Probing photoinduced rearrangements in the NdNi O3 magnetic spiral with polarization-sensitive ultrafast resonant soft x-ray scattering

K. R. Beyerlein; A. S. Disa; M. Först; M. Henstridge; T. Gebert; T. Forrest; A. Fitzpatrick; C. Dominguez; J. Fowlie; M. Gibert; J. M. Triscone; S. S. Dhesi; A. Cavalleri

doi:10.1103/PhysRevB.102.014311

Probing photoinduced rearrangements in the NdNi O3 magnetic spiral with polarization-sensitive ultrafast resonant soft x-ray scattering

K. R. Beyerlein, A. S. Disa, M. Först, M. Henstridge, T. Gebert, T. Forrest, A. Fitzpatrick, C. Dominguez, J. Fowlie, M. Gibert, J. M. Triscone, S. S. Dhesi, A. Cavalleri

Materials Science and Engineering

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7 Scopus citations

Abstract

We use resonant soft x-ray diffraction to track the photoinduced dynamics of the antiferromagnetic structure in a NdNiO3 thin film. Femtosecond laser pulses with a photon energy of 0.61 eV, resonant with electron transfer between long-bond and short-bond nickel sites, are used to excite the material and drive an ultrafast insulator-metal transition. Polarization-sensitive soft x-ray diffraction, resonant to the nickel L3 edge, then probes the evolution of the underlying magnetic spiral as a function of time delay with 80 ps time resolution. By modeling the azimuthal dependence of the scattered intensity for different linear x-ray polarizations, we benchmark the changes of the local magnetic moments and the spin alignment. The measured changes are consistent with a reduction of the long-bond site magnetic moments and an alignment of the spins towards a more collinear structure at early time delays.

Original language	English (US)
Article number	014311
Journal	Physical Review B
Volume	102
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevB.102.014311
State	Published - Jul 1 2020

Funding

This work was supported by the European Research Council (ERC) Grant No. 319286 (Q-MAC) and the Swiss National Science Foundation through Division II. Additional funding was provided by Cluster of Excellence “CUI: Advanced Imaging of Matter” of the Deutsche Forschungsgemeinschaft (DFG), EXC 2056, Project ID 390715994. A.S.D. was supported by a fellowship from the Alexander von Humboldt Foundation. We thank Diamond Light Source for provision of beamtime under Proposal No. SI17605-2.

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.102.014311

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Beyerlein, K. R., Disa, A. S., Först, M., Henstridge, M., Gebert, T., Forrest, T., Fitzpatrick, A., Dominguez, C., Fowlie, J., Gibert, M., Triscone, J. M., Dhesi, S. S., & Cavalleri, A. (2020). Probing photoinduced rearrangements in the NdNi O3 magnetic spiral with polarization-sensitive ultrafast resonant soft x-ray scattering. Physical Review B, 102(1), Article 014311. https://doi.org/10.1103/PhysRevB.102.014311

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title = "Probing photoinduced rearrangements in the NdNi O3 magnetic spiral with polarization-sensitive ultrafast resonant soft x-ray scattering",

abstract = "We use resonant soft x-ray diffraction to track the photoinduced dynamics of the antiferromagnetic structure in a NdNiO3 thin film. Femtosecond laser pulses with a photon energy of 0.61 eV, resonant with electron transfer between long-bond and short-bond nickel sites, are used to excite the material and drive an ultrafast insulator-metal transition. Polarization-sensitive soft x-ray diffraction, resonant to the nickel L3 edge, then probes the evolution of the underlying magnetic spiral as a function of time delay with 80 ps time resolution. By modeling the azimuthal dependence of the scattered intensity for different linear x-ray polarizations, we benchmark the changes of the local magnetic moments and the spin alignment. The measured changes are consistent with a reduction of the long-bond site magnetic moments and an alignment of the spins towards a more collinear structure at early time delays.",

author = "Beyerlein, {K. R.} and Disa, {A. S.} and M. F{\"o}rst and M. Henstridge and T. Gebert and T. Forrest and A. Fitzpatrick and C. Dominguez and J. Fowlie and M. Gibert and Triscone, {J. M.} and Dhesi, {S. S.} and A. Cavalleri",

note = "Publisher Copyright: {\textcopyright} 2020 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the {"}https://creativecommons.org/licenses/by/4.0/{"}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.",

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doi = "10.1103/PhysRevB.102.014311",

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Beyerlein, KR, Disa, AS, Först, M, Henstridge, M, Gebert, T, Forrest, T, Fitzpatrick, A, Dominguez, C, Fowlie, J, Gibert, M, Triscone, JM, Dhesi, SS & Cavalleri, A 2020, 'Probing photoinduced rearrangements in the NdNi O3 magnetic spiral with polarization-sensitive ultrafast resonant soft x-ray scattering', Physical Review B, vol. 102, no. 1, 014311. https://doi.org/10.1103/PhysRevB.102.014311

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AU - Henstridge, M.

AU - Gebert, T.

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AU - Fowlie, J.

AU - Gibert, M.

AU - Triscone, J. M.

AU - Dhesi, S. S.

AU - Cavalleri, A.

N1 - Publisher Copyright: © 2020 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"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.

PY - 2020/7/1

Y1 - 2020/7/1

N2 - We use resonant soft x-ray diffraction to track the photoinduced dynamics of the antiferromagnetic structure in a NdNiO3 thin film. Femtosecond laser pulses with a photon energy of 0.61 eV, resonant with electron transfer between long-bond and short-bond nickel sites, are used to excite the material and drive an ultrafast insulator-metal transition. Polarization-sensitive soft x-ray diffraction, resonant to the nickel L3 edge, then probes the evolution of the underlying magnetic spiral as a function of time delay with 80 ps time resolution. By modeling the azimuthal dependence of the scattered intensity for different linear x-ray polarizations, we benchmark the changes of the local magnetic moments and the spin alignment. The measured changes are consistent with a reduction of the long-bond site magnetic moments and an alignment of the spins towards a more collinear structure at early time delays.

AB - We use resonant soft x-ray diffraction to track the photoinduced dynamics of the antiferromagnetic structure in a NdNiO3 thin film. Femtosecond laser pulses with a photon energy of 0.61 eV, resonant with electron transfer between long-bond and short-bond nickel sites, are used to excite the material and drive an ultrafast insulator-metal transition. Polarization-sensitive soft x-ray diffraction, resonant to the nickel L3 edge, then probes the evolution of the underlying magnetic spiral as a function of time delay with 80 ps time resolution. By modeling the azimuthal dependence of the scattered intensity for different linear x-ray polarizations, we benchmark the changes of the local magnetic moments and the spin alignment. The measured changes are consistent with a reduction of the long-bond site magnetic moments and an alignment of the spins towards a more collinear structure at early time delays.

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Probing photoinduced rearrangements in the NdNi O3 magnetic spiral with polarization-sensitive ultrafast resonant soft x-ray scattering

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