ncomms13146. ISSN 2041-1723. PMC 5075801. PMID 27759004.
  16. ^ Burch, Kenneth S.; Mandrus, David; Park, Je-Geun (November 2018). "Magnetism in two-dimensional van der Waals materials". Nature. 563 (7729): 47–52. Bibcode:2018Natur.563...47B. doi:10.1038/s41586-018-0631-z. ISSN 1476-4687. OSTI 1481645. PMID 30382199. S2CID 53180804.
  17. ^ Kim, So Yeun; Kim, Tae Yun; Sandilands, Luke J.; Sinn, Soobin; Lee, Min-Cheol; Son, Jaeseok; Lee, Sungmin; Choi, Ki-Young; Kim, Wondong; Park, Byeong-Gyu; Jeon, C.; Kim, Hyeong-Do; Park, Cheol-Hwan; Park, Je-Geun; Moon, S. J. (2018-03-27). "Charge-Spin Correlation in van der Waals Antiferromagnet ${\mathrm{NiPS}}_{3}$". Physical Review Letters. 120 (13): 136402. arXiv:1706.06259. doi:10.1103/PhysRevLett.120.136402. PMID 29694193. S2CID 19089785.
  18. ^ Kim, Kangwon; Lim, Soo Yeon; Lee, Jae-Ung; Lee, Sungmin; Kim, Tae Yun; Park, Kisoo; Jeon, Gun Sang; Park, Cheol-Hwan; Park, Je-Geun; Cheong, Hyeonsik (2019-01-21). "Suppression of magnetic ordering in XXZ-type antiferromagnetic monolayer NiPS3". Nature Communications. 10 (1): 345. doi:10.1038/s41467-018-08284-6. ISSN 2041-1723. PMC 6341093. PMID 30664705.
  19. ^ Zhang, Kaixuan; Han, Seungyun; Lee, Youjin; Coak, Matthew J.; Kim, Junghyun; Hwang, Inho; Son, Suhan; Shin, Jeacheol; Lim, Mijin; Jo, Daegeun; Kim, Kyoo; Kim, Dohun; Lee, Hyun-Woo; Park, Je-Geun (January 2021). "Gigantic Current Control of Coercive Field and Magnetic Memory Based on Nanometer-Thin Ferromagnetic van der Waals Fe 3 GeTe 2". Advanced Materials. 33 (4): e2004110. arXiv:2108.12111. Bibcode:2021AdM....3304110Z. doi:10.1002/adma.202004110. ISSN 0935-9648. PMID 33283320. S2CID 227523020.
  20. ^ Park, Pyeongjae; Park, Kisoo; Kim, Taehun; Kousaka, Yusuke; Lee, Ki Hoon; Perring, T. G.; Jeong, Jaehong; Stuhr, Uwe; Akimitsu, Jun; Kenzelmann, Michel; Park, Je-Geun (2020-07-07). "Momentum-Dependent Magnon Lifetime in the Metallic Noncollinear Triangular Antiferromagnet ${\mathrm{CrB}}_{2}$". Physical Review Letters. 125 (2): 027202. arXiv:2006.11530. doi:10.1103/PhysRevLett.125.027202. PMID 32701352. S2CID 219965715.
  21. ^ Kang, Soonmin; Kim, Kangwon; Kim, Beom Hyun; Kim, Jonghyeon; Sim, Kyung Ik; Lee, Jae-Ung; Lee, Sungmin; Park, Kisoo; Yun, Seokhwan; Kim, Taehun; Nag, Abhishek; Walters, Andrew; Garcia-Fernandez, Mirian; Li, Jiemin; Chapon, Laurent (July 2020). "Coherent many-body exciton in van der Waals antiferromagnet NiPS3". Nature. 583 (7818): 785–789. doi:10.1038/s41586-020-2520-5. ISSN 1476-4687. PMID 32690938. S2CID 220656695.
  22. ^ Park, Pyeongjae; Park, Kisoo; Oh, Joosung; Lee, Ki Hoon; Leiner, Jonathan C.; Sim, Hasung; Kim, Taehun; Jeong, Jaehong; Rule, Kirrily C.; Kamazawa, Kazuya; Iida, Kazuki; Perring, T. G.; Woo, Hyungje; Cheong, S.-W.; Zhitomirsky, M. E. (2021-04-16). "Spin texture induced by non-magnetic doping and spin dynamics in 2D triangular lattice antiferromagnet h-Y(Mn,Al)O3". Nature Communications. 12 (1): 2306. doi:10.1038/s41467-021-22569-3. ISSN 2041-1723. PMC 8052335. PMID 33863905.
  23. ^ Ju, Hwiin; Lee, Youjin; Kim, Kwang-Tak; Choi, In Hyeok; Roh, Chang Jae; Son, Suhan; Park, Pyeongjae; Kim, Jae Ha; Jung, Taek Sun; Kim, Jae Hoon; Kim, Kee Hoon; Park, Je-Geun; Lee, Jong Seok (2021-06-23). "Possible Persistence of Multiferroic Order down to Bilayer Limit of van der Waals Material NiI 2". Nano Letters. 21 (12): 5126–5132. arXiv:2106.03006. Bibcode:2021NanoL..21.5126J. doi:10.1021/acs.nanolett.1c01095. ISSN 1530-6984. PMID 34096728. S2CID 235358700.
  24. ^ Sim, Sangwoo; Yang, Heejun; Kim, Ha-Leem; Coak, Matthew J.; Itoh, Mitsuru; Noda, Yukio; Park, Je-Geun (2021-01-08). "Sizable Suppression of Thermal Hall Effect upon Isotopic Substitution in ${\mathrm{SrTiO}}_{3}$". Physical Review Letters. 126 (1): 015901. arXiv:2012.06085. doi:10.1103/PhysRevLett.126.015901. PMID 33480802. S2CID 231678352.
  25. ^ Shan, Jun-Yi; Ye, M.; Chu, H.; Lee, Sungmin; Park, Je-Geun; Balents, L.; Hsieh, D. (December 2021). "Giant modulation of optical nonlinearity by Floquet engineering". Nature. 600 (7888): 235–239. arXiv:2206.08385. Bibcode:2021Natur.600..235S. doi:10.1038/s41586-021-04051-8. ISSN 1476-4687. PMID 34880426. S2CID 245089790.
  26. ^ Son, Suhan; Lee, Youjin; Kim, Jae Ha; Kim, Beom Hyun; Kim, Chaebin; Na, Woongki; Ju, Hwiin; Park, Sudong; Nag, Abhishek; Zhou, Ke-Jin; Son, Young-Woo; Kim, Hyeongdo; Noh, Woo-Suk; Park, Jae-Hoon; Lee, Jong Seok (March 2022). "Multiferroic-Enabled Magnetic-Excitons in 2D Quantum-Entangled Van der Waals Antiferromagnet NiI 2". Advanced Materials. 34 (10): e2109144. arXiv:2112.11692. Bibcode:2022AdM....3409144S. doi:10.1002/adma.202109144. ISSN 0935-9648. PMID 34936713. S2CID 245385174.
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