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Hyun-Joong Kim
Hyun-Joong Kim
Samsung Electroncis
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Year
Induced versus intrinsic magnetic moments in ultrafast magnetization dynamics
M Hofherr, S Moretti, J Shim, S Häuser, NY Safonova, M Stiehl, A Ali, ...
Physical Review B 98 (17), 174419, 2018
332018
Field-free control of exchange bias by spin Hall currents
HJ Kim, SG Je, DH Jung, KS Lee, JI Hong
Applied Physics Letters 115 (2), 2019
282019
Field‐free switching of magnetization by tilting the perpendicular magnetic anisotropy of Gd/Co multilayers
HJ Kim, KW Moon, BX Tran, S Yoon, C Kim, S Yang, JH Ha, K An, TS Ju, ...
Advanced Functional Materials 32 (26), 2112561, 2022
272022
Direct observation of terahertz emission from ultrafast spin dynamics in thick ferromagnetic films
L Huang, JW Kim, SH Lee, SD Kim, VM Tien, KP Shinde, JH Shim, Y Shin, ...
Applied Physics Letters 115 (14), 2019
272019
Electrical generation and deletion of magnetic skyrmion‐bubbles via vertical current injection
S Yang, KW Moon, TS Ju, C Kim, HJ Kim, J Kim, BX Tran, JI Hong, ...
Advanced Materials 33 (45), 2104406, 2021
212021
Universal field-tunable terahertz emission by ultrafast photoinduced demagnetization in Fe, Ni, and Co ferromagnetic films
L Huang, SH Lee, SD Kim, JH Shim, HJ Shin, S Kim, J Park, SY Park, ...
Scientific Reports 10 (1), 15843, 2020
202020
Role of non-thermal electrons in ultrafast spin dynamics of ferromagnetic multilayer
JH Shim, AA Syed, JI Kim, HG Piao, SH Lee, SY Park, YS Choi, KM Lee, ...
Scientific Reports 10 (1), 6355, 2020
132020
Ideality factor of GaN-based light-emitting diodes determined by the measurement of photovoltaic characteristics
HJ Kim, GH Ryu, WB Yang, HY Ryu
Journal of the Korean Physical Society 65, 1639-1643, 2014
122014
Controllable magnetic anisotropy of ferromagnet/antiferromagnet bilayers coupled with piezoelectric strain
HJ Kim, MS Jung, CY You, JI Hong
Acta Materialia 171, 170-175, 2019
112019
Evaluation of the internal quantum efficiency in blue and green light-emitting diodes using the rate equation model
HY Ryu, GH Ryu, SH Lee, HJ Kim
Journal of the Korean Physical Society 63, 180-184, 2013
112013
Programmable Dynamics of Exchange‐Biased Domain Wall via Spin‐Current‐Induced Antiferromagnet Switching
HJ Kim, SG Je, KW Moon, WC Choi, S Yang, C Kim, BX Tran, C Hwang, ...
Advanced Science 8 (17), 2100908, 2021
72021
Electrical manipulation of oxygen ion migrations for the voltage‐controlled adjustment of magnetic anisotropy and optimized skyrmion generations
BX Tran, S Yang, HJ Kim, JH Ha, S Yoon, C Kim, KW Moon, WC Choi, ...
Advanced Electronic Materials 8 (12), 2200770, 2022
62022
Ultralow-current magnetization switching in nearly compensated synthetic antiferromagnetic frames using sandwiched spin sources
S Yang, TS Ju, J Seo, KW Moon, C Kim, HJ Kim, J Shin, JY Yang, ...
Acta Materialia 208, 116708, 2021
42021
Magnetic field magnitudes needed for skyrmion generation in a general perpendicularly magnetized film
S Yang, TS Ju, C Kim, HJ Kim, K An, KW Moon, S Park, C Hwang
Nano Letters 22 (21), 8430-8436, 2022
32022
Observation of magnetoconductivity with terahertz probes for ferromagnetic Fe films
L Huang, Y Zhao, N Le Thi, SH Lee, Z Peng, S Kim, HJ Shin, J Park, ...
Current Applied Physics 41, 81-85, 2022
32022
Free tuning of exchange bias via resettable alignment of antiferromagnetic Néel axes using mechanical vibrations
HJ Kim, S Yoon, JH Ha, WC Choi, JI Hong
Acta Materialia 210, 116821, 2021
32021
Effect of microstructures on the Gilbert damping in Co/Ni multilayers
HS Song, KD Lee, SH Yang, JW Sohn, HJ Kim, CY You, BG Park, ...
Current Applied Physics 16 (10), 1349-1352, 2016
12016
Programmable Racetrack for Magnetic Domain Wall Motion via Local Tuning of Exchange Biased Field
HJ Kim, KW Moon, S Yoon, K An, C Kim, S Yang, TS Ju, JW Son, JI Hong, ...
Advanced Electronic Materials, 2400027, 2024
2024
Formation of helical spin alignment in the AFM/FM/AFM trilayers by spin–orbit torque controlled exchange bias
WC Choi, S Yoon, HJ Kim, JH Ha, KJ Park, E Baek, DR Kim, Y Shin, ...
APL Materials 11 (12), 2023
2023
Dynamics of weak magnetic coupling by x-ray ferromagnetic resonance
C Kim, WC Choi, KW Moon, HJ Kim, K An, BG Park, H Kim, J Hong, J Kim, ...
Journal of Applied Physics 133 (17), 2023
2023
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