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Dynamic dependence to domain wall propagation through artificial spin ice

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Title: Dynamic dependence to domain wall propagation through artificial spin ice
Authors: Burn, DM
Chadha, M
Branford, WR
Item Type: Journal Article
Abstract: Domain wall propagation dynamics has been studied in nanostructured artificial kagome spin-ice structures. A stripline circuit has been used to provide localized pulsed magnetic fields within the artificial spin-ice (ASI) structure. This provides control of the system through electrically assisted domain wall nucleation events. Synchronization of the pulsed fields with additional global magnetic fields and the use of a focused magneto-optical Kerr effect magnetometer allows our experiments to probe the domain wall transit through an extended ASI structure. We find that the propagation distance depends on the driving field revealing field-driven properties of domain walls below their intrinsic nucleation field.
Issue Date: 15-Mar-2017
Date of Acceptance: 27-Feb-2017
URI: http://hdl.handle.net/10044/1/46001
DOI: https://dx.doi.org/10.1103/PhysRevB.95.104417
ISSN: 2469-9950
Publisher: American Physical Society
Journal / Book Title: PHYSICAL REVIEW B
Volume: 95
Issue: 10
Copyright Statement: © 2017 American Physical Society. Phys. Rev. B 95, 104417 – Published 15 March 2017
Sponsor/Funder: Engineering & Physical Science Research Council (EPSRC)
The Leverhulme Trust
Funder's Grant Number: EP/G004765/1
Keywords: Science & Technology
Physical Sciences
Physics, Condensed Matter
Fluids & Plasmas
02 Physical Sciences
03 Chemical Sciences
Publication Status: Published
Article Number: ARTN 104417
Appears in Collections:Physics
Experimental Solid State
Faculty of Natural Sciences