Face Centered Cubic and Hexagonal Close Packed Skyrmion Crystals in Centrosymmetric Magnets
Abstract
Skyrmions are disklike objects that typically form triangular crystals in two-dimensional systems. This situation is analogous to the so-called pancake vortices of quasi-two-dimensional superconductors. The way in which Skyrmion disks or “pancake Skyrmions” pile up in layered centrosymmetric materials is dictated by the interlayer exchange. Here, unbiased Monte Carlo simulations and simple stabilization arguments reveal face centered cubic and hexagonal close packed Skyrmion crystals for different choices of the interlayer exchange, in addition to the conventional triangular crystal of Skyrmion lines. Moreover, an inhomogeneous current induces a sliding motion of pancake Skyrmions, indicating that they behave as effective mesoscale particles.
- Authors:
-
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physics and Astronomy; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Condensed Matter Division and Shull-Wollan Center
- Publication Date:
- Research Org.:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE Laboratory Directed Research and Development (LDRD) Program
- OSTI Identifier:
- 1469539
- Alternate Identifier(s):
- OSTI ID: 1420368
- Report Number(s):
- LA-UR-17-26387
Journal ID: ISSN 0031-9007; PRLTAO
- Grant/Contract Number:
- AC52-06NA25396
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 120; Journal Issue: 7; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Material Science
Citation Formats
Lin, Shi-Zeng, and Batista, Cristian. Face Centered Cubic and Hexagonal Close Packed Skyrmion Crystals in Centrosymmetric Magnets. United States: N. p., 2018.
Web. doi:10.1103/PhysRevLett.120.077202.
Lin, Shi-Zeng, & Batista, Cristian. Face Centered Cubic and Hexagonal Close Packed Skyrmion Crystals in Centrosymmetric Magnets. United States. https://doi.org/10.1103/PhysRevLett.120.077202
Lin, Shi-Zeng, and Batista, Cristian. Tue .
"Face Centered Cubic and Hexagonal Close Packed Skyrmion Crystals in Centrosymmetric Magnets". United States. https://doi.org/10.1103/PhysRevLett.120.077202. https://www.osti.gov/servlets/purl/1469539.
@article{osti_1469539,
title = {Face Centered Cubic and Hexagonal Close Packed Skyrmion Crystals in Centrosymmetric Magnets},
author = {Lin, Shi-Zeng and Batista, Cristian},
abstractNote = {Skyrmions are disklike objects that typically form triangular crystals in two-dimensional systems. This situation is analogous to the so-called pancake vortices of quasi-two-dimensional superconductors. The way in which Skyrmion disks or “pancake Skyrmions” pile up in layered centrosymmetric materials is dictated by the interlayer exchange. Here, unbiased Monte Carlo simulations and simple stabilization arguments reveal face centered cubic and hexagonal close packed Skyrmion crystals for different choices of the interlayer exchange, in addition to the conventional triangular crystal of Skyrmion lines. Moreover, an inhomogeneous current induces a sliding motion of pancake Skyrmions, indicating that they behave as effective mesoscale particles.},
doi = {10.1103/PhysRevLett.120.077202},
journal = {Physical Review Letters},
number = 7,
volume = 120,
place = {United States},
year = {Tue Feb 13 00:00:00 EST 2018},
month = {Tue Feb 13 00:00:00 EST 2018}
}
Web of Science
Figures / Tables:
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Figures / Tables found in this record: