Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Jungbum, Yoon"'
Autor:
Kyoung-Woong Moon, Changsoo Kim, Jungbum Yoon, Jun Woo Choi, Dong-Ok Kim, Kyung Mee Song, Dongseuk Kim, Byong Sun Chun, Chanyong Hwang
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-8 (2018)
Spin torques with different origins enable the magnetic domain wall motion, but the contributions are hard to be distinguished. Here, the authors show the method to measure both spin-magnetization transfer torque and spin–orbit torque by using moun
Externí odkaz:
https://doaj.org/article/a82fcc38446a4fafadbac2fc28ec50f8
An alternative understanding of the skyrmion Hall effect based on one-dimensional domain wall motion
Autor:
Kyoung-Woong Moon, Jungbum Yoon, Changsoo Kim, Jae-Hun Sim, Se Kwon Kim, Soong-Geun Je, Chanyong Hwang
Publikováno v:
Applied Physics Express. 15:123001
A moving magnetic skyrmion exhibits transverse deflection. This so-called skyrmion Hall effect has been explained by the Thiele equation. Here, we provide an alternative interpretation of the skyrmion Hall effect based on the dynamics of domain walls
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ada4fcb3fba934419ed000afa8a08c37
https://doi.org/10.35848/1882-0786/ac9ddc
https://doi.org/10.35848/1882-0786/ac9ddc
Autor:
Soonnam Kwon, Changsoo Kim, Chanyong Hwang, Sang Hyuk Lee, Dong-Hyun Kim, Sang Han Park, Jungbum Yoon
Publikováno v:
Journal of Synchrotron Radiation. 26:1031-1036
An overview is given of the soft X-ray photon-in/photon-out instruments on the free-electron laser (FEL) beamline at the Pohang Accelerator Laboratory, and selected commissioning results are presented. The FEL beamline provides a photon energy of 270
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd495322058f7c3b6ed9ceb6c412db54
https://doi.org/10.1107/s1600577519004272
https://doi.org/10.1107/s1600577519004272
Autor:
Jun Woo Choi, Kyung Mee Song, Jungbum Yoon, D.Y. Kim, Kyoung-Woong Moon, Chanyong Hwang, Changsoo Kim, Byong Sun Chun, Dongseuk Kim
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-8 (2018)
Current-induced magnetic domain wall (DW) motion is an important operating principle of spintronic devices. Injected current generates spin torques (STs) on the DWs in two ways. One is the spin transfer from magnetic domains to the walls by the curre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6bf6097cb0ac546622ca3bc8c8d39121
http://link.springer.com/article/10.1038/s41467-018-06223-z
http://link.springer.com/article/10.1038/s41467-018-06223-z
Publikováno v:
Physical Review Applied. 12
The exotic spin textures known as skyrmions are important for memory and logic applications, due to their robustness against external perturbations. Skyrmions have been considered to exist only in perpendicular magnetic domains, but this study shows
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d8fc205771db44e0da30b495419571d
https://doi.org/10.1103/physrevapplied.12.064054
https://doi.org/10.1103/physrevapplied.12.064054
Publikováno v:
Physical Review B. 100
The current-induced magnetization dynamics is an important subject in spintronics research. It contains many interesting physical phenomena and has a high potential for spintronic applications. Most magnetic memory devices are based on the magnetizat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a04387b2ba0bd8d2112b1429fc0e3a0
https://doi.org/10.1103/physrevb.100.094422
https://doi.org/10.1103/physrevb.100.094422
Autor:
Changsoo Kim, Byoung-Chul Min, Dongseuk Kim, D.Y. Kim, Jungbum Yoon, Chanyong Hwang, Jun Woo Choi, Kyoung-Woong Moon, Byong Sun Chun
Publikováno v:
Physical Review Applied. 12
Magnetization, the magnetic moment per unit volume, is the basic quantity for describing a magnetic system. Generally, magnetic imaging techniques show the relative magnitude of magnetization, and its direction. Determining the $a\phantom{\rule{0}{0e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::133b30026366e3e2732410010769f9da
https://doi.org/10.1103/physrevapplied.12.034030
https://doi.org/10.1103/physrevapplied.12.034030
Autor:
Dongseuk, Kim, Sijin, Park, Jinhwan, Lee, Jungbum, Yoon, Sungjung, Joo, Taeyueb, Kim, Kil-Joon, Min, Seung-Young, Park, Changsoo, Kim, Kyoung-Woong, Moon, Changgu, Lee, Jisang, Hong, Chanyong, Hwang
Publikováno v:
Nanotechnology. 30(24)
Among two-dimensional (2D) layered van der Waals materials, ferromagnetic 2D materials can be useful for compact low-power spintronic applications. One promising candidate material is Fe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::9ff83c70e81bdb77eeb64dd19883edce
https://pubmed.ncbi.nlm.nih.gov/30802888
https://pubmed.ncbi.nlm.nih.gov/30802888
Autor:
Jungbum Yoon, Kyung Mee Song, Changsoo Kim, D.Y. Kim, Dongseuk Kim, Kyoung-Woong Moon, Chanyong Hwang, Byong Sun Chun, Jun Woo Choi
Publikováno v:
Physical Review Applied. 10
How might we measure the Dzyaloshinskii-Moriya interaction (DMI), which can be so important in spintronics? When this magnetic exchange interaction is small, knowing the actual value becomes significant, since operating speed is proportional to it in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f03a78c6e6cf7f08d82172d3cbfb4384
https://doi.org/10.1103/physrevapplied.10.064014
https://doi.org/10.1103/physrevapplied.10.064014
Autor:
Yoshishige Suzuki, Chun-Yeol You, Nam-Hui Kim, Jungbum Yoon, Jinyong Jung, Katsunori Konioshi, Jaehun Cho, Yuya Fujii, Myung-Hwa Jung, Shinji Miwa
Publikováno v:
Journal of Magnetism and Magnetic Materials. 409:99-103
We investigate the spin dynamics including Gilbert damping in the ferromagnetic nanowire arrays. We have measured the ferromagnetic resonance of ferromagnetic nanowire arrays using vector-network analyzer ferromagnetic resonance (VNA-FMR) and analyze
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::538b8305740070756a3393e6439b86e1
https://doi.org/10.1016/j.jmmm.2016.02.090
https://doi.org/10.1016/j.jmmm.2016.02.090