Papers & Books

Tuning photon-magnon coupling and magnon damping in a nonuniform rf field by rotating external magnetic field

(submitted)

Jintao Shuai, Bojong Kim, Junyoung Kim, Rutvij Bhavsar, Sang-Koog Kim*

Thin, Broadband Microwave Absorbers Based on Co-Zn Co-Substituted SrW-Type Hexaferrites for 5G Communications

(submitted)

Hyuk-Jin Seo, Seung-Min Choi, Sang-Im Yoo*, Sang-Koog Kim*

Perpendicular Standing Spin Waves in AuPT/GdFeCo Induced by Spin-Orbit Torques: Central Role of Antioxidant Ta Barrier

(submitted)

Deok Hyun Yun1, Seung-Hun Jang1, Byun-Jun Hwang, Ki-Hyun Han, Young-Jun Nah, Yongjin Kim, Min-Gu Kang, Hyun Cheol Koo, Sang-Koog Kim*, OukJae Lee*, and Younghak Kim*

Exceptional Field-Like Spin-Orbit Torques in Pd/Co Heterostructures Enabled by Interfacial Spin-Orbit Coupling

ACS Applied Electronic Materials (accepted)

Seung-Hun Jang, Gyuyoung Park, Deok Hyun Yun, Hyun Cheol Koo, Sang-Koog Kim* and OukJae Lee*

Negative Refractive Index enabled by Anti-Parity-Time Symmetry in a Coupled Photon-Magnon Hybrid System

(submitted)

Junyoung Kim, Bojong Kim, Sang-Koog Kim

Ultrathin Zn-substituted SrW-type hexaferrite/acrylic composites for high-performance microwave absorption near 28 GHz

(submitted)

Hyuk-Jin Seo, Seung-Min Choi, Sang-Im Yoo*, Sang-Koog Kim*

Spin-Orbit Coupling Effect on Spin-to-Lattice Energy Conversion at Ferromagnetic Resonance in Ferrite Nanoparticles

(submitted)

Yongsub Kim, Hyun An, and Sang-Koog Kim

10-Nodes Time Delay-based Reservoir Computing Using Transient Photon-Magnon Coupling

(submitted)

Haechan Jeon, Loic Millet, Bojong Kim, and Sang-Koog Kim

Traveling-Wave-Induced Nonreciprocal Absorption and Zero Reflection in Physically Separated Dual Photonic Resonators 

IEEE Transactions on Microwave Theory and Techniques 73(2), 1195-1202 (2025)

Bojong Kim, Junyoung Kim, Hae-Chan Jeon, and Sang-Koog Kim

Magnetic-Field-Controllable Elasticity of Helical Spring Magnets Composed of Magnetic-Particle-Polymer Composites 

Smart Materials and Structures 33, 115006 (2024)

Hyun An, Ji-Yeol Yoon, Yongsub Kim, and Sang-Koog Kim

Dual-Crosslinked Superparamagnetic Hydrogels: Tailoring Viscoelasticity through Dynamic Structural Evolution for Soft Robotics

ACS Applied Nano Materials 7(15), 17482-17492 (2024)

Saurabh Pathak, Hyun An, and Sang-Koog Kim

Reconfigurable all-in-one chaotic computing with skyrmions: Leveraging periodic modulations of perpendicular magnetic anisotropy

Physical Review B 109, 174420 (2024)

Gyuyoung Park and Sang-Koog Kim

Anomalous coherent and dissipative coupling in dual photon-magnon hybrid resonators

Scientific Reports 14, 13581 (2024)

Haechan Jeon, Bojong Kim, Junyoung Kim, and Sang-Koog Kim

Rapid Millisecond Heating via Ferromagnetic Resonance in MnFe2O4 nanoparticles

Applied Physics Letters 124, 112414 (2024)

Yongsub Kim, Jae-Hyeok Lee, Rajni Verma, and Sang-Koog Kim 

Multifaceted Properties of TiO2 Nanoparticles Synthesized via Mangifera indica and Azadirachta indica Plant Extracts: Antimicrobial, Antioxidant, and Non-linear Optical Investigations for Sustainable Agriculture Applications

Materials Advances 5, 2767-2784 (2024) 

Archana Rana,   Saurabh Pathak,   Kapil Kumar,   Anjali Kumari,   Samridhi Chopra,   Mahesh Kumar,   Deeba Kamil,   Ritu Srivastava,   Sang-Koog Kim, Rajni Verma,  and  Shailesh Narain Sharma 

• Advance Article (selected as back cover article)

Tailored Nanoparticles for Magnetic Hyperthermia: Highly Stable Aqueous Dispersion of Mn-Substituted Magnetite Superparamagnetic Nanoparticles by Double Surfactant Coating for Improved Heating Efficiency

Journal of Alloys and Compounds 976, 172999 (2024)

Arjun Singh, Prashant Kumar, Saurabh Pathak, Komal Jain, Parul Garg, Megha Pant, Ajit K. Mahapatro, Rajesh Kumar Singh, Preasha Rajput, Sang-Koog Kim, K. K. Maurya,and R.P. Pant

Magnetically actuated trigger transient soft actuators comprising on-demand photo-degradable polypropylene carbonate/photo-acid generator composites

ACS Appl. Mater. Interfaces 16(10), 13139-13149 (2024)

Min-Ha Oh, Young-Hwan Kim, Yongsub Kim,  Daewhan Kim,  Kyung-Sub Kim,  Sang-Koog Kim, Min Sang Kwon,  Sang Yup Kim,  Seung-Kyun Kang

Room-Temperature Exchange Bias and Training Effect in Co/IrMn3 Thin Films with Varying Co Layer Thicknesses

Journal of Magnetics 28(4), 339-346 (2023)

Sunghyuk Song, Yongsub Kim, and Sang-Koog Kim

A threefold increase in SAR performance for magnetic hyperthermia by compositional tuning in zinc-substituted iron oxide superparamagnetic nanoparticles with superior biocompatibility

Journal of Alloys and Compounds, 968, 15 (2023)

Arjun Singh, Prashant Kumar, Saurabh Pathak, Komal Jain, Parul Garg, Megha Pant, Ajit K. Mahapatro, Dharitri Rath, Lan Wang, Sang-Koog Kim, K.K. Maurya, R.P. Pant

Magnetization Reversals in Magnetosome Linear-Chain Assemblies Extracte from Magnetotactic Bacteria: An Experimental and Micromagnetic Simulation Study

Journal of Materials Chemistry C, 11, 9794-9803 (2023)

Gyuyoung Park, Hyeonah Jo, Yeonju Oh, Saurabh Pathak, and Sang-Koog Kim

• selected as "outside front cover" article

• themed as "Journal of Materials Chemistry C HOT Papers"

Novel Applications of Magnetically Controllable Fluids in Energy Harvesting, Sensing, and Thermal Applications

Material Aspects of Ferrofluids 1st edition, CRC press, 30, 184-213 (2023).

Saurabh Pathak, Bishakhdatta Gayen, Vinod Kumar, Xu Wang, Sang-Koog Kim and R.P. Pant

Recent Advancements in Plant- and Microbe-Mediated Synthesis of Metal and Metal Oxide Nanomaterials and their Emerging Antimicrobial Applications

ACS Applied Nano Materials 6, 10, 8106–8134 (2023).

Rana, A.; Pathak, S.; Lim, D-K; Sang-Koog Kim, Srivastava, R., Sharma, S., and Verma, R.

Correlating the dipolar interactions induced magneto-viscoelasticity and thermal conductivity enhancements in Nanomagnetic fluids

Small, 19(39), 2205741 (2023)

Singh, R, Pathak, S., Jain, K., Noorjahan, and Sang-Koog Kim

Remote Magnetic-field-actuated Helical Spring Magnets: Micromagnetic Simulation and Analytical Modeling

Journal of Science: Advanced Materials and Devices, 8, 1, 100530 (2022)

Jejune Lee, Saurabh Pathak, Hyun An, and Sang-Koog Kim

Coupling-induced transparency and absorption in a magnon-multiphoton hybrid system

Journal of Applied Physics 132, 243901 (2022)

Biswanath Bhoi, Bosung Kim, Hae-Chan Jeon, and Sang-Koog Kim

Observation of intrinsic fluorescence in cobalt ferrite magnetic nanoparticles by Mn2+substitution and tuning the spin dynamics by cation distribution

Journal of Materials Chemistry C 10, 12652 (2022)

Prashant Kumar, Saurabh Pathak, Arjun Singh, Komal Jain, H. Khanduri, Lan Wang, Sang-Koog Kim and R. P. Pant

• themed as "Journal of Materials Chemistry C HOT Papers"

Highly efficient heat-dissipation power driven by ferromagnetic resonance in ferrite nanoparticles

Scientific Reports 12, 5232 (2022)

Jae-Hyeok Lee, Yongsub Kim, and Sang-Koog Kim

Robust finite-temperature magnetization dynamics in ferrimagnetic Gdx(FeCo)1-x (x = 0 ~ 0.44) nanospheres across angular-momentum and magnetization compensation points: An atomistic model simulation

Journal of Magnetism and Magnetic Materials 542,168583 (2022)

Jaegun Sim, Jae-hyeok Lee and Sang-Koog Kim 

Reservoir computing using photon-magnon coupling 

Applied Physics Letters 119, 182405 (2021)

Loïc Millet, Haechan Jeon, Bosung Kim, Biswanath Bhoi, and Sang-Koog Kim 

Macroscopic-scale periodic arrays of partially spherical magnetic nanodots fabricated by pulsed-laser-induced dewetting

Journal of Physical Chemistry C 125, 32, 18071–18076 (2021)

Jae-Hyeok Lee, and Sang-Koog Kim

Conceptual design of demultiplexer using coupled-gyration-mode signals in vortex-state disk arrays

Journal of Applied Physics 130, 013901 (2021) 

Young-Jun Cho, Bosung Kim, and Sang-Koog Kim

Charge-transfer-induced 2D ferromagnetism and realization of thermo-remnant memory effect in ultrathin β-NiOOH-encapsulated graphene 

Nanotechnology 32, 38 (2021)

Shatabda Bhattacharya, Woojin Choi, Antara Ghosh, Sungwoo Lee, Gun-Do Lee, and Sang-Koog Kim 

Robust formation of  skyrmion and skyrmionium in magnetic hemispherical shells and their dynamic switching

Physical Review B 104, 134427 (2021)

Jaehak Yang, Hyeon-Kyu Park, Gyuyoung Park, Class Abert, Dieter Suess, and Sang-Koog Kim

Recursive evolution of spin-wave multiplets in magnonic crystals of antidot-lattice fractals

Scientific Reports 11, 22604 (2021)

Gyuyoung Park, Jaehak Yang, and Sang-Koog Kim 

Channeling of spin waves in antiferromagnetic domain walls 

Physical Review B 103, 214420 (2021)

Hyeon-Kyu Park and Sang-Koog Kim 

Ultra-high rate of temperature increment from superparamagnetic nanoparticles for highly efficient hyperthermia  

Scientific Reports 11, 4969 (2021)  

Jae-Hyeok Lee, Bosung Kim, Yongsub Kim, and Sang-Koog Kim  

Broadband photon-magnon coupling using arrays of photon resonators

Journal of Applied Physics 129, 083904 (2021) 

Biswanath Bhoi, Seung-Hun Jang, Bosung Kim, and Sang-Koog Kim  

Optimizing machine learning models for granular NdFeB magnets by very fast simulated annealing 

Scientific Reports 11, 3792 (2021) 

Hyeon-Kyu Park, Jae-Hyeok Lee, Jehyun Lee, and Sang-Koog Kim 

Intrinsic DMI-free skyrmion formation and robust dynamic behaviors in magnetic hemispherical shells   

Scientific Reports 11, 3886 (2021)  

Jaehak Yang, Claas Abert, Dieter Suess, and Sang-Koog Kim 

Wireless Control of Two- and Three-Dimensional Actuations of Kirigami Patterns Compsed of Magnetic-Particles-Polymer Composites    

ACS Nano 14, 17589 (2020)  

Trivoramai Jiralespong, Geonhee Bae, Jae-Hyeok Lee, Sang-Koog Kim  

Roadmap for photon-magnon coupling and its applications    

R.L. Stamps (Eds.), Solid State Physics, vol. 71, Academic Press, 2020, pp. 39-63 (Chapter two) 

Biswanath Bhoi and Sang-Koog Kim  

https://www.sciencedirect.com/science/article/pii/S0081194720300047 

Annealing effect of sputter-grown Pt/Ni80Fe20/Pt sandwich trilayer films on Gilbert damping 

J. Appl. Phys. 128, 223901 (2020) 

Yongsub Kim, Bosung Kim, Biswanath Bhoi, Youg Hee Lee, Young-Woon Kim, and Sang-Koog Kim 

Conceptual design of magnonic majority-logic gate based on channeling of spin waves in domain walls 

J. Appl. Phys. 128, 163901 (2020)   

Hyeon-Kyu Park, Jong-Hyuk Lee, and Sang-Koog Kim 

Stability of skyrmion formation and its abnormal dynamic modes in magnetic nanotubes 

Phys. Rev. B 102, 094439 (2020)    

Jaehak Yang, Junhoe Kim, Claas Abert, Dieter Suess, and Sang-Koog Kim 

Fabrication, Structure, and Magnetic Properites of Pure-Phase BiFeO3 and MnFe2O4 Nanoparticles and their Nanocomposites 

Journal of Magnetics 25(2), 140-149 (2020)    

Inna Yusnila Khairani, Anindityo Nugra Arifiadi, Jae-Hyeok Lee, Biswanath Bhoi, Sandeep Kumar Singh Patel, Sang-koog Kim  

Interaction of spin waves propagating along narrow domain walls with a magnetic vortex in a thin-film-nanostrip cross-structure

J. Appl. Phys. 127, 183906 (2020)    

Hyeon-Kyu Park, Jong-Hyuk Lee, Jaehak Yang, and Sang-Koog Kim 

Photon-Magnon Coupling: Historical Perspective, Status, and Future Direction  

"Recent Advances in Topological Ferroics and their Dynamics"

R.L. Stamps, H. Schultheib (Eds.), Solid State Physics, vol. 70, Academic Press, 2019, pp. 1-77 (Chapter one)

Biswanath Bhoi and Sangkoog Kim 

https://authors.elsevier.com/b/1c3REITYUTWmF 

Spin-wave excitation and critical angles in a hybrid photon-magnon-coupled system  

J. Appl. Phys. 126, 163902 

Bosung Kim, Biswanath Bhoi and Sangkoog Kim 

* Selected as a featured article 

Structural and magnetic properties of Gd-Ni-Co-doped BiFeO3 nanoparticles   

J. Magnetics 24(3), 371-378 (2019) 

Sandeep Kumar Singh Patel, Jae-Hyeok Lee, Min-Kwan Kim and Sang-Koog Kim

Reset-set latch logic operation using vortex-gyration-coupled modes and its driven switching in magnetic-dot networks: A micromagnetic simulation study

AIP Advances 9, 055028 (2019) 

Young-Jun Cho and Sang-Koog Kim 

Effect of misalignments of individual grains’ easy axis on magnetization-reversal process in granular NdFeB magnets: A finite-element micromagnetic simulation study 

J. Magn. Magn. Mater. 486, 165257 (2019)  

Sang-Koog Kim, Shinwon Hwang, and Jae-Hyeok Lee 

Abnormal anticrossing effect in photon-magnon coupling 

Physical Review B 99, 134426 (2019)  

Biswanath Bhoi, Bosung Kim, Seung-Hun Jang, Junhoe Kim, Jaehak Yang and Sangkoog Kim 

* Selected as Editor's Suggestion 

Tunable specific-loss power of magnetic nano-spheres in vortex state for high-efficiency hyperthermia bio-applications: A theoretical and simulation study 

J. Appl. Phys. 125, 063901 (2019)  

Min-Kwan Kim, Jaegun Sim, Jae-Hyeok Lee, and Sang-Koog Kim  

* Chosen as Editor's pick 

Spin-wave duplexer studied by finite-element micromagnetic simulation 

Sci. Rep. 8, 16511 (2018) 

Sang-Koog Kim, Hyeon-Kyu Park, Jaehak Yang, Junhoe Kim, and Myoung-Woo Yoo   

Hetero-interface effect on Gilbert damping in nonmagnetic metal/permalloy/nonmagnetic metal trilayers 

J. Magn. Magn. Mater. 465, 399–405 (2018)  

Bosung Kim, Young-Jun Cho, Biswanath Bhoi, Seung-Young Park, and Sang-Koog Kim 

Stress-induced magnetic properties of PLD-grown high-quality ultrathin YIG films

J. Appl. Phys. 123, 203902 (2018)   

Biswanath Bhoi, Bosung Kim, Yongsub Kim, Min-Kwan Kim, Jae-Hyeok Lee, and Sang-Koog Kim

* Selected as the cover of the 28 May 2018 issue    

Dynamical origin of highly efficient energy dissipation in soft magnetic nanoparticles for magnetic hyperthermia applications 

Phys. Rev. Applied 9, 054037 (2018) 

Min-Kwan Kim, Jaegun Sim, Jae-Hyeok Lee, Miyoung Kim, and Sang-Koog Kim

* Selected for Advances in Engineering 

Coupled breathing modes in one-dimensional Skyrmion lattices

Journal of Applied Physics 123, 053903 (2018)

Junhoe Kim, Jaehak Yang, Young-Jun Cho, Bosung Kim, and Sang-Koog Kim 

Min-Kwan Kim, Jaegun Sim, Jae-Hyeok Lee, and Sang-Koog Kim  

Vortex-chirality-dependent standing spin-wave modes in soft magnetic nanotubes 

J. Appl. Phys. 123, 033901 (2018) 

Jaehak Yang, Junhoe Kim, Bosung Kim, Young-Jun Cho, Jae-Hyeok Lee, and Sang-Koog Kim  

Single-crystalline Gd-doped BiFeO3 nanowires: R3c-to-Pn21a phase transition and enhancement in high-coercivity ferromagnetism  

J. Mater. Chem. C. 6, 526 (2018)  

Sandeep Kumar Singh Patel, Jae-Hyeok Lee,  Min-Kwan Kim,  Biswanath Bhoi  and  Sang-Koog Kim

Effects of Isovalent Substitution on Structural and Magnetic Properties of Nanocrystalline Y3-xGdxFe5O12 (0 ≤ x ≤ 3) Garnets

J. Magn.  Magn.  Mater. 452, 48 (2018)

Sandeep Kumar Singh Patel, Jae-Hyeok Lee, Biswanath Bhoi, Jung Tae Lim, Chul Sung Kim and Sang-Koog Kim  

Nutation-like-mode excitation of coupled vortex cores in magnetic spherical shells 

J. Appl. Phys. 122, 233903 (2017) 

Jae-Hyeok Lee, Junhoe Kim, Min-Kwan Kim, Jaegun Sim, and Sang-Koog Kim   

Robust magnon-photon coupling in a planar-geometry hybrid of inverted split-ring resonator and YIG film 

Sci. Rep. 7,11930 (2017) 

Biswanath Bhoi, Bosung Kim, Junhoe Kim, Young-Jun Cho and Sang-Koog Kim   

Magnetization reversal mechanism and coercivity enhancement in three-dimensional granular Nd-Fe-B magnets studied by micromagnetic simulations

J. Appl. Phys. 122, 073901 (2017) 

Jae-Hyeok Lee, Jinhyeok Choe, Shinwon Hwang and Sang-Koog Kim 

Magnetic-vortex Dynamic Quasi-crystal Formation in Soft Magnetic Nano-disks 

J. Magnetics 22(1), 29-33 (2017) 

Junhoe Kim and Sang-Koog Kim

* Selected as the cover of the 31 March 2017 issue 

Coupled gyration modes in onedimensional skyrmion arrays in thin-film nanostrips 

as new type of information carrier

Sci. Rep. 7, 45185 (2017) 

Junhoe Kim, Jaehak Yang, Young-Jun Cho, Bosung Kim, and Sang-Koog Kim 

Linear-chain assemblies of iron oxide nanoparticles 

J. Magn.  Magn.  Mater. 433, 47 (2017) 

Prasanta Dhak, Min-Kwan Kim, Jae Hyeok Lee, Miyoung Kim, and Sang-Koog Kim 

Resonant vortex-core reversal in magnetic nano-spheres as robust mechanism 

of efficient energy absorption and emission

Sci. Rep. 6, 31513 (2016) 

Sang-Koog. Kim, Myoung-Woo Yoo, Jehyun Lee, Jae-Hyeok Lee, and Min-Kwan Kim  

Characteristic dynamic modes and domain-wall motion in magnetic nanotubes excited by resonant rotating magnetic fields  

Physical Review B 94, 024425 (2016)  

Jaehak Yang, Junhoe Kim, Bosung Kim, Young-Jun Cho, Jae-Hyeok Lee, and Sang-Koog Kim 

Hydrothermal synthesis, structural analysis and room-temperature ferromagnetism of Y2O3:Co2+nanorods 

J. Magn.  Magn.  Mater. 408, 67 (2016) 

Prasanta Dhak, Sandeep K.S. Patel, Min-Kwan Kim, Jae-Hyeok Lee, Miyoung Kim, and Sang-Koog Kim 

Structural and magnetic properties of Co-doped Gd2O3 nanorods 

J. Magn.  Magn.  Mater. 403, 155 (2016) 

Sandeep K.S. Patel, Prasanta Dhak, Min-Kwan Kim, Jae-Hyeok Lee, Miyoung Kim, and Sang-Koog Kim

Spin-wave driven high-speed domain-wall motions in soft magnetic nanotubes 

J. Appl. Phys. 118, 163902 (2015) 

Jaehak Yang, Myoung-Woo Yoo and Sang-Koog Kim  

Resonantly excited precession motion of three-dimensional vortex core in magnetic nanospheres

Sci. Rep. 5, 11370 (2015)  

Sang-Koog Kim, Myoung-Woo Yoo, Jehyun Lee, Ha-Youn Lee, Jae-Hyeok Lee, Yuri Gaididei, Volodymyr P. Kravchuk & Denis D. Sheka  

Curved geometrical confinement effect on vortex-state in magnetic half-spheres 

Appl. Phys. Express 8, 063003 (2015) 

Myoung-Woo Yoo and Sang-Koog Kim 

Temperature effect on vortex-core reversals in magnetic nanodots 

J. Appl. Phys. 117, 173910 (2015) 

Bosung Kim, Myoung-Woo Yoo, Jehyun Lee, and Sang-Koog Kim 

Perpendicular-bias-field control of coupled-vortex oscillations in nanodot networks 

J. Appl. Phys. 117, 083910 (2015)  

Dong-Soo Han, Young-Jun Cho, Han-Byeol Jung and Sang-Koog Kim 

Azimuthal-spin-wave-mode-driven vortex-core reversals 

J. Appl. Phys. 117, 023904 (2015).

Myoung-Woo Yoo and Sang-Koog Kim  

Excited eigenmodes in magnetic vortex states of soft magnetic half-spheres and spherical caps  

J. Appl. Phys. 116, 223902 (2014).

Myoung-Woo Yoo, Jae-Hyeok Lee and Sang-Koog Kim 

Self-assembled magnetic nanospheres with three-dimensional magnetic vortex 

Appl. Phys. Lett. 105 , 232402 (2014). 

Min-Kwan Kim, Prasanta Dhak, Ha-Youn Lee, Jae-Hyeok Lee, Myoung-Woo Yoo, Jehyun Lee,Kyoungsuk Jin, Arim Chu, 

Ki Tae Nam, Hyun Soon Park, Shinji Aizawa, Toshiaki Tanigaki,Daisuke Shindo, Miyoung Kim and Sang-Koog Kim 

Enhanced gyration-signal propagation speed in one-dimensional vortex-antivortex 

lattices and its control by perpendicular bias field  

Appl. Phys. Lett 105, 222410 (2014). 

Han-Byeol Jeong and Sang-Koog Kim 

Magnetic Microstructure of Rolled-Up Single-Layer Ferromagnetic Nanomembranes 

Adv. Mater. 2014, DOI: 10.1002/adma.201303003

Volume 26, Issue 2, pages 316-323, January 15, 2014 .

Robert Streube, Jehyun Lee, Denys Makarov, Mi-Young Im, Daniil Karnaushenko, Luyang Han, 

Rudolf Schafer, Peter Fischer, Sang-Koog Kim, and Oliver G. Schmidt 

Size-selective resonant excitation of soft magnetic nano-spheres of three-dimensional magnetic vortex

arXiv:1311.0346  .

Jehyun Lee, Myoung-Woo Yoo, Dong-Soo Han, and Sang-Koog Kim 

Reply to comment on "Physical Origin and Generic Control of Magnonic Band Gaps 

of Dipole-Exchange Spin Waves in Width-Modulated Nanostrip Waveguide " 

Phys. Rev. Lett. 111, 149702 (2013) 

Ki-Suk Lee, Dong-Soo Han, and Sang-Koog Kim 

Rolled-up Permalloy Nanomembranes with Multiple Windings 

SPIN 3, 3 1340001 (2013) 

Robert Streubel, Denys Makarov, Jehyun Lee, Christian Müller, Michael Melzer, Rudolf Schäfer, 

Carlos Cesar Bof Bufon, Sang-Koog Kim, and Oliver G. Schmidt 

Contrasting vortex-gyration dispersions for different lattice bases in one-dimensional vortex arrays 

Appl. Phys. Lett.  103, 112406 (2013) .

Dong-Soo Han, Han-Byeol Jeong, and Sang-Koog Kim 

Wave modes of collective vortex gyration in dipolar-coupled-dot-array magnonic crystals 

Sci. Rep. (Nature Publishing Group)  3 , 2262 DOI:10.1038/srep02262 (2013) 

Dong-Soo Han, Andreas Vogel, Hyunsung Jung, Ki-Suk Lee, Markus Weigand, Hermann Stoll, 

Gisela Schütz, Peter Fischer, Guido Meier and Sang-Koog Kim

Probing the energy barriers and magnetization reversal processes of nanoperforated membrane based percolated media 

Nanotechnology 24, 145702 (2013) 

V Neu, C Schulze, M Faustini, J Lee, D Makarov, D Suess, S-K Kim, D Grosso, L Schultz and M Albrecht 

Resonant amplification of vortex-core oscillations by coherent magnetic-field pulses 

Sci. Rep. (Nature Publishing Group) 3 1301 DOI: 10.1038/srep01301 (2013) 

Young-Sang Yu, Dong-Soo Han, Myoung-Woo Yoo, Ki-Suk Lee, Youn-Seok Choi, Hyunsung Jung, 

Jehyun Lee, Mi-Young Im, Peter Fischer and Sang-Koog Kim

Information-signal-transfer rate and energy loss in coupled vortex-state networks 

Appl. Phys. Lett. 101, 092403 (2012) 

Ji-Hye Kim, Ki-Suk Lee,Hyunsung Jung, Dong-Soo Han, and Sang-Koog Kim 

Logic Operations Based on Magnetic-Vortex-State Networks  

ACS Nano 6, 3712 (2012). 

Hyunsung Jung, Youn-Seok Choi, Ki-Suk Lee, Dong-Soo Han, Young-Sang Yu, Mi-Young Im, Peter Fischer, and Sang-Koog Kim

Radial-spin-wave-mode-assisted vortex-core magnetization reversals 

Appl. Phys. Lett. 100, 172413 (2012). 

Myoung-Woo Yoo, Jehyun Lee, and Sang-Koog Kim* 

* Selected for the Virtual Journal of Ultrafast Science [May, 2012, Volume 11, Issue 5] 

Normal modes of coupled vortex gyration in two spatially separated magnetic nanodisks 

J. Appl. Phys. 110, 113903 (2011) 

Ki-Suk Lee, Hyunsung Jung, Dong-Soo Han, and Sang-Koog Kim 

Tunable negligible-loss energy transfer between dipolar-coupled magnetic disks 

by stimulated vortex gyration 

Sci. Rep. (Nature Publishing Group) 1, 59; DOI:10.1038/srep00059 (2011) 

Hyunsung Jung, Ki-Suk Lee, Dae-Eun Jeong, Youn-Seok Choi, Young-Sang Yu, Dong-Soo Han, 

Andreas Vogel, Lars Bocklage, Guido Meier, Mi-Young Im, Peter Fischer and Sang-Koog Kim

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Tunable negligible-loss energy transfer between dipolar-coupled magnetic disks 

by stimulated vortex gyration 

arXiv:1011.6399v1 

Hyunsung Jung, Ki-Suk Lee, Dae-Eun Jeong, Youn-Seok Choi, Young-Sang Yu, Dong-Soo Han, 

Andreas Vogel, Lars Bocklage, Guido Meier, Mi-Young Im, Peter Fischer and Sang-Koog Kim

Emergence of room-temperature magnetic ordering in artifi-cially fabricated 

ordered-double-perovskite Sr2FeRuO6 

Journal: Chemistry of Materials, 23 (2011),  2693–2696

* MRS bulletin, Vol 36, Issue 7 (July 1, 2011) page 478 

Jaewan Chang, Kyujoon Lee, Myung Hwa Jung, Ji-Hwan Kwon, Miyoung Kim and Sang-Koog Kim* 

* MRS bulletin, Vol 36, Issue 7 (July 1, 2011) page 478 

Polarization-selective vortex-core switching by tailored orthogonal Gaussian-pulse currents 

Phys. Rev. B. 83, 174429 (2011) 

Young-Sang Yu, Ki-Suk Lee, Hyunsung Jung, Youn-Seok Choi, Myoung-Woo Yoo, Dong-Soo Han, Mi-Young Im, 

Peter Fischer, and Sang-Koog Kim* 

* Selected for the Virtual Journal of Nanoscale Science & Technology [May 30, 2011, Volume 23, Issue 21] 

REFRACTIVE INDEX AND SNELL’S LAW FOR DIPOLE-EXCHANGE SPIN WAVES IN RESTRICTED GEOMETRY 

Spin 1  27-31 (2011) 

arXiv link: https://arxiv.org/vc/arxiv/papers/0901/0901.1700v1.pdf

Dae-Eun Jeong, Dong-Soo Han and Sang-Koog Kim* 

Edge-soliton-mediated vortex-core reversal dynamics 

Phys. Rev. Lett. 106, 147201 (2011) 

Ki-Suk Lee, Myoung-Woo Yoo, Youn-Seok Choi, and Sang-Koog Kim* 

* Selected for the Virtual Journal of Nanoscale Science & Technology [Apr. 18, 2011, Volume 23, Issue 15] 

Perpendicular-bias-field-dependent vortex-gyration eigenfrequency 

J. Appl. Phys. 109, 063903 (2011) 

Myoung-Woo Yoo, Ki-Suk Lee, Dong-Soo Han, and Sang-Koog Kim* 

Memory-bit selection and recording by rotating fields in vortex-core cross-point architecture 

Appl. Phys. Lett. 98, 052507 (2011) 

Young-Sang Yu , Hyunsung Jung , Ki-Suk Lee , Peter Fischer, and Sang-Koog Kim* 

Observation of coupled vortex gyrations by 70-ps-time- and 20-nm-spaceresolved 

full-field magnetic transmission soft x-ray microscopy 

Appl. Phys. Lett. 97, 222502 (2010) 

Hyunsung Jung, Young-Sang Yu, Ki-Suk Lee, Mi-Young Im, Peter Fischer, Lars Bocklage, Andreas Vogel, Markus Bolte, Guido Meier, and Sang-Koog Kim*

Origin, criterion and mechanism of vortex-core reversals in soft magnetic nanodisks under perpendicular bias fields  

Phys. Rev. B 82, 174437 (2010) 

Myoung-Woo Yoo, Ki-Suk Lee, Dae-Eun Jeong, and Sang-Koog Kim* 

Micromagnetic computer simulations of spin waves in nanometer-scale patterned magnetic elements 

J. Phys. D: Appl. Phys. 43 (2010) 264004.  

Sang-Koog Kim* 

Cluster papers (Click here) 

Out-of-plane current controlled switching of the fourfold degenerate state of a 

magnetic vortex in soft magnetic nanodots 

Appl. Phys. Lett. 96, 072507 (2010) 

Youn-Seok Choi, Myoung-Woo Yoo, Ki-Suk Lee, Young-Sang Yu, Hyunsung Jung, and Sang-Koog Kim*

Layer-by-layer growth of SrFeO 3-d thinfilms on atomically flat single-terminated 

SrRuO 3 /SrTiO 3 (111) surfaces 

J. Cryst. Growth 312, 621 (2010) 

Jaewan Chang, Jong-Woo Lee, and Sang-Koog Kim* 

A giga-hertz-range spin-wave filter composed of width-modulated 

nanostrip magnonic-crystal waveguides 

Appl. Phy. Lett. 95, 082507 (2009) 

Sang-Koog Kim*, Ki-Suk Lee, and Dong-Soo Han 

* Selected as the cover of the 24 August 2009 issue

* Selected for the Virtual Journal of Nanoscale Science & Technology [Sep. 7, 2009, Volume 20, Issue 10] 

Critical nucleation size of vortex core for domain wall transformation 

in soft magnetic thin-film nanostrips 

Phys. Rev. B. 80, 012402 (2009) 

Youn-Seok Choi, Jun-Young Lee, Myoung-Woo Yoo, Ki-Suk Lee, Konstantin Yu. Guslienko, and Sang-Koog Kim* 

Layer-by-layer growth and growth-mode transition of SrRuO3 thin films on 

atomically flat single-terminated SrTiO3 (111) surfaces 

J. Cryst. Growth 311 (2009) 3771–3774

Jaewan Chang, Yoon-Seok Park , Jong-Woo Lee, and Sang-Koog Kim* 

A spin-wave frequency doubler by domain wall oscillation 

Appl. Phys. Lett. 94, 223510 (2009) 

S. J. Hermsdoerfer, H. Schultheiss, C. Rausch, S. Schäfer, B. Leven, Sang-Koog Kim, and B. Hillebrands 

Spin waves in circular soft magnetic dots at the crossover between vortex and single domain state 

Phys. Rev. B. 79, 174433 (2009)

Farkhad G. Aliev, Juan F. Sierra, Ahmad A. Awad, Gleb N. Kakazei, Dong-Soo Han, Sang-Koog Kim, Vitali Metlushko, Bojan Ilic and Konstantin Y. Guslienko

Quantitative understanding of magnetic vortex oscillations driven by spin-polarized 

out-of-plane dc current: Analytical and micromagnetic numerical study 

Phys. Rev. B. 79, 184424 (2009) 

Youn-Seok Choi, Ki-Suk Lee, and Sang-Koog Kim* 

Magnetic domain-wall motion by propagating spin waves 

Appl. Phys. Lett. 94, 112502 (2009) 

Dong-Soo Han, Sang-Koog Kim*, Jun-Young Lee, Sebastian J. Hermsdoerfer, Helmut Schultheiss, Britta Leven, and Burkard Hillebrands 

* Selected for the Virtual Journal of Nanoscale Science & Technology [Mar. 30, 2009, Volume 19, Issue 13] 

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) 

Ki-suk Lee, Dong-Soo Han, and Sang-Koog Kim* 

* Selected for the Virtual Journal of Nanoscale Science & Technology [Apr. 6, 2009, Volume 19, Issue 4] 

Differential destructive interference of the circular polarization eigenmodes of 

scattered soft x rays at the grazing incidence in magnetic thin films 

J. Appl. Phys. 105, 07E709 (2009) 

Dae-Eun Jeong and Sang-Koog Kim* 

Low-Power Selective Control of Ultrafast Vortex-Core Switching by 

Circularly Rotating Magnetic Fields: Circular-Rotational Eigenmodes   

IEEE Trans. Mag. vol. 44, no. 11, pp. 3071-3074, Nov. 2008.

(as a proceeding of the IEEE Internatinoal Magnetic Conference 2008 (Intermag 2008) ) 

Sang-Koog Kim*, Ki-Suk Lee, Youn-Seok Choi, and Young-Sang Yu 

Linear-versus-Nonlinear Behavior of Magnetic Vortex Gyrotropic Motions in Soft Magnetic Nanodots 

AAPPS Bulletin October 2008, Vol. 18, No. 5, pp. 25 – 28.

Ki-Suk Lee and Sang-Koog Kim 

Understanding eigenfrequency shifts observed in vortex gyrotropic motions in a 

magnetic nanodot driven by spin-polarized out-of-plane dc current  

Appl. Phys. Lett. 93, 182508 (2008) 

Youn-Seok Choi, Sang-Koog Kim*, Ki-Suk Lee, and Young-Sang Yu

* Selected for the Virtual Journal of Nanoscale Science & Technology [Nov. 24, 2008, Volume 18, Issue 21] 

Dynamics of domain walls in soft magnetic nanostripes: topological soliton approach  

IEEE Trans. Mag., vol. 44, no. 11, pp.3079-3082, Nov. 2008. 

Konstantin Yu Guslienko, Jun-Young Lee, and Sang-Koog Kim* 

Underlying Mechanism of Domain-Wall Motions in Soft Magnetic Thin-Film Nanostripes Beyond the Velocity-Breakdown Regime 

Appl. Phys. Lett. 93, 052503 (2008) 

Sang-Koog Kim*, Jun-Young Lee, Youn-Seok Choi, Konstantin Yu. Guslienko, and Ki-Suk Lee

* Selected for the Virtual Journal of Nanoscale Science & Technology [Aug. 18, 2008, Volume 18, Issue 7] 

Conceptual design of spin-wave logic gates based on a Mach-Zehnder-type spin-wave interferometer for universal logic functions 

J. Appl. Phys. 104, 053909 (2008) 

Ki-Suk Lee and Sang-Koog Kim* 

Dynamic Origin of Azimuthal Modes Splitting in Vortex-State Magnetic Dots 

Phys. Rev. Lett. 101, 247203 (2008) 

Konstantin Y. Guslienko, Andrei N. Slavin, Vasyl Tiberkevich, and Sang-Koog Kim* 

* Selected for the Virtual Journal of Nanoscale Science & Technology [Dec. 22, 2008, Volume 18, Issue 25] 

Giant asymmetry of soft x-ray magnetic scattering between opposite circular polarizations near the Brewster angle  

Phys. Rev. B. 78. 012412 (2008) 

Dae-Eun Jeong and Sang-Koog Kim* 

Negative refraction of dipole-exchange spin waves through a magnetic twin interface in restricted geometry 

Appl. Phys. Lett. 92, 212501 (2008) 

Sang-Koog Kim*, Sangkook Choi, Ki-Suk Lee, Dong-Soo Han, Dae-Eun Jung, and Youn-Seok Choi 

Two Circular-Rotational Eigenmodes and their Giant Resonance Asymmetry in Vortex Gyrotropic Motions in Soft Magnetic Circular Nanodots 

Phys. Rev. B.  78, 014405 (2008) 

Ki-Suk Lee and Sang-Koog Kim* 

Oppositely rotating eigenmodes of spin-polarized current-driven vortex gyrotropic 

motions in elliptical nanodots 

Appl. Phys. Lett. 92, 192513 (2008) 

Ki-Suk Lee, Young-Sang Yu, Youn-Seok Choi, Dea-Eun Jeong and Sang-Koog Kim*

* Selected for the Virtual Journal of Nanoscale Science & Technology [Jun. 2, 2008, Volume 17, Issue 22] 

Atomically flat single-terminated STO (111) surface 

Appl. Phys. Lett. 92, 152910 (2008) 

Jaewan Chang , Yoon-Seok Park, and Sang-Koog Kim* 

In situ observation of wet oxidation kinetics on Si(100) via ambient pressure x-ray 

photoemission spectroscopy 

J. Appl. Phys. 103, 044104 (2008) 

Massimiliano Rossi, Bongjin S. Mun*, Yoshiharu Enta*, Charles S. Fadley, Ki-Suk Lee, Sang-Koog Kim, Hyun-Joon Shin, Zahid Hussain, and Philip N. Ross, Jr. 

Dynamic Origin of Vortex Core Switching in Soft Magnetic Nanodots 

Phys. Rev. Lett. 100, 027203 (2008) 

Konstantin Yu. Guslienko, Ki-Suk Lee, Sang-Koog Kim* 

* Selected for the Virtual Journal of Nanoscale Science & Technology [Jan. 28, 2008, Volume 17, Issue 4] 

Real-Time Observation of the Dry Oxidation of the Si(100) Surface with Ambient Pressure X-ray Photoelectron Spectroscopy 

Appl. Phys. Lett. 92, 012110 (2008) 

Yoshiharu Enta*, Bongjin S. Mun*, Massimiliano Rossi , Philip N. Ross Jr. , Zahid Hussain, Charles S. Fadley, Ki-Suk Lee and Sang-Koog Kim 

Reliable low-power control of ultrafast vortex-core switching with the selectivity in arrays of vortex states by in-plane circular-rotational magneticfields and spin-polarized currents 

Appl. Phys. Lett 92(2), 022509 (2008) 

Sang-Koog Kim*, Ki-Suk Lee, Young-Sang Yu, and Youn-Seok Choi 

* Selected as the cover of the 14 January 2008 issue

* Selected for the Virtual Journal of Nanoscale Science & Technology [Jan. 28, 2008, Volume 17, Issue 4] 

Dynamic transformations of the internal structure of a moving domain wall in magnetic nanostripes 

Phys. Rev. B 76, 184408 (2007) 

Jun-Young Lee, Ki-Suk Lee, Sangkook Choi, Konstantin Y. Guslienko, and Sang-Koog Kim* 

* Selected for the Virtual Journal of Nanoscale Science & Technology [Nov. 19, 2007, Volume 16, Issue 21] 

Understanding of complex periodic transformations of moving domain walls in magnetic nanostripes 

arXiv:0706.2542 (June 2007) 

Jun-Young Lee, Ki-Suk Lee, Sangkook Choi, Konstantin Y. Guslienko, and Sang-Koog Kim* 

http://arxiv.org/ftp/arxiv/papers/0706/0706.2542.pdf

Gyrotropic linear and nonlinear motions of a magnetic vortex core in soft magnetic nanodots 

Appl. Phys. Lett. 91. 132511 (2007) 

Ki-Suk Lee and Sang-Koog Kim*

Ultrafast Vortex-Core Reversal Dynamics in Ferromagnetic Nanodots 

Phys. Rev. B 76, 174410 (2007) 

Ki-Suk Lee, Konstantin Y. Guslienko, Jun-Young Lee, and Sang-Koog Kim* 

* Selected for the Virtual Journal of Nanoscale Science & Technology [Nov. 19, 2007, Volume 16, Issue 21]

* Selected for the Virtual Journal of Ultrafast Science [Dec. 2007, Volume 6, Issue 12] 

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Ultrafast Vortex-Core Reversal Dynamics in Ferromagnetic Nanodots 

http://arxiv.org/pdf/cond-mat/0703538 (hit : 387) 

Ki-Suk Lee, Konstantin Y. Guslienko, Jun-Young Lee, and Sang-Koog Kim* 

http://arxiv.org/pdf/cond-mat/0703538  

Remarkable enhancement of domain-wall velocity in magnetic nanostripes  

Appl. Phys. Lett. 91, 122513 (2007) 

Jun-Young Lee, Ki-Suk Lee, and Sang-Koog Kim* 

* Selected for the Virtual Journal of Ultrafast Science [Oct. 2007, Volume 6, Issue 10] 

Total Reflection and Negative Refraction of Dipole-Exchange Spin Waves at Magnetic Interfaces: Micromagnetic Modeling Study 

export.arxiv.org/pdf/0708.1642 

Sangkook Choi and Sang-Koog Kim* 

Soft X-ray Circular Reflectivity from Ferromagnetic Transition-Metal Films Near the Brewster’s Angle: Theoretical and Numerical X-ray Resonant Magnetic Scattering Study 

arXiv:0707.1627

http://eprintweb.org/S/article/cond-mat/0707.1627 

Dae-Eun Jeong and Sang-Koog Kim* 

Electric-current-driven vortex-core reversal in soft magnetic nanodots 

Appl. Phys. Lett. 91, 082506 (2007) 

Sang-Koog Kim*, Youn-Seok Choi, Ki-Suk Lee, Konstantin Y. Guslienko, and Dae-Eun Jeong 

* Selected for the Virtual Journal of Nanoscale Science & Technology [Sep. 3, 2007, Volume 16, Issue 10] 

Strong Radiation of Spin Waves by Core Reversal of a Magnetic Vortex and their Wave Behaviors in Magnetic Nanowire Waveguides

Phys. Rev. Lett. 98, 087205 (2007) 

Sangkook Choi, Ki-Suk Lee, Konstantin Yu. Guslienko, and Sang-Koog Kim* 

* Nature Research Highlights, Vol 446 (March 1, 2007) page 5

* Selected for the Virtual Journal of Nanoscale Science & Technology [Mar. 12, 2007, Volume 15, Issue 10] 

Double-contact spin-torque nano-oscillator with optimized spin-wave coupling: Micromagnetic modeling 

Appl. Phys. Lett. 90, 083114 (2007) 

Sangkook Choi, Sang-Koog Kim*, Vladislav E. Demidov and Sergej O. Demokritov

* Selected for the Virtual Journal of Nanoscale Science & Technology [Mar. 12, 2007, Volume 15, Issue 10] 

Spin-wave interference  

Appl. Phys. Lett. 89, 062501 (2006) 

Sangkook Choi, Ki-Suk Lee, and Sang-Koog Kim* 

* Selected as the cover of the 7 Aug. 2006 issue

* Selected for the Virtual Journal of Ultrafast Science [September 2006 Volume 5, Issue 9]

* Selected for the Virtual Journal of Nanoscale Science & Technology [August 2006, Volume 14, Issue 8] 

Soft x-ray polarizer for optical productions of any orthogonal state of  the linear and circular polarization modes 

Appl. Phys. Lett. 88, 181109 (2006) 

Dae-Eun Jeong, Ki-Suk Lee, and Sang-Koog Kim* 

Dynamics of Transverse Magnetic Domain Walls in Rectagular-shape Thin-film Nanowires Studied by Micromagnetic Simulations 

Journal of Magnetics, 11(2), 74-76 (2006)  

Jun-Young Lee, Sangkoog Choi, and Sang-Koog Kim* 

A possible origin of ferromagnetism in epitaxial BiFeO3 thin films 

J. Magnetics 11(3), 108-110 (2006) 

Jaewan Chang, Hyun M. Jang, and Sang-Koog Kim* 

Vortex-antivortex assisted magnetization dynamics in a semi-continuous thin-film model system studied by micromagnetic simulations 

Appl. Phys. Lett. 86, 052504 (2005) 

Sang-Koog Kim,a! Ki-Suk Lee, Byoung-Woo Kang, Kyung-Jin Lee, and J. B. Kortright 

* Selected as the cover of the 31 Jan. 2005 issue. 

In-Situ Magneto-Optical Kerr Effect Studies of Exchange-Bias Formationsin Ferromagnetic/Antiferromagnetic Thin Film Systems 

Electronic Materials Letters, 1,  47 - 53 (2005) 

Y.-S. Yu, K.-S. Lee, D.-J. Jeon, S.-K. Kim, K. Y. Kim, S.-H. Jang, Y.-W. Kim, J.-W.  Lee, and S.-C. Shin 

Switchable uncompensated antiferromagnetic spins: Their role in exchange bias 

J.  Magnetics 10, 36 (2005).

K.-S. Lee, S.-K. Kim,  J. B. Kortright, K.-Y. Kim, and S.-C. Shin 

X-ray magneto-optical Kerr effect based on circular-polarization eigenmodes 

J. Korean Phys. Soc. 46, 1180 (2005) 

D.-E. Jeong, K.-S. Lee, and S.-K. Kim 

Radiation of spin waves from magnetic vortex cores by their dynamic motion and annihilation processes 

Appl. Phys. Lett. 87 192502 (2005) 

K.-S. Lee, S. K. Choi, and S.-K. Kim

* Selected as the cover of the 7 Nov. 2005 issue

* Selected for the Virtual Journal of Nanoscale Science & Technology [Nov. 14. 2005, Volume 12, Issue 20]

Soft x-ray resonant Kerr rotation measurement and simulation of element-resolved interface-sensitive magnetization reversals in a NiFe/FeMn/Co trilayer structure 

Appl. Phys. Lett. 86, 102502 (2005). 

S.-K. Kim, K.-S. Lee, J. B. Kortright, and S.-C. Shin 

Soft x-ray resonant magneto-optical Kerr effect as a depth-sensitive probe of magnetic heterogeneity: A simulation approach 

J. Appl. Phys. 97, 083519 (2005) 

K.-S. Lee, D.-E. Jeong, S.-K. Kim, and J. B. Kortright 

An interface-proximity model for switchable uncompensated antiferromagnetic spins and their role in exchange bias 

Appl. Phys. Lett. 86, 192512 (2005). 

Ki-Suk Lee, Young-Sang Yu, and Sang-Koog Kim 

Vortex-antivortex pair driven magnetization reversal dynamics: Micromagnetic simulation evidence 

Appl. Phys. Lett.  85, 1568 (2004) 

K.-S. Lee, B.-W. Kang, Y.-S. Yu, and S. -K. Kim 

Soft x-ray resonant magneto-optical Kerr effect as a depth-sensitive probe of magnetic heterogeneity: Its application to resolve helical spin structures using linear p polarization 

J. Appl. Phys. 96, 7414 (2004) 

K.-S. Lee, S.-K. Kim, and J. B. Kortright  

Soft X-ray Resonant Kerr-Effect as a  Depth-Sensitive Probe of Heteromagnetic Nanostructures.  

IEEE Trans. Mag. 40, 2185 (2004) 

K.-S. Lee and S.-K. Kim.

(as a proceeding of the 9th joint MMM-intermag conference) 

Voltage Control of Magnetization Easy-Axes: A Potential Candidate for Spin Switching in Future Ultrahigh-Density Nonvolatile Magnetic Random Access Memory 

IEEE Trans. Mag. 40, 2637 (2004) 

S.-K. Kim, S.-C. Shin, and K. S. No. 

(as a proceeding of the 9th joint MMM-intermag conference)

In situ visible surface magneto-optical Kerr effect studies of exchange bias formation in coupled ferromagnetic/antiferrmagnetic films 

Sae Mulli, 47, 354 (2003) 

Y.-S. Yu, K.-S. Lee, S.-K. Kim, K. Y. Kim, S.-H. Jang, J.-W. Lee, and S.-C. Shin 

Atomic-scale depth selectivity of soft x-ray resonant Kerr effect 

Appl. Phys. Lett., 83, 3764 (2003) 

K.-S. Lee, S.-K. Kim and J.B. Kortright 

Spin engineering of CoPd alloy films via inverse piezoelectric effect 

Appl. Phys. Lett, 82, 2458 (2003)

J.-W. Lee, S.-C. Shin, and S.-K. Kim 

Voltage control of a magnetization easy axis in piezoelectric/ferromagnetic hybrid films 

J. Magn. Magn. Mater.  267, 127 (2003) 

S.-K. Kim, J.-W. Lee, S.-C. Shin, H. W. Song, C. H. Lee, and K. S. No, and J.-W. Lee 

Magnetization Switching of CoPd Alloy Film on Piezoelectric Substrate via Inverse Piezoelectric Effect 

IEEE Trans. Mag. 39, 2782(2003) 

J.-W. Lee, S.-C. Shin, and S.-K. Kim  

Reversible spin-reorientation transition in Co0.35Pd0.65/Pd multilayer films 

J. Magn. Magn. Mater. 240, 543 (2002. 2) 

S.-K. Kim, J.-W. Lee, J.-R. Jeong, and S.-C. Shin 

Contrasting hysteresis behavior between the magneto-optical Kerr rotation and ellipticity in NiFe/FeMn/Co films  

J. Appl. Phys. 91, 3099 (2002. 3)

S.-K. Kim , J.-W. Lee, S.-C. Shin, and K. Y. Kim   

Second-Order Spin-Reorientation Transition via Magnetoelastic Coupling in CoxPd1-x Alloy Films 

Phys. Rev. B  65, 094410 (2002. 2) 

S.-K. Kim, J. Kim, and S.-C. Shin 

Full vectorial spin-reorientation transition and magnetization reversal study in ultrathin ferromagnetic films using magneto-optical Kerr effects 

Phys. Rev. B 65, 144437 (2002. 4) 

J.-W. Lee,  J. Kim, S.-K. Kim, J.-R. Jeong, and S.-C. Shin 

* Selected for the Virtual Journal of Nanoscale Science & Technology [Apr. 15. 2002, Volume 5, Issue 15] 

Magnetoelastic properties of epitaxially grown Co35Pd65 alloy films on Cu/Si(001)  

J. Appl. Phys. 91, 7179 (2002. 5) 

J.-R. Jeong, J. Kim, S.-K. Kim, J.-W. Lee, and S.-C. Shin   

In situ vectorial magnetization reversal study of ultrathin Co films on Pd (111) using magneto-optical Kerr effect 

Appl. Phys. Lett. 81, 91 (2002. 5)  

S.-C. Shin, J.-W. Lee, S.-K. Kim, and J. Kim 

Probing buried interfaces with soft x-ray standing wave spectroscopy: application to the Fe/Cr interface  [ALS Science News] 

J. Phys.: Condens. Matter, 14, L407-420 (2002. 5) 

S. H. Yang, B. S. Mun, N. Mannella, S.-K. Kim, J. B. Kortright, J. Underwood, F. Salmassi, E. Arenholz, A. Young, Z. Hussain, M. C. Van Hove, and C. S. Fadley 

Spin-reorientation transitions in ultrathin Co films on Pt(111) and Pd(111) single-crystal substrates 

Phys. Rev. B 66, 172409 (2002. 12)

J.-W. Lee, J.-R. Jeong, S.-C. Shin, J. G. Kim, and S.-K. Kim 

Vector magnetization imaging in ferromagnetic thin films using soft x-rays 

Appl. Phys. Lett. 78, 2742 (2001) 

S.-K. Kim, J. B. Kortright, and S.-C. Shin 

* Selected for the Virtual Journal of Nanoscale Science & Technology [May 7. 2001, Volume 3, Issue 19] 

Experimental observation of magnetically dead layers in Ni/Pt multilayer films  

Phys. Rev. B 64, 052406 (2001) 

S.-K. Kim, J.-R. Jeong, J. B. Kortright, and S.-C. Shin 

Spin Engineering in Ultrathin Co0.35Pd0.65 Alloy Films, Virtual Journal of Nanoscale Sci. & Tech. 

Appl. Phys. Lett. 79, 1652 (2001) 

S.-K. Kim, J.-W. Lee, J.-R. Jeong, J. Kim, and S.-C. Shin

* Selected for the Virtual Journal of Nanoscale Science & Technology [Sep. 17. 2001, Volume 4, Issue 12] 

Influence of substrate roughness on spin reorientation transition of ultrathin Co films on Pd(111)  Virtual Journal of Nanoscale Sci. & Tech. 

Appl. Phys. Lett. 79, 93 (2001) 

J. Kim, J.-W. Lee, J.-R. Jeong, S.-K. Kim, and S.-C. Shin 

* Selected for the Virtual Journal of Nanoscale Science & Technology [Jul. 9. 2001, Volume 4, Issue 2] 

Soft-x-ray small-angle scattering as a sensitive probe of magnetic and charge heterogeneity  

Phys. Rev. B 64 092401 (2001)

J. B. Kortright, S.-K. Kim, G. P. Denbeaux, G. Zeltzer, K. Takano, and  E. E. Fullerton 

In situ magnetoelastic coupling and stress-evolution studies of epitaxial Co35Pd65 alloy films in monolayer regime   

Virtual Journal of Nanoscale Sci. & Tech. 

Appl. Phys. Lett.  79, 3296 (2001) 

J.-R. Jeong, J. Kim, J.-W. Lee, S.-K. Kim, and S.-C. Shin  

* Selected for the Virtual Journal of Nanoscale Science & Technology [Nov. 19. 2001, Volume 4, Issue 21] 

Layer-selectivity of visible magneto-optical Kerr effects in pseudo spin-valve NiFe/FeMn/Co films   

J. Korean Phys. Soc. 39, 1060 (2001) 

S.-K. Kim, K. Y. Kim, and S.-C. Shin 

Modified magnetism at a buried Co/Pd interface resolved with x-ray standing waves, ALS Science News    

Phys. Rev. Lett. 86, 1347 (2001)

S.-K. Kim and J. B. Kortright 

Thickness-Driven Spin Reorientation Transition in Co/Pd(111) : In Situ SMOKE Three-Dimensional Vector Magnetometry   

J. Magnetics, 6, 53 (2001) 

J.-W. Lee, S.-K. Kim, J.-R. Jeong, J. Kim, and S.-C. Shin 

Alloy-like Co environment in Co/Pd multilayer films having perpendicular magnetic anisotropy 

J. Appl. Phys. 89, 3055 (2001) 

S.-K. Kim, and S.-C. Shin 

Depth-resolved photoemission spectroscopy with soft x-ray stadning waves 

J. Elect. Spect. & Relat. Phenom 114-116, 1089 (2001)

S.-H. Yang, B. S. Mun, A. W. Kay, S.-K. Kim, J. B. Kortright, J. H. Underwood, Z. Hussain, C. S. Fadley 

X-ray magneto-optica Kerr effect studies of spring magnet heterostructures  

Nucl. Instr. Meth. Phys. Res. A 467-468, 1396 (2001) 

J. B. Kortright, S.-K. Kim, E.E Fullerton, J. S. Jiang, and S. D. Bader 

In situ vectorial magnetization study of ultrathin magnetic films using a surface magneto-optical Kerr effect measurement system 

IEEE Trans. Magn. 37, 2773 (2001) 

J.-W. Lee, S.-K. Kim, J.-R. Jeong, J. Kim, and S.-C. Shin 

Growth and magnetic properties of ultrathin Co films on Pd(111) investigated by UHV in situ SMOKE and STM 

J. Appl. Phys. 89, 7147 (2001)

J. Kim, J.-W Lee, J.-R. Jeong, S.-K. Kim, and Sung-Chul Shin 

Enhanced Reflectance X-ray Absorption Fins Structure Sensitivity Using a Whispering-Gallery Waveguide 

Nucl. Instr. Meth. Phys. Res. A  448, 173 (2000)

V. A. Chernov, S.-K. Kim, N. V. Kovalenko, and K. V. Zolotarev 

Sigma-Like Phase and Nanoscale Segregation in Polycrystalline FexCr1-x Films: An  Element-Resolved Magnetic and Structural Study 

Phys. Rev. B 61, 64 (2000), 

J. B. Kortright, S.-K. Kim, and H. Ohldag 

Depth-Resolved Photoemission Spectroscopy From Surface and Buried Layers with Soft X-ray Standing Waves 

Surf. Sci. Lett. 461,  L557 (2000) 

S.-H. Yang, B. S. Mun, A. W. Kay, S.-K. Kim, J. B. Kortright, J. H. Underwood, Z. Hussain, and C. S. Fadley