Journal Articles

Publications

† indicates equal contribution, H.-S. Han indicates Hee-Sung Han (한희성)

* indicates corresponding author 

[Pending]

- H.-S. Han*, S. Lee, G. Go, N. Kim, W. Kim, W. Chao, Y.-S. Yu, S.-K. Kim*, K.-S. Lee*, and M.-Y. Im*, under review.

- G. Kim, D.-H. Jung, H.-S. Han, M. Kang, S. Jeong, Y. Park, M.-Y. Im, K.-S. Lee*, under review


[Publication]

23. Y. Ji†, S. Yang†, H.-B. Ahn†, K.-W. Moon, T.-S. Ju, M.-Y. Im, H.-S. Han, J. Lee, C. Lee*, K-J. Kim*, C. Hwang*, "Direct Observation of Room-Temperature Magnetic Skyrmion Motion Driven by Ultra-Low Current Density in Van Der Waals Ferromagnets" Advanced Materials, 36(21), 2312013 (2024)


22. S. T. Kim, H.-S. Han, M.-Y. Im, and S.-G. Je*, "Control of a Twisted Domain Wall Motion Supported by Topology" Journal of Applied Physics 135, 103902 (2024)


21. H.-S. Han*, S. A. Montoya, E. E. Fullerton, W. Chao, S. -G. Je*, K.-S. Lee*, and M.-Y. Im*, "Manipulation of the magnetic monopole injection for topological transition" NPG Asia Materials 16, 9 (2024)


20. H.-S. Han*, "Three-Dimensional Character of Spin Structures in Nanomagnetic Materials" Journal of the Korean Magnetics Society 33(5), 1-9 (2023)


19. S. S. Lee, T.-S. Ju, H.-S. Han, M.-Y. Im, C. Kim, K.-W. Moon*, and S. Yang*, "Atomic scale interface engineering for realizing a perpendicularly magnetized CoFeB-based skyrmion hosting material" Applied Physics Letters 122, 242407 (2023)


18. S. Yang, J. W. Son, T.-S. Ju, D. M. Tran, H.-S. Han, S. Park, B. H. Park, K.-W. Moon*, C. Hwang*, "Magnetic Skyrmion Transistor Gated with Voltage-Controlled Magnetic Anisotropy" Advanced Materials 35, 9, 2370064 (2023).


17. H.-S. Han, S. Lee, M.-S. Jung, N. Kim, D.-H. Jung, M. Kang, H. -J, Ok, W. Chao, Y.-S. Yu, J.-I. Hong, M.-Y. Im*, and K.-S. Lee*, "Tuning of oscillation modes by controlling dimensionality of spin structures" NPG Asia Materials 14, 91 (2022).


16. N. Kim, H.-S. Han, C.-J. Choi, K.-S. Lee*, J. Park*, "Calculation of Three-Dimensional Energy Product for Isotropic Nd2Fe14B Magnet" Applied Sciences 12(15), 7887 (2022).


15. T. Y. Wang, H.-S. Han, C. Su, Q. Li, M. Yang, Weilun Chao, Xixiang Zhang, C. Hwang, A. Zettl, M.-Y. Im, and Z. Q. Qiu*, “Magnetic anisotropy in permalloy antidot square lattice” Journal of Magnetism and Magnetic Materials 544, 168680 (2021).


14. H.-S. Han†, S. Lee, S.-G. Je, M. Kang, H. -J, Ok, D.-H. Jung, W. Chao, Y.-S. Yu, M.-Y. Im*, and K.-S. Lee*, “Stochasticity in the Switching of Nanodisks for Probabilistic Computing” ACS Applied Nano Materials 4, 9, 9912–9918 (2021).


13. D.-H. Jung, H.-S. Han, N. Kim, G. Kim, S. Jeong, S. Lee, M. Kang, M.-Y. Im, and K.-S. Lee*, “Magnetic skyrmion diode: Unidirectional skyrmion motion via symmetry breaking of potential energy barriers” Physical Review B 104, L060408 (2021). 


12. H.-S. Han, S. Lee, M.-S. Jung, N. Kim, W. Chao, Y.-S. Yu, J.-I. Hong, K.-S. Lee* and M.-Y. Im*, “Topology-dependent stability of vortex-antivortex structures” Applied Physics Letters 118, 212407 (2021). 


11. N. Kim, H.-S. Han, S. Lee, M.-J. Kim, D.-H. Jung, M. Kang, H. Ok, Y.-K Son, Sukbin Lee* and K.-S. Lee*, “Geometric Effects in Cylindrical Core/Shell Hard–Soft Exchange-Coupled Magnetic Nanostructures” Journal of Magnetism and Magnetic Materials 5, 167599 (2021). 


10. S. Lee, H.-S. Han, D.-H. Jung, N. Kim, M. Kang, H.-J. Ok, and K.-S. Lee*, “Writing and Deleting Magnetic Bubbles using Local Magnetic Fields” Journal of Magnetics 25(4), 458-462 (2020) 


9. Z. Wang, M. Guo, H.-A. Zhou, L. Zhao, T. Xu, R. Tomasello, H. Bai, Y. Dong, S.-G. Je, W. Chao, H.-S. Han, S. Lee, K.-S. Lee, Y. Yao, W. Han, C. Song, H. Wu, M. Carpentieri, G. Finocchio, M.-Y. Im, S.-Z. Lin*, W. Jiang*, “Thermal generation, manipulation and thermoelectric detection of skyrmions Nature Electronics 3, 672-679 (2020). 

[Nature Reviews Materials 5, 868 (2020), Link: https://doi.org/10.1038/s41578-020-00266-9]


8. H.-S. Han, S. Lee, D.-H. Jung, M. Kang and K.-S. Lee*, “Chirality-dependent asymmetric vortex core structures in a harmonic excitation mode Applied Physics Letters 117, 042401 (2020). 


7. S.-G. Je, H.-S. Han, S. K. Kim, S. A. Montoya, W. Chao, I.-S. Hong, E. E. Fullerton, K.-S. Lee, K.-J. Lee, M.-Y. Im*, and J.-I. Hong*, “Direct demonstration of topological stability of magnetic skyrmions via topology manipulation ACS Nano 14, 3251-3258 (2020). 


6. N. Gao, S. -G. Je, M. -Y. Im, J. W. Choi, M. Yang, Q. Li, T. Y. Wang, S. Lee, H.-S. Han, K.-S. Lee, W. Chao, C. Hwang, J. Li*, and Z. Q. Qiu* “Creation and annihilation of topological meron pairs in in-plane magnetized films” Nature Communications 10, 5603 (2019).


5. M.-Y. Im†*, H.-S. Han†, M.-S. Jung, Y.-S. Yu, S. Lee, S. Yoon, W. Chao, P. Fischer, J.-I. Hong*, and K.-S. Lee*, “Dynamics of the Bloch point in an asymmetric permalloy disk” Nature Communications 10, 593 (2019)


4. D. Sung†, C. Jung†, B.-G. Cho†, W. Jo, H.-S. Han, K.-S. Lee, V. Bhat, B. Farmer, L. E. D. Long, K. B. Lee, D. J. Keavney, D. R. Lee*, and C. Song*, “Imaging the magnetic structures of artificial quasicrystal magnets using resonant coherent diffraction of circularly polarized X-rays” Nanoscale 27, 13159 (2018)


3. N. Kim, H.-S. Han, K.-S. Lee*. "A Limit to Predict Maximum Energy Product (BHmax) from the Magnetization Hysteresis Loop", Journal of the Korean Magnetics Society 28(5), 205-211 (2018)


2. 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 and J. Chang, “Spin-orbit torque-driven skyrmion dynamics revealed by time-resolved X-ray microscopy” Nature Communications 8, 15573 (2017)


1. 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)