Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Minyeong, Choi"'
Autor:
Minyeong Choi, Yang-Ki Hong, Hoyun Won, Chang-Dong Yeo, Byung-Chul Choi, Jihoon Park, Woncheol Lee
Publikováno v:
AIP Advances, Vol 13, Iss 10, Pp 105015-105015-6 (2023)
First-principles calculations were performed to calculate the electronic structures of low temperature phase (LTP) MnBi (Mn50Bi50) and substitutionally and interstitially Sn-doped MnBi [Mn50Bi25Sn25, (Mn0.5Bi0.5)66.7Sn33.3]. Brillouin function predic
Externí odkaz:
https://doaj.org/article/0b6a9fbb3ac241d8a32944ff33932b64
Publikováno v:
AIP Advances, Vol 12, Iss 12, Pp 125307-125307-7 (2022)
Spin Hall nano-oscillators utilizing the synthetic spin textures imprinted in nanomagnets are demonstrated by numerical investigations. The imprinting is achieved by locally manipulating the magnetic anisotropy and the interfacial Dzyaloshinskii–Mo
Externí odkaz:
https://doaj.org/article/49e3af10b4ce479fba3a60f1a5bd27ca
Publikováno v:
AIP Advances, Vol 12, Iss 5, Pp 055013-055013-7 (2022)
A synthetic skyrmion-based magnetic tunnel junction spintronic nano-oscillator is proposed. The oscillator consists of a Pt/Co/AlOx/Co heterostructure. It exploits the high-frequency eigenoscillations of a synthetic chiral nanomagnet, which is imprin
Externí odkaz:
https://doaj.org/article/9ecdbf106b6e4662977c220dec4f8023
Autor:
Hoyun Won, Yang-Ki Hong, Minyeong Choi, Gary J. Mankey, Jongkook Lee, Taegyu Lee, Tae Won Lim
Publikováno v:
AIP Advances, Vol 12, Iss 3, Pp 035113-035113-5 (2022)
The effects of various branches geometry and dimensions such as length, thickness, and width for H-, U-, O-, YH- and YU-shaped alnico structures on coercivity (Hci) using micromagnetic simulation for coherent rotation and curling modes are investigat
Externí odkaz:
https://doaj.org/article/02ca0b71a41e40cd95e0fc0922842835
Autor:
Sujoy Talukder, Chang-Dong Yeo, Yang-Ki Hong, Minyeong Choi, Robert C. Flicek, Joseph E. Bishop
Publikováno v:
AIP Advances, Vol 12, Iss 2, Pp 025204-025204-10 (2022)
An improved electrical contact resistance (ECR) model for elastic rough electrode contact is proposed, incorporating the effects of asperity interactions and temperature rise by frictional and joule heating. The analytical simulation results show tha
Externí odkaz:
https://doaj.org/article/4c9bd6c728464afbb79083d5b0fc33b2
Autor:
Hoyun Won, Yang-Ki Hong, Minyeong Choi, Jonathan Platt, Briana Bryant, Seungdeog Choi, Shuhui Li, Hwan-Sik Yoon, Timothy A. Haskew, Jongkook Lee, Taegyu Lee, Tae-Won Lim
Publikováno v:
Energies, Vol 15, Iss 6, p 1997 (2022)
This paper proposes a 300 kW 24-slot/10-pole 6-phase stator-shifted fractional-slot concentrated winding spoke-type ferrite permanent magnet machine for electric truck applications. The proposed motor consists of a stator with dual three-phase windin
Externí odkaz:
https://doaj.org/article/0927ba62959e4121bac671581086901d
Publikováno v:
Organic Letters. 24:4264-4269
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1da14d8d3ecf1b4bfc899510b6d52dc
https://doi.org/10.1021/acs.orglett.2c01528
https://doi.org/10.1021/acs.orglett.2c01528
Publikováno v:
AIP Advances, Vol 8, Iss 5, Pp 056811-056811-5 (2018)
We used four rotor topologies of an interior permanent magnet synchronous motor (IPMSM) to investigate the effects of remanent flux density (Br) and coercivity (Hc) of permanent magnet on motor performance. Commercial strontium hexaferrite (SrFe12O19
Externí odkaz:
https://doaj.org/article/8ade784b66ec4923bc5ead47430c410f
Autor:
Yang-Ki Hong, Hoyun Won, Gary Mankey, Minyeong Choi, Chang-Dong Yeo, Woncheol Lee, Nayem Mohammed Reza Shah, Jan-Ulrich Thiele, Myung-Hwa Jung
Publikováno v:
IEEE Transactions on Magnetics. 57:1-6
In high-density magnetic recording media, magnetically isolated grains are required to increase the signal-to-noise ratio (SNR). Carbon can be used to isolate FePt grains enabling their grain size smaller than 4.3 nm. Carbon atoms segregate to the bo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37a2b6d9c5d36f92896fc3c4aba1f398
https://doi.org/10.1109/tmag.2021.3079188
https://doi.org/10.1109/tmag.2021.3079188
Autor:
Drew Taylor, Yang-Ki Hong, Minyeong Choi, Briana Bryant, Joohan Lee, Abhishek Kumar Awasthi, Linfeng Li, Natalie Nickerson, Hoyun Won, Charles O'Neill, Stephen Yan
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 20:883-887
This letter presents a simple, lightweight, and ultrawideband, the very high frequency/ultrahigh frequency (VHF/UHF) open-sleeve dipole antenna array for airborne ice measuring radar. The proposed antenna array achieves a wide bandwidth of 300 MHz vi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::937738d290e4b03f1f5b6a66ca3d4920
https://doi.org/10.1109/lawp.2021.3066288
https://doi.org/10.1109/lawp.2021.3066288