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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202101524
|2 doi
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|a pubmed25n1096.xml
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|a (DE-627)NLM32907511X
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|a (NLM)34363253
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Brock, Jeffrey A
|e verfasserin
|4 aut
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| 245 |
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|a Dynamic Symmetry Breaking in Chiral Magnetic Systems
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|c 2021
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 04.10.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 Wiley-VCH GmbH.
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|a The Dzyaloshinskii-Moriya interaction (DMI) in magnetic systems stabilizes spin textures with preferred chirality, applicable to next-generation memory and computing architectures. In perpendicularly magnetized heavy-metal/ferromagnet films, the interfacial DMI originating from structural inversion asymmetry and strong spin-orbit coupling favors chiral Néel-type domain walls (DWs) whose energetics and mobility remain at issue. Here, a new effect is characterized in which domains expand unidirectionally in response to a combination of out-of-plane and in-plane magnetic fields, with the growth direction controlled by the in-plane field strength. These growth directionalities and symmetries with applied fields cannot be understood from static treatments alone. The authors theoretically demonstrate that perpendicular field torques stabilize steady-state magnetization profiles highly asymmetric in elastic energy, resulting in a dynamic symmetry breaking consistent with the experimental findings. This phenomenon sheds light on the mechanisms governing the dynamics of Néel-type DWs and expands the utility of field-driven DW motion to probe and control chiral DWs
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|a Journal Article
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|a Dzyaloshinskii-Moriya interactions
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|a chiral domain walls
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| 650 |
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4 |
|a magnetic thin films
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| 700 |
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|a Kitcher, Michael D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vallobra, Pierre
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Medapalli, Rajasekhar
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Maxwell P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a De Graef, Marc
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Riley, Grant A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nembach, Hans T
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mangin, Stéphane
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sokalski, Vincent
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fullerton, Eric E
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 33(2021), 39 vom: 20. Okt., Seite e2101524
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:33
|g year:2021
|g number:39
|g day:20
|g month:10
|g pages:e2101524
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|u http://dx.doi.org/10.1002/adma.202101524
|3 Volltext
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