Ordering of room-temperature magnetic skyrmions in a polar van der Waals magnet

Meisenheimer, Peter; Zhang, Hongrui; Raftrey, David; Chen, Xiang; Shao, Yu-Tsun; Chan, Ying-Ting; Yalisove, Reed; Chen, Rui; Yao, Jie; Scott, Mary C.; Wu, Weida; Muller, David A.; Fischer, Peter; Birgeneau, Robert J.; Ramesh, Ramamoorthy

doi:10.1038/s41467-023-39442-0

Ordering of room-temperature magnetic skyrmions in a polar van der Waals magnet

Journal Article · Fri Jun 23 00:00:00 EDT 2023 · Nature Communications

DOI:https://doi.org/10.1038/s41467-023-39442-0· OSTI ID:1986367

; ; ; ; Shao, Yu-Tsun; Chan, Ying-Ting; Yalisove, Reed; Chen, Rui; ; ; ; ; ; ;

Abstract

Control and understanding of ensembles of skyrmions is important for realization of future technologies. In particular, the order-disorder transition associated with the 2D lattice of magnetic skyrmions can have significant implications for transport and other dynamic functionalities. To date, skyrmion ensembles have been primarily studied in bulk crystals, or as isolated skyrmions in thin film devices. Here, we investigate the condensation of the skyrmion phase at room temperature and zero field in a polar, van der Waals magnet. We demonstrate that we can engineer an ordered skyrmion crystal through structural confinement on the μ m scale, showing control over this order-disorder transition on scales relevant for device applications.

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: National Science Foundation (NSF); US Air Force Office of Scientific Research (AFOSR); USDOD; USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE)

Grant/Contract Number:: AC02-05CH11231; SC0018153

OSTI ID:: 1986367

Alternate ID(s):: OSTI ID: 2229338

Journal Information:: Nature Communications, Journal Name: Nature Communications Journal Issue: 1 Vol. 14; ISSN 2041-1723

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United Kingdom

Language:: English

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