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Magnetic anisotropy in permalloy antidot square lattice

Autor: Wang, TY, Han, H-S, Su, C, Li, Q, Yang, M, Chao, Weilun, Zhang, Xixiang, Hwang, C, Zettl, A, Im, MY, Qiu, ZQ

Magnetic anisotropy of Permalloy (Py) antidot square lattice was investigated by torquemetry method using Rotation Magneto-Optic Kerr Effect (ROTMOKE). We find that there exists a field-dependent 4-fold magnetic anisotropy with the easy magnetization

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______325::440874e56d2d6f19cc26f3cf72409c53
https://escholarship.org/uc/item/8tv188fm

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Rare-Earth Permanent Magnet SmCo5 for Chiral Interfacial Spin-Orbitronics

Autor: Zhou, HA, Liu, J, Wang, Z, Zhang, Q, Xu, T, Dong, Y, Zhao, L, Je, SG, Im, MY, Xu, K, Zhu, J, Jiang, W

Publikováno v: Advanced Functional Materials, vol 31, iss 46

Interfacially asymmetric magnetic multilayers made of heavy metal/ferromagnet have attracted considerable attention in the spintronics community for accommodating spin-orbit torques (SOTs) and meanwhile for hosting chiral spin textures. In these mult

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______325::ac970ad0fef96c807d4dd77ade75f006
https://escholarship.org/uc/item/2cd4f266

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Stochasticity in the Switching of Nanodisks for Probabilistic Computing

Autor: Han, HS, Lee, S, Je, SG, Kang, M, Ok, HJ, Kim, N, Chao, W, Im, MY, Lee, KS

Publikováno v: ACS Applied Nano Materials, vol 4, iss 9

Stochasticity in magnetic nanodevices is an essential characteristic for harnessing these devices to computing based on population coding or the building blocks of probabilistic computing, p-bits. A magnetic tunneling junction (MTJ) consisting of a p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::c3b78b07753bb62ab386de88de5f42b4
https://escholarship.org/uc/item/80z264z9

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Topology-dependent stability of vortex-antivortex structures

Autor: Han, HS, Lee, S, Jung, MS, Kim, N, Chao, W, Yu, YS, Hong, JI, Lee, KS, Im, MY

Publikováno v: Applied Physics Letters, vol 118, iss 21

The non-trivial topology of magnetic structures such as vortices and skyrmions is considered as a key concept to explain the stability of those structures. The stability, dictated by non-trivial topology, provides great potential for device applicati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5c883b822601694a3d2162ef193526f9
https://escholarship.org/uc/item/3zf365j4

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Stochastic nature of magnetic processes studied by full-field soft X-ray microscopy

Autor: Im, MY

Publikováno v: Current Applied Physics, vol 18, iss 11
Im, MY. (2018). Stochastic nature of magnetic processes studied by full-field soft X-ray microscopy. Current Applied Physics, 18(11), 1174-1181. doi: 10.1016/j.cap.2018.05.004. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/0s1904pz

© 2018 Korean Physical Society In nanomagnetism, one of the crucial scientific questions is whether magnetic behaviors are deterministic or stochastic on a nanoscale. Apart from the exciting physical issue, this question is also of paramount highest

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::13ffa6c0d3b7ebf4612252ead7f0f5d1
https://escholarship.org/uc/item/0s1904pz

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Autonomous Magnetic Microrobots by Navigating Gates for Multiple Biomolecules Delivery

Autor: Hu, X, Lim, B, Torati, SR, Ding, J, Novosad, V, Im, MY, Reddy, V, Kim, K, Jung, E, Shawl, AI, Kim, E, Kim, CG

Publikováno v: Small (Weinheim an der Bergstrasse, Germany), vol 14, iss 25
Hu, X; Lim, B; Torati, SR; Ding, J; Novosad, V; Im, MY; et al.(2018). Autonomous Magnetic Microrobots by Navigating Gates for Multiple Biomolecules Delivery. Small, 14(25). doi: 10.1002/smll.201800504. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/4j2762z9

© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim The precise delivery of biofunctionalized matters is of great interest from the fundamental and applied viewpoints. In spite of significant progress achieved during the last decade, a parallel and au

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::88fb4489694066b90631cc0316122cb4
https://escholarship.org/uc/item/4j2762z9

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Magnetism of the hypo-oxide state at the diffuse interface between the ferromagnet and antiferromagnet phases

Autor: Jung, MS, Im, MY, Lee, BH, Kim, N, Lee, KS, Hong, JI

Publikováno v: Nanoscale, vol 9, iss 37
Jung, MS; Im, MY; Lee, BH; Kim, N; Lee, KS; & Hong, JI. (2017). Magnetism of the hypo-oxide state at the diffuse interface between the ferromagnet and antiferromagnet phases. Nanoscale, 9(37), 14023-14030. doi: 10.1039/c7nr05186g. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/05r2560b

© The Royal Society of Chemistry 2017. At the interface between ferromagnetic and antiferromagnetic phases, various spin configurations with a higher degrees of complexity than in the bulk states can be derived due to the diverse possible interface

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::3e838e7ad2f2c68129bad54a24386fde
https://escholarship.org/uc/item/05r2560b

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Ballistic rectification of vortex domain wall chirality at nanowire corners

Autor: Omari, K, Bradley, RC, Broomhall, TJ, Hodges, MPP, Rosamond, MC, Linfield, EH, Im, MY, Fischer, P, Hayward, TJ

Publikováno v: Omari, K; Bradley, RC; Broomhall, TJ; Hodges, MPP; Rosamond, MC; Linfield, EH; et al.(2015). Ballistic rectification of vortex domain wall chirality at nanowire corners. Applied Physics Letters, 107(22). doi: 10.1063/1.4936565. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/3vm0t95f

© 2015 AIP Publishing LLC. The interactions of vortex domain walls with corners in planar magnetic nanowires are probed using magnetic soft X-ray transmission microscopy. We show that when the domain walls are propagated into sharp corners using app

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::e9a60a8a3a84f747e3e9be2e53712885
https://eprints.whiterose.ac.uk/93148/1/1.4936565.pdf

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Quantitative x-ray magnetic circular dichroism mapping with high spatial resolution full-field magnetic transmission soft x-ray spectro-microscopy

Autor: Robertson, MJ, Agostino, CJ, N'Diaye, AT, Chen, G, Im, MY, Fischer, P

Publikováno v: Journal of Applied Physics, vol 117, iss 17
Robertson, MJ; Agostino, CJ; N'Diaye, AT; Chen, G; Im, MY; & Fischer, P. (2015). Quantitative x-ray magnetic circular dichroism mapping with high spatial resolution full-field magnetic transmission soft x-ray spectro-microscopy. Journal of Applied Physics, 117(17). doi: 10.1063/1.4918691. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/74p9p92s

© 2015 AIP Publishing LLC. The spectroscopic analysis of X-ray magnetic circular dichroism (XMCD), which serves as strong and element-specific magnetic contrast in full-field magnetic transmission soft x-ray microscopy, is shown to provide informati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::355afb94f8f114de49248f6419803136
https://escholarship.org/uc/item/74p9p92s

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Sub-nanosecond signal propagation in anisotropy-engineered nanomagnetic logic chains

Autor: Gu, Z, Nowakowski, ME, Carlton, DB, Storz, R, Im, MY, Hong, J, Chao, W, Lambson, B, Bennett, P, Alam, MT, Marcus, MA, Doran, A, Young, A, Scholl, A, Fischer, P, Bokor, J

Publikováno v: Gu, Z; Nowakowski, ME; Carlton, DB; Storz, R; Im, MY; Hong, J; et al.(2015). Sub-nanosecond signal propagation in anisotropy-engineered nanomagnetic logic chains. Nature Communications, 6. doi: 10.1038/ncomms7466. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/0jf3r6b2

© 2015 Macmillan Publishers Limited. All rights reserved. Energy efficient nanomagnetic logic (NML) computing architectures propagate binary information by relying on dipolar field coupling to reorient closely spaced nanoscale magnets. Signal propag

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______325::9bf208b0eb944cfcef56621adfdd97bc
http://www.escholarship.org/uc/item/0jf3r6b2

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