International Conferences
2023
Ultrahigh Power of Heat Generation Using MnFe2O4 Nanoparticles by Magnetization Resonance
2023 MML (2023.07. 27)
Yongsub Kim, Jae-Hyeok Lee, and Sang-Koog Kim (poster)
Nonlinear Chaotic Dynamics of Magnetic Vortices and Its Application to Brain-Inspired Stochastic Computing
2023 MML (2023.07.25)
Gyuyoung Park and Sang-Koog Kim (poster)
Field-Driven Nonlinear Chaotic Dynamics of Magnetic Skyrmions
2023 SCES (2023.07.05)
Gyuyoung Park and Sang-Koog Kim (poster)
Exploring Negative Refraction through Photon-Magnon Coupling
2023 Sol-SkyMag (2023.06.19)
Sang-Koog Kim (Invited talk)
Negative Refraction in a Photon-Magnon Hybrid
2023 MRS spring meeting (2023.04.14)
junyoung Kim, Bojong Kim, Bosung Kim, Haechan Jeon, and Sang-Koog Kim (Oral)
Ultrahigh heat-generation power in ferrite nanoparticles by magnetization resonance
2023 MRS spring meeting (2023.04.13)
Yongsub Kim, Jae-Hyeok Lee, and Sang-Koog Kim (Poster)
2020
Ultra-fast spin dynamics of nanoparticles for bio-applications
4th Conference on Nuclear Analytical Techniques (2020.12.12)
Sang-Koog Kim (Invited talk)
Optimizing machine learning models for nanocrystalline NdFeB magnets by very fast simulated annealing
2020 HyMap (2020.11.26)
Hyeon-Kyu Park, and Sang-Koog Kim
Ultra-high rate of temperature increment in resonant spin dynamics-excitation in superparamagnetic nanoparticles for highly efficient hyperthermia
2020 HyMap (2020.11.26)
Jae-Hyeok Lee, and Sang-Koog Kim
2019
Coupling of spin waves propagating along domain walls with magnetic vortex in thin-film nanostrip cross-structure
MMM 2019 (2019.11.07)
Hyeon-Kyu Park, and Sang-Koog Kim
Thermal intermixing effect on Gilbert damping of sputtergrown Pt/Ni80Fe20/Pt sandwich trilayers
MMM 2019 (2019.11.06)
Yongsub Kim, and Sang-Koog Kim
Abnormal anti-crossing dispersion in photon-magnon coupling
MMM 2019 (2019.11.05)
Biswanath Bhoi, and Sang-Koog Kim
Excitation of multiple spin-wave modes and their critical angles in a photon-magnon coupled system
SOL-SKYMAG 2019 (2019.06.25)
Bosung Kim, and Sang-Koog Kim
Dynamics of magnetic skyrmions in magnetic nanotubes
SOL-SKYMAG 2019 (2019.06.25)
Jaehak Yang, and Sang-Koog Kim
2018
Significantly enhanced magnon-photon coupling in an inverted split-ring resonator/thin film YIG hybrid system
JEMS 2018 (2018.09.06)
Bosung Kim, and Sang-Koog Kim
Dynamics of coupled breathing modes in one- and two-dimensional periodic skyrmion lattices
JEMS 2018 (2018.09.06)
Sang-Koog Kim
Finite-element micromagnetic simulation study of grain-easy axis alignment effect on the magnetization reversal process in exchange-decoupled NdFeB magnets
JEMS 2018 (2018.09.04)
Jae-Hyeok Lee, and Sang-Koog Kim
Hybridizing Ferromagnetic Magnons to Microwave Photons in planar hybrid Inverted split-ring resonator/YIG film
ICM 2018 (2018.07.19)
Sang-Koog Kim
Highly Efficient Energy dissipation in soft magnetic nanoparticles in single-domain state
ICM 2018 (2018.07.18)
Sang-Koog Kim
High Efficient Energy Dissipation in Soft Magnetic Nanoparticles in Single-Domain State
2018 MRS Spring Meeting & Exhibit (2018.04.05)
Sang-Koog Kim
Robust Magnon-Photon Coupling in Planar-Geometry Hybrid Consisting of Inverted Split-Ring Resonator and YIG Film
2018 MRS Spring Meeting & Exhibit (2018.04.05)
Sang-Koog Kim
2017
Spin-wave modes and domain-wall motions in soft magnetic nanotubes driven by circular-rotating magnetic fields
10th International Conference on Computational Physics (2017.01.17)
Sang-Koog Kim
2016
Coupled gyration modes in 1D skyrmion lattices as a new type of information carrier
International school on spintronics and spin-orbitronics (2016.12.16)
Junhoe Kim, and Sang-Koog Kim
Spin-wave modes and domain-wall motions in soft magnetic nanotubes driven by circular-rotating magnetic fields
JEMS 2016 (2016.08.23)
Sang-Koog Kim
Interaction between propagating spin waves and a skyrmion in perpendicularly magnetized nanostripes
JEMS 2016 (2016.08.23)
Sang-Koog Kim
Vortex-state nanoparticles for bio-imaging and magnetic hyperthermia
ICAUMS 2016 (2016.08.04)
Sang-Koog Kim
Coupled dynamic modes in one-dimensional periodic skyrmion arrays as reliable information carrier
SOL-SKYMAG 2016 (2016.06.29)
Junhoe Kim, and Sang-Koog Kim
Magnetization dynamic modes and associated domain-wall motions in soft magnetic nanotubes driven by resonant circular rotating magnetic fields
SOL-SKYMAG 2016 (2016.06.29)
Jaehak Yang, and Sang-Koog Kim
Size specific dynamics of vortex-state nanoparticles
SOL-SKYMAG 2016 (2016.06.29)
Sang-Koog Kim
2015
Coupled Gyrations in vortex-antivortex lattices
EMN 2015 (2015.12.10)
Sang-Koog Kim
Coupled core gyrations in one-dimensional vortex-antivortex lattices
INTERMAG 2015 (2015.05.15)
Myoung-Woo Yoo, Sang-Koog Kim
Self-assembled magnetic nanospherse with magnetic vortex
INTERMAG 2015 (2015.05.15)
Min-Kwan Kim, and Sang-Koog Kim
Azimuthal-spin-wave-mode-driven vortex-core reversal and its control by perpendicular magnetic field
INTERMAG 2015 (2015.05.12)
Myoung-Woo Yoo, Sang-Koog Kim
2014
Coupled vortex dynamics in vortex and vortex-antivortex lattices
MMM 2014 (2014.11.05)
Sang-Koog Kim
Size-specific resonant excitation of soft magneitc nano-spheres of three dimensional magneitc vortex
MMM 2014 (2014.11.05)
Myoung-Woo Yoo, Sang-Koog Kim
Dynamics of nanoscale soft magnetic spheres and half-spheres
ICAUMS 2014 (2014.10.30)
Sang-Koog Kim
Coupled vortex dynamics in one-dimensional vortex lattices
ICAUMS 2014 (2014.10.30)
Sang-Koog Kim
Interparticle interactions for assemblies of magnetic nanoparticles with three-dimensional magnetic vortex
18th International Microscopy Congress (2014.09.10)
Min-Kwan Kim, and Sang-Koog Kim
Skyrmion quasi-crystals in dynamic transient states in soft magnetic nano-disks
SKYRMAG 2014 (2014.04.09)
Junhoe Kim, and Sang-Koog Kim
2013
Control of the shape and size of soft magnetic nanoparticles with three-dimensional vortex structure
IUMRS-ICCA 2013 (2013.12.17)
Prasanta Dhak and Sang-Koog Kim
Magnonic crystals based on coupled vortex-core gyration
ISETS 2013 (2013.12.14)
Sang-Koog Kim
Size-dependent resonant excitation of magnetic nano-sphere particles of three-dimensional magnetic vortex
MMM 2013 (2013.11.07)
Jehyun Lee and Sang-Koog Kim
One-dimensional magnonic crystals of dipolar-coupled vortex lattices
MMM 2013 (2013.11.05)
Dong-Soo Han and Sang-Koog Kim
Reversal dynamics of single vortex core driven by azimuthal spin-wave-mode excitations in soft magnetic disk
MMM 2013 (2013.11.05)
Myoung-Woo Yoo and Sang-Koog Kim
Reversal dynamics of magnetic vortex cores by azimuthal spin wave excitation
Magnonics 2013 (2013.08.06)
Myoung-Woo Yoo and Sang-Koog Kim
Wave modes of collective vortex gyration in dipolar-coupled-dot-array magnonic
Magnonics 2013 (2013.08.06)
Dong-Soo Han and Sang-Koog Kim
Coupled vortex dynamics in trilayer disks of circular shape
Magnonics 2013 (2013.08.06)
Ahmad A. Awad and Sang-Koog Kim
Wave Modes of Collective Vortex Gyration in Dipolar coupled-dot-array Magnonic Crystals
Spin Phenomena conference-From model systems to complex matter 2013 (2013.04.05)
Dong-Soo Han and Sang-Koog Kim
2012
Magnonic crystals and possible logic gates
International Advanced School on Magnonics 2012 (2012.09.07)
Sang-Koog Kim
Vortex-Gyration-Mediated Magnonic Crystals
INTERMAG 2012 (2012.05.09)
Sang-Koog Kim
2011
Vortex-gyration-mediated information-signal transfer in vortex-state magnet networks
ICAMD 2011 (2011.12.09)
Sang-Koog Kim
Radial-spin-wave-mode-assisted vortex-core magnetization reversals
MMM 2011 (2011.11.13)
Myoung-Woo Yoo and Sang-Koog Kim
Dynamic role of coupled edge solitons in vortex-core magnetization reversals
MMM 2011 (2011.11.13)
Ki-Suk Lee and Sang-Koog Kim
Dynamics of normal modes of dipolar-coupled vortex gyration in two magnetic nanodisks
MMM 2011 (2011.11.13)
Ki-Suk Lee and Sang-Koog Kim
Reliable energy-efficient information recording by tailored orthogonal pulse currents in vortex-core cross-point architecture
MMM 2011 (2011.11.13)
Young-Sang Yu and Sang-Koog Kim
Collective vortex-gyration modes in magnonic cystals
MMM 2011 (2011.11.13)
Dong-Soo Han and Sang-Koog Kim
Tunable negligible-loss energy transfer between dipolar-coupled magnetic disks by stimulated vortex gyration
MMM 2011 (2011.11.13)
Hyunsung Jung and Sang-Koog Kim
Magnetic Switching Behaviors of Ferromagnetic Rolled-up Nanotubes
MMM 2011 (2011.11.13)
Jehyun Lee and Sang-Koog Kim
Vortex-gyration-mediated information-signal transfer in one-dinemsional arrats of soft magnetic nanodots
Optics and Photonics 2011 (2011.08.25)
Sang-Koog Kim
Edge-soliton-mediated vortex-core reversal dynamics
Moscow International Symposium on Magnetism 2011 (2011.08.25)
Ki-Suk Lee and Sang-Koog Kim
Energy transfer between dipolar-coupled magnetic disks by stimulated vortex gyration
Mangnonics 2011 (2011.08.10)
Hyunsung Jung and Sang-Koog Kim
Vortex gyratons in magnonic cystals of dipolar coupled magnetic nanodisks
Mangnonics 2011 (2011.08.10)
Dong-Soo Han and Sang-Koog Kim
Vortex gyratons in magnonic cystals of dipolar coupled magnetic nanodisks
Mangnonics 2011 (2011.08.10)
Dong-Soo Han and Sang-Koog Kim
Vortex-Core Reversal Dynamics: Towards Vortex Random Access Memory
APS 2011 (2011.03.25)
Sang-Koog Kim
2010
Effect of Circular Groove-Type Defect in Nanodisks on Vortex Oscillations
ICAUMS 2010 (2010.12.08)
Jae Hyung Lee and Sang-Koog Kim
Switching of Vortex Fourfold Ground States by Out-of-plane Pulse Currents
ICAUMS 2010 (2010.12.08)
Yun Suk Choi and Sang-Koog Kim
Snell’s Law and for in Restricted Geometry
ICAUMS 2010 (2010.12.08)
Dae Eun Jeong and Sang-Koog Kim
Time-resolved Soft x-ray Microscope Study of Dipolar-induced Vortex Gyrations in Coupled Vortex Oscillators
ICAUMS 2010 (2010.12.08)
Hyunsung Jung and Sang-Koog Kim
Ordered Double Perovskite Sr2FeRuO6 Grown by Alternating Deposition of SrRuO3 and SrFeO3
ICAUMS 2010 (2010.12.08)
Jaewan Jang and Sang-Koog Kim
Optimizing Orthogonal Unipolar Gaussian-pulse Field Parameters for Energy-efficient, Coreorientation Selective Vortex-core Switching
ICAUMS 2010 (2010.12.08)
Ki-Suk Lee and Sang-Koog Kim
Reversal Dynamics of Magnetic Vortex Polarization in Soft Magnetic Nanodots Under Perpendicular Magnetic Fields
ICAUMS 2010 (2010.12.08)
Myung Woo Yoo and Sang-Koog Kim
Domain Wall Motions Driven by Propagating Spin Waves
ICAUMS 2010 (2010.12.08)
Dong Su Han and Sang-Koog Kim
Vortex-core switching time: phase diagram on driving force parameters
MMM 2010 (2010.11.18)
Ki-Suk Lee and Sang-Koog Kim
Reversal dynamics of magnetic vortex polarization in soft magnetic nanodots under perpendicular magnetic fields
MMM 2010 (2010.11.18)
Myung Woo Yoo and Sang-Koog Kim
Refractive index and Snell’s law for dipole-exchange spin waves
MMM 2010 (2010.11.18)
Dae Eun Jeong and Sang-Koog Kim
Unipolar Gaussian-Pulse Current Driven Vortex Core Switching in Cross-Point Architecture
MMM 2010 (2010.11.18)
Young-Sang Yu and Sang-Koog Kim
Exploring underlying physics of edge-soliton mediated vortexcore switching dynamics
MMM 2010 (2010.11.18)
Ki-Suk Lee and Sang-Koog Kim
Dipolar-induced vortex gyrations in coupled vortex oscillators studied by a time-resolved soft x-ray microscope
MMM 2010 (2010.11.18)
Hyunsung Jung and Sang-Koog Kim
Lower-Power Consumption And Nonvolatile Vortex-Core Random Acess Memory
2010 IEEE 7th International Symposium on Metallic Multilayers (2010.09.24)
Young-Sang Yu and Sang-Koog Kim
Vortex coupling in arrays of ferromagnetic disks
Joint MMM/Intermag Conference 2010 (2010.01.22)
A.Vogel and Sang-Koog Kim
Time-resolved X-ray microscopy of ac-field-driven coupled magnetic vortices
Joint MMM/Intermag Conference 2010 (2010.01.22)
M.Bolte and Sang-Koog Kim
Width-modulated nanostrip magnonic-crystal waveguides.
Joint MMM/Intermag Conference 2010 (2010.01.22)
Dong Su Han and Sang-Koog Kim
Dipolar-interaction induced vortex gyrations in coupled vortex oscillators
Joint MMM/Intermag Conference 2010 (2010.01.22)
Hyunsung Jung and Sang-Koog Kim
2009
Phase diagrams for vortex-core switching threshold field and switching time
INTERMAG 2009 (2009.04.13)
Ki-Suk Lee and Sang-Koog Kim
Refractive index and Snell Law for Dipolar-Exchange Spin Waves in a Confined Planar Structure
INTERMAG 2009 (2009.04.13)
Dae Eun Jeong and Sang-Koog Kim
Magnetic vortex oscillators driven by spin-polarized out-of-plane dc current
INTERMAG 2009 (2009.04.13)
Yoon Suk Choi and Sang-Koog Kim
Magnetic domain wall movements by interaction with propagating spin waves
INTERMAG 2009 (2009.04.13)
Dong Su Han and Sang-Koog Kim
Giant asymmetric soft x-ray magnetic scattering between opposite circular polarizations near the Brewster angle
MRS 2009 (2009.04.13)
Dae Eun Jeong and Sang-Koog Kim
Universal criterion and phase diagram for switching a magnetic vortex core in soft magnetic nanodots
MRS 2009 (2009.04.13)
Ki-Suk Lee and Sang-Koog Kim
Magnonic-Crystal Waveguides Applicable for Broad-Band Microwave Spin-Wave Filter
MRS 2009 (2009.04.13)
Ki-Suk Lee and Sang-Koog Kim
Controlling vortex-core oscillations by spin-polarized out-of-plane dc current
MRS 2009 (2009.04.13)
Yoon Suk Choi and Sang-Koog Kim
2008
Anomalous growth-mode transition during the initial growth of epitaxial SrRuO3 films on single-terminated SrTiO3 (111)
MMM 2008 (2008.11.10)
Jae Wan Jang and Sang-Koog Kim
Energy band and band gap engineering of dipole-exchange spin wave modes in nanostripe magnonic crystals by nanostripe-width modulation
MMM 2008 (2008.11.10)
Ki-Suk Lee and Sang-Koog Kim
Universal criterion for vortex-core reversal in soft magnetic nanodots: Critical velocity of vortex gyrotropic motion
MMM 2008 (2008.11.10)
Ki-Suk Lee and Sang-Koog Kim
Critical vortex core size required for nucleation of stable vortex or antivortex during domain wall motion in magnetic thin-film nanostripes
MMM 2008 (2008.11.10)
Youn-Seok Choi and Sang-Koog Kim
Vortex random access memory (VRAM) as new MRAM scheme
MMM 2008 (2008.11.10)
Sang-Koog Kim
Giant Asymmetry in Reflectivity from Magnetic Thin Films near Critical Incidence Angle between Opposite Circular Polarizations
MMM 2008 (2008.11.10)
Dae Eun Jeong and Sang-Koog Kim
Magnetic field- and spin-polarized current- driven gyrotropic motion of a magnetic vortex in magnetic nanoelements and the oppositely rotating eigenmodes
JEMS 2008 (2008.09.14)
Ki-Suk Lee and Sang-Koog Kim
Vortex-core reversal dynamics : From fundamentals to applications
JEMS 2008 (2008.09.14)
Sang-Koog Kim
Novel dynamic properties of magnetic vortex in soft magnetic nanodots
Gordon Research Conferences 2008 (2008.08.31)
Sang-Koog Kim
Linear and nonlinear dynamics of the gyrotrooic motion of a magnetic vortex in ferroagnetic nanodots
IEEE Internatinoal Magnetic Conference 2008 (2008.05.04)
Dae Eun Jeong and Sang-Koog Kim
Elementary Eigenmodes of Magnetic Vortex Gyrotropic Motions in Magnetic Nanoelements
IEEE Internatinoal Magnetic Conference 2008 (2008.05.04)
Ki-Suk Lee and Sang-Koog Kim
Dynamics of domain walls in soft magnetic nanostipes: soliton approach
IEEE International Magnetic Conference 2008 (2008.05.04)
K. Yu. Guslienko and Sang-Koog Kim
Dynamic splitting of azimuthal spin wave modes in circular magnetic dot in vortex ground state
IEEE International Magnetic Conference 2008 (2008.05.04)
K. Yu. Guslienko and Sang-Koog Kim
2007
Universal criteria of vortex core switching in ferromagnetic nanodots
MMM 2007 (2007.11.09)
Ki-Suk Lee and Sang-Koog Kim
Elementary circular eigenmotions of a magnetic vortex core in linear regime
MMM 2007 (2007.11.09)
Ki-Suk Lee and Sang-Koog Kim
Dynamics of moving magnetic solitons in soft magnetic nanostripes
MMM 2007 (2007.11.09)
Jun-Young Lee and Sang-Koog Kim
Vortex dynamics in ferromagnetic nanodots
IEEE MML 2007 (2007.10.19)
Ki-Suk Lee and Sang-Koog Kim
Domain wall dynamics in ferromagnetic nanostripes
IEEE MML 2007 (2007.10.19)
Jun-Young Lee and Sang-Koog Kim
Vortex State Stability and Dynamics in Submicron Ferromagnetic Dots
ICNM 2007 (2007.06.29)
Konstantin Yu. Guslienko and Sang-Koog Kim
Phase controls of spinwaves traveling along magnetic nanowires using the Oersted fields
10th Joint MMM/Intermag Conference (2007.01.11)
Ki-Suk Lee and Sang-Koog Kim
Optical production of any orthogonal states of the linear and circular polarization modes in the soft x-ray ranges using a simple magnetic thin-film structure fields
10th Joint MMM/Intermag Conference (2007.01.11)
Dae Eun Jung and Sang-Koog Kim
Various-type oscillatory transitions of magnetic domain walls during their dynamic motion in ferromagnetic nanowires
10th Joint MMM/Intermag Conference (2007.01.11)
Jun-Young Lee and Sang-Koog Kim
Reflection and refraction of dipole-exchange spin waves
10th Joint MMM/Intermag Conference (2007.01.11)
Sangkook Choi and Sang-Koog Kim
2006
Wave properties of spin waves in confined magnetic thin films
Gordon Research Conference Magnetic Nanostructures 2006 (2006.08.31)
Sangkook Choi and Sang-Koog Kim
Spin-wave radiation from a magnetic vortex core and its wave behaviors in confined magnetic structures
IEEE Internatinoal Magnetic Conference 2006 (2006.05.12)
Sangkook Choi and Sang-Koog Kim