Atomically sharp domain walls in an antiferromagnet
(2022) In Science Advances 8(13).- Abstract
The interest in understanding scaling limits of magnetic textures such as domain walls spans the entire field of magnetism from its physical fundamentals to applications in information technologies. Here, we explore antiferromagnetic CuMnAs in which imaging by x-ray photoemission reveals the presence of magnetic textures down to nanoscale, reaching the detection limit of this established microscopy in antiferromagnets. We achieve atomic resolution by using differential phase-contrast imaging within aberration-corrected scanning transmission electron microscopy. We identify abrupt domain walls in the antiferromagnetic film corresponding to the Néel order reversal between two neighboring atomic planes. Our work stimulates research of... (More)
The interest in understanding scaling limits of magnetic textures such as domain walls spans the entire field of magnetism from its physical fundamentals to applications in information technologies. Here, we explore antiferromagnetic CuMnAs in which imaging by x-ray photoemission reveals the presence of magnetic textures down to nanoscale, reaching the detection limit of this established microscopy in antiferromagnets. We achieve atomic resolution by using differential phase-contrast imaging within aberration-corrected scanning transmission electron microscopy. We identify abrupt domain walls in the antiferromagnetic film corresponding to the Néel order reversal between two neighboring atomic planes. Our work stimulates research of magnetic textures at the ultimate atomic scale and sheds light on electrical and ultrafast optical antiferromagnetic devices with magnetic field–insensitive neuromorphic functionalities.
(Less)
- author
- organization
- publishing date
- 2022
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Science Advances
- volume
- 8
- issue
- 13
- article number
- 3535
- publisher
- American Association for the Advancement of Science (AAAS)
- external identifiers
-
- scopus:85127227497
- pmid:35353557
- ISSN
- 2375-2548
- DOI
- 10.1126/sciadv.abn3535
- language
- English
- LU publication?
- yes
- id
- f6fc7162-2a31-4e7b-bec0-2e52b9f0d532
- date added to LUP
- 2022-06-09 13:38:35
- date last changed
- 2024-09-21 00:23:01
@article{f6fc7162-2a31-4e7b-bec0-2e52b9f0d532, abstract = {{<p>The interest in understanding scaling limits of magnetic textures such as domain walls spans the entire field of magnetism from its physical fundamentals to applications in information technologies. Here, we explore antiferromagnetic CuMnAs in which imaging by x-ray photoemission reveals the presence of magnetic textures down to nanoscale, reaching the detection limit of this established microscopy in antiferromagnets. We achieve atomic resolution by using differential phase-contrast imaging within aberration-corrected scanning transmission electron microscopy. We identify abrupt domain walls in the antiferromagnetic film corresponding to the Néel order reversal between two neighboring atomic planes. Our work stimulates research of magnetic textures at the ultimate atomic scale and sheds light on electrical and ultrafast optical antiferromagnetic devices with magnetic field–insensitive neuromorphic functionalities.</p>}}, author = {{Krizek, Filip and Reimers, Sonka and Kašpar, Zdeněk and Marmodoro, Alberto and Michalička, Jan and Man, Ondřej and Edström, Alexander and Amin, Oliver J. and Edmonds, Kevin W. and Campion, Richard P. and Maccherozzi, Francesco and Dhesi, Samjeet S. and Zubáč, Jan and Kriegner, Dominik and Carbone, Dina and Železný, Jakub and Výborný, Karel and Olejník, Kamil and Novák, Vít and Rusz, Jan and Idrobo, Juan Carlos and Wadley, Peter and Jungwirth, Tomas}}, issn = {{2375-2548}}, language = {{eng}}, number = {{13}}, publisher = {{American Association for the Advancement of Science (AAAS)}}, series = {{Science Advances}}, title = {{Atomically sharp domain walls in an antiferromagnet}}, url = {{http://dx.doi.org/10.1126/sciadv.abn3535}}, doi = {{10.1126/sciadv.abn3535}}, volume = {{8}}, year = {{2022}}, }