Nonlinear Ultrafast Spin Scattering in the Skyrmion Phase of
Abstract
Ultrafast x-ray scattering studies of the topological Skyrmion phase in Cu2OSeO3 show the dynamics to be strongly dependent on the excitation energy and fluence. At high photon energies, where the electron-spin scattering cross section is relatively high, the excitation of the topological Skyrmion phase shows a nonlinear dependence on the excitation fluence, in contrast to the excitation of the conical phase which is linearly dependent on the excitation fluence. Finally, the excitation of the Skyrmion order parameter is nonlinear in the magnetic excitation resulting from scattering during electron-hole recombination, indicating different dominant scattering processes in the conical and Skyrmion phases.
- Authors:
-
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
- SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS)
- RIKEN, Wako (Japan); PRESTO, Japan Science and Technology Agency, Tokyo (Japan)
- RIKEN, Wako (Japan); Univ. of Tokyo (Japan)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS)
- Publication Date:
- Research Org.:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1607719
- Alternate Identifier(s):
- OSTI ID: 1380008
- Grant/Contract Number:
- AC02-05CH11231; AC02-76SF00515
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 119; Journal Issue: 10; 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; Skyrmions; Resonant elastic x-ray scattering; Ultrafast pump-probe
Citation Formats
Langner, M. C., Roy, S., Huang, S. W., Koralek, J. D., Chuang, Y. -D., Dakovski, G. L., Turner, J. J., Robinson, J. S., Coffee, R. N., Minitti, M. P., Seki, S., Tokura, Y., and Schoenlein, R. W. Nonlinear Ultrafast Spin Scattering in the Skyrmion Phase of Cu2OSeO3. United States: N. p., 2017.
Web. doi:10.1103/PhysRevLett.119.107204.
Langner, M. C., Roy, S., Huang, S. W., Koralek, J. D., Chuang, Y. -D., Dakovski, G. L., Turner, J. J., Robinson, J. S., Coffee, R. N., Minitti, M. P., Seki, S., Tokura, Y., & Schoenlein, R. W. Nonlinear Ultrafast Spin Scattering in the Skyrmion Phase of Cu2OSeO3. United States. https://doi.org/10.1103/PhysRevLett.119.107204
Langner, M. C., Roy, S., Huang, S. W., Koralek, J. D., Chuang, Y. -D., Dakovski, G. L., Turner, J. J., Robinson, J. S., Coffee, R. N., Minitti, M. P., Seki, S., Tokura, Y., and Schoenlein, R. W. Thu .
"Nonlinear Ultrafast Spin Scattering in the Skyrmion Phase of Cu2OSeO3". United States. https://doi.org/10.1103/PhysRevLett.119.107204. https://www.osti.gov/servlets/purl/1607719.
@article{osti_1607719,
title = {Nonlinear Ultrafast Spin Scattering in the Skyrmion Phase of Cu2OSeO3},
author = {Langner, M. C. and Roy, S. and Huang, S. W. and Koralek, J. D. and Chuang, Y. -D. and Dakovski, G. L. and Turner, J. J. and Robinson, J. S. and Coffee, R. N. and Minitti, M. P. and Seki, S. and Tokura, Y. and Schoenlein, R. W.},
abstractNote = {Ultrafast x-ray scattering studies of the topological Skyrmion phase in Cu2OSeO3 show the dynamics to be strongly dependent on the excitation energy and fluence. At high photon energies, where the electron-spin scattering cross section is relatively high, the excitation of the topological Skyrmion phase shows a nonlinear dependence on the excitation fluence, in contrast to the excitation of the conical phase which is linearly dependent on the excitation fluence. Finally, the excitation of the Skyrmion order parameter is nonlinear in the magnetic excitation resulting from scattering during electron-hole recombination, indicating different dominant scattering processes in the conical and Skyrmion phases.},
doi = {10.1103/PhysRevLett.119.107204},
journal = {Physical Review Letters},
number = 10,
volume = 119,
place = {United States},
year = {Thu Sep 07 00:00:00 EDT 2017},
month = {Thu Sep 07 00:00:00 EDT 2017}
}
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