Prof. Sang-Koog Kim

Education

- Pohang University of Science and Technology : Ph.D. in Materials Science and Engineering(1996. 2)

- Pohang University of Science and Technology : M.S. in Materials Science and Engineering(1992. 2)

- Korea Advanced Institute of Science and Technology : B.S. in Materials Science and Engineering(1990. 2)

Career

- Head director of BK21 Creative Human Resources Materials Education Research Center, Seoul National University (2017.9-2019.12)

- Chief editor of Journal of Magnetics (2017-2021)

- Head director of BK21 Creative Human Resources Materials Education Research Center, Seoul National University (2014.3-2016.4)

- Editorial board member of the journal, Scientific Reports (Nature) (2013-present)

- Head director of International Conference on Magnetism 2012 (Busan, program: 1500+) 

- Seoul National University, Professor (2011.3-present)

- Editorial board member of the journal, spin (2010-present)

- Director of National Creative Research Center for Spin Dynamics and Spin-Wave Devices, Seoul National University (2006.4-2015.3)

- Seoul National University, Associate professor (2006.4-2011.2)

- Seoul National University, Assistant professor (2002.1-2006.3)

- Korea Advanced Institute of Science and Technology, Department of Physics, Research Assistant Professor (2000.3-2001.12)

- Lawrence Berkeley National Laboratory, University of California at Berkeley, Post-doctoral Research Fellow (1996.10-2000.1)

- Pohang University of Science and Technology, Post-doctoral Researcher (1996.3-1996.9) 

Awards and Honors

Distinguished Scientific and technological Paper Award, The Korean Federation of Science and Technology (2018.07)

Hyeseul Leading Scientist Award, Korean Magnetics Society (2017.05)

Sinyang Engineering Research Award, Sinyang Cultural Foundation (2011.12)

Scientist of the Month, Korea Ministry of Science, ICT and Future Planning (2009.06)

The Korean Magnetics Society Academic Award, Korean Magnetics Society (2008.12)

Research Interests

1. Information storage and logic devices based on nano-magnetism

2. Magnetic nano-composites and their potential bio-applications

3. Magnetic skyrmion dynamics in three-dimensional nano-structures

4. Green-energy harvesting based on nano-magnets 

Selected Publications

"Wireless control of two- and three-dimensional actuations of kirigami patterns composed of magnetic-particles-polymer composites", ACS Nano 14. 17589 (2020)

"Dynamical origin of highly efficient energy dissipation in soft magnetic nanoparticles for magnetic hyperthermia applications", Phys. Rev. Applied 9, 054037 (2018) (Selected for Advances in Engineering)

"Magnetic microstructure of rolled-up single-layer ferromagnetic nanomembranes", Adv. Matter. 26, 316 (2014)

“Edge-soliton-mediated vortex-core reversal dynamics”, Phys. Rev. Lett. 106, 147201 (2011)

“Physical origin and generic control of magnonic band gaps of dipole-exchange spin waves in width-modulated-nanostrip waveguides” Phys. Rev. Lett. 102, 127202 (2009)

“A giga-hertz-range spin-wave filter composed of width-modulated nanostrip magnonic-crystal waveguides” Appl. Phy. Lett. 95, 082507 (2009) (Cover paper)

“Universal criterion and phase diagram for switching a magnetic vortex core in soft magnetic nanodots” Phys. Rev. Lett. 101, 267206 (2008)

“Dynamic Origin of Azimuthal Modes Splitting in Vortex-State Magnetic Dots” Phys. Rev. Lett. 101, 247203 (2008)

“Reliable low-power control of ultrafast vortex-core switching with the selectivity in arrays of vortex states by in-plane circular-rotational magnetic fields and spin-polarized currents” Appl. Phys. Lett. 92(2), 022509 (2008) (Cover paper)

“Dynamic Origin of Vortex Core Switching in Soft Magnetic  Nanodots” Phys. Rev. Lett. 100, 027203 (2008)

“Strong Radiation of Spin Waves by Core Reversal of a Magnetic Vortex and their Wave Behaviors in Magnetic Nanowire Waveguides” Phys. Rev. Lett. 98(8), 087205 (2007) (Nature Research Highlight, Vol. 446, issue 7131, page 5)

“Spin-wave interference” Appl. Phys. Lett. 89(6), 062501 (2006) (Cover paper)

"Vortex-antivortex assisted magnetization dynamics in a semi-continuous thin-film model system studied by micromagnetic simulations" Appl. Phys. Lett. 86, 052504 (2005) (Cover paper)

“Radiation of spin waves from magnetic vortex cores by their dynamic motion and annihilation processes” Appl. Phys. Lett. 87, 192502 (2005) (Cover paper)

"Modified Magnetism at a Buried Co/Pd Interface Resolved with X-ray Standing Waves," Phys. Rev. Lett. 86, 1347 (2001)

 - Summary of publications as of July, 2021 : having published 154 papers

 - including 11 paper in Scinetific Reports, 7 papers in Phys.Rev. Lett, 34 papers in Appl. Phys. Lett., 19 papers in Phys. Rev. B,  - and 49 papers in other highly ranked journals (most of them in SCI journals).

Academic Activities

 - APS March Meeting (March, 2011, Dallas, Texas, USA) : Invited Talk

 - 52nd MMM (November, 2007, Tempa, Florida, USA) : Invited Talk

 - 53rd MMM (November, 2008, Austin, Texas, USA) : Program Committee

 - IEEE Intermag 2009 (May, 2009, Sacramento, California, USA) : Program Committee

 - Joint European Magnetic Symposia (September,2008, Dublin, Ireland) : Session Chair & Invited Talk

 - IEEE MML07 (October, 2007, Perth, Australia) : Session Chair