Research Keywords
• Magnetism, spintronics, spin dynamics, rare-earth free magnet
Research Interests/Topics
• Rare-earth (free) magnetic materials • Spin dynamics on the nanoscale and mesoscale • Spintronic devices: magnetic random access memory, magnetic logic devices
Research Publications (selected)
• M.-Y. Im*, K.-S. Lee*, et al., “Stochastic formation of magnetic vortex structures in asymmetric disks triggered by chaotic dynamics” Nat. comm., 5:5620 (2015) • H. Jung, Y.-S. Choi, K.-S. Lee, et al., “Logic Operations Based on Magnetic-VortexState Networks” ACS Nano 6, 3712–3717 (2012). • K.-S. Lee, D.-S. Han, S.-K. Kim “Reply to comment on “Physical Origin and Generic Control of Magnonic Band Gaps of Dipole-Exchange Spin Waves in WidthModulated Nanostrip Waveguide “ Phys. Rev. Lett. 111, 149702 (2013) • K.-S. Lee, et al., “Edge-soliton-mediated vortex-core reversal dynamics”, Phys. Rev. Lett. 106, 147201 (2011) • M.-Y. Im*, P. Fischer, H.-S. Han, A. Vogel, M.-S. Jung, W. Chao, Y.-S. Yu, G. Meier, J.-I. Hong*, and K.-S. Lee*, “Simultaneous control of magnetic topologies for reconfigurable vortex arrays” NPG Asia Materials 9, 348 (2017) • S. Woo, K. M. Song, H.-S. Han, M.-S. Jung, M.-Y. Im, K.-S. Lee, K. S. Song, P. Fischer, J.-I. Hong, J. W. Choi, B. –C. Min, H. C. Koo & J. Chang, “Spin-orbit torque-driven skyrmion dynamics revealed by time-resolved X-ray microscopy” Nature communications 8:15573 (2017) • M.-S. Jang, I.-J. Roh, J. Park, W. J. Choi, S.-H. Baek, S. S. Park, J.-W. Yoo, K.-S. Lee*, “Dramatic Enhancement of the Saturation Magnetization of a Sol-Gel Synthesized Y3Fe5O12 by a Mechanical Pressing Process” J. Alloys & Comp., 711 693 (2017)
Patents (selected)
• S.-K. Kim, K.-S. Lee, Y.-S. Yu, “Method for read-out of information in magnetic recording element and method for read-out of information in magnetic random access memory” USA: 8094487 (2012) • S.-K. Kim, K.-S.Lee, S. Choi, “Method of generating strong spin waves and spin devices for ultra-high speed information processing using spin waves, USA, Japan, China (2012) • K.-S. Lee*, D.-H. Jung, H.-S. Han, and N.-K. Kim, “Skyrmion diode and its operating method” Korea Patent 10-1746698 (2017) • K.-S. Lee* and H.-S. Han “Method for reading of information in magnetic recording element using the static magnetic field” Korea Patent 10-1728508 (2017) • K.-S. Lee* and M.-S. Jang, “Studies of the high efficiency spin energy based on the spin current” Korea Patent 10-1650442 (2016)
Faculty Profiles
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