Extended skyrmion lattice scattering and long-time memory in the chiral magnet Fe1-xCoxSi

Journal article (2016)

Authors

L.J. Bannenberg RST/Neutron and Positron Methods in Materials - AS
K. Kakurai RIKEN Center for Emergent Matter Science (CEMS), CROSS Tokai
F. Qian RST/Neutron and Positron Methods in Materials - AS
E Lelievre-Berna Institut Laue Langevin
C. D. Dewhurst Institut Laue Langevin
Y Onose University of Tokyo
Y. Endoh RIKEN Center for Emergent Matter Science (CEMS)
Y Tokura University of Tokyo, RIKEN Center for Emergent Matter Science (CEMS)
C. Pappas RST/Neutron and Positron Methods in Materials - AS
Research Group
RST/Neutron and Positron Methods in Materials (AS) (TU Delft)
Copyright: © 2016 L.J. Bannenberg, K. Kakurai, F. Qian, E. Lelièvre-Berna, C. D. Dewhurst, Y. Onose, Y. Endoh, Y Tokura, C. Pappas
DOI: https://doi.org/10.1103/PhysRevB.94.104406
More Info
expand_more

Published Date

06-09-2016

Language

English

Reuse Rights

Other than for strictly personal use, it is not permitted to download, forward or distribute the text or part of it, without the consent of the author(s) and/or copyright holder(s), unless the work is under an open content license such as Creative Commons.

Faculty

Applied Sciences

Department

RST/Radiation, Science and Technology

Research Group

RST/Neutron and Positron Methods in Materials

Abstract

Small angle neutron scattering measurements on a bulk single crystal of the doped chiral magnet Fe1-xCoxSi with x=0.3 reveal a pronounced effect of the magnetic history and cooling rates on the magnetic phase diagram. The extracted phase diagrams are qualitatively different for zero and field cooling and reveal a metastable skyrmion lattice phase outside the A phase for the latter case. These thermodynamically metastable skyrmion lattice correlations coexist with the conical phase and can be enhanced by increasing the cooling rate. They appear in a wide region of the phase diagram at temperatures below the A phase but also at fields considerably smaller or higher than the fields required to stabilize the A phase.

Files

PhysRevB.94.104406.pdf
(pdf | 4.26 Mb)
Unknown license