• Open Access

Critical sample aspect ratio and magnetic field dependence for antiskyrmion formation in Mn1.4PtSn single crystals

B. E. Zuniga Cespedes, P. Vir, P. Milde, C. Felser, and L. M. Eng
Phys. Rev. B 103, 184411 – Published 12 May 2021
PDFHTMLExport Citation

Abstract

Mn1.4PtSn is the first material in which antiskyrmions have been observed in ultrathin single-crystalline specimens. While bulk crystals exhibit fractal patterns of purely ferromagnetic domain ordering at room temperature, ultrathin Mn1.4PtSn lamellae clearly show antiskyrmion lattices with lattice spacings up to several μm. In the paper presented here, we systematically investigate the thickness region from 400 nm to 10 μm using 100×100μm2 wide Mn1.4PtSn plates, and identify the critical thickness-to-width aspect ratio α0=0.044 for the ferromagnetic fractal domain to the noncollinear texture phase transition. Additionally, we also explore these noncollinear magnetic textures below the critical aspect ratio α0 above and below the spin-reorientation transition temperature TSR while applying variable external magnetic fields. What we find is a strong hysteresis for the occurrence of an antiskyrmion lattice, since the antiskyrmions preferentially nucleate by pinching them off from helical stripes in the transition to the field polarized state.

  • Figure
  • Figure
  • Figure
  • Received 20 November 2020
  • Revised 26 March 2021
  • Accepted 27 April 2021

DOI:https://doi.org/10.1103/PhysRevB.103.184411

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Open access publication funded by the Max Planck Society.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

B. E. Zuniga Cespedes1,2, P. Vir2, P. Milde1, C. Felser2,3, and L. M. Eng1,3

  • 1Institute of Applied Physics, Technische Universität Dresden, D-01069 Dresden, Germany
  • 2Max Planck Institute for Chemical Physics of Solids, D-01187 Dresden, Germany
  • 3ct.qmat, Dresden-Würzburg Cluster of Excellence, EXC 2147, Technische Universität Dresden, 01062 Dresden, Germany

Article Text

Click to Expand

Supplemental Material

Click to Expand

References

Click to Expand
Issue

Vol. 103, Iss. 18 — 1 May 2021

Reuse & Permissions
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review B

Reuse & Permissions

It is not necessary to obtain permission to reuse this article or its components as it is available under the terms of the Creative Commons Attribution 4.0 International license. This license permits unrestricted use, distribution, and reproduction in any medium, provided attribution to the author(s) and the published article's title, journal citation, and DOI are maintained. Please note that some figures may have been included with permission from other third parties. It is your responsibility to obtain the proper permission from the rights holder directly for these figures.

×

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×