Spin-state studies with XES and RIXS: From static to ultrafast

G. Vanko; A. Bordage; P. Glatzel; E. Gallo; M. Rovezzi; W. Gawelda; A. Galler; C. Bressler; G. Doumy; Martin Kristoffer Haldrup; Tim Brandt van Driel; Martin Meedom Nielsen; Kasper Skov Kjær; Henrik Till Lemke

doi:10.1016/j.elspec.2012.09.012

Spin-state studies with XES and RIXS: From static to ultrafast

G. Vanko, A. Bordage, P. Glatzel, E. Gallo, M. Rovezzi, W. Gawelda, A. Galler, C. Bressler, G. Doumy, Martin Kristoffer Haldrup, Tim Brandt van Driel, Martin Meedom Nielsen, Kasper Skov Kjær, Henrik Till Lemke

Condensed Matter Physics

67 Citations (Scopus)

Abstract

We report on extending hard X-ray emission spectroscopy (XES) along with resonant inelastic X-ray scattering (RIXS) to study ultrafast phenomena in a pump-probe scheme at MHz repetition rates. The investigated systems include low-spin (LS) FeII complex compounds, where optical pulses induce a spinstate transition to their (sub)nanosecond-lived high-spin (HS) state. Time-resolved XES clearly reflects the spin-state variations with very high signal-to-noise ratio, in agreement with HS-LS difference spectra measured at thermal spin crossover, and reference HS-LS systems in static experiments, next to multiplet calculations. The 1s2p RIXS, measured at the Fe 1s pre-edge region, shows variations after laser excitation, which are consistent with the formation of the HS state. Our results demonstrate that X-ray spectroscopy experiments with overall rather weak signals, such as RIXS, can now be reliably exploited to study chemical and physical transformations on ultrafast time scales.

Original language	English
Journal	Journal of Electron Spectroscopy and Related Phenomena
Volume	188
Issue number	SI
Pages (from-to)	166-171
ISSN	0368-2048
DOIs	https://doi.org/10.1016/j.elspec.2012.09.012
Publication status	Published - 1 Jul 2013

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10.1016/j.elspec.2012.09.012

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Vanko, G., Bordage, A., Glatzel, P., Gallo, E., Rovezzi, M., Gawelda, W., Galler, A., Bressler, C., Doumy, G., Haldrup, M. K., Brandt van Driel, T., Nielsen, M. M., Kjær, K. S., & Lemke, H. T. (2013). Spin-state studies with XES and RIXS: From static to ultrafast. Journal of Electron Spectroscopy and Related Phenomena, 188(SI), 166-171. https://doi.org/10.1016/j.elspec.2012.09.012

Vanko, G, Bordage, A, Glatzel, P, Gallo, E, Rovezzi, M, Gawelda, W, Galler, A, Bressler, C, Doumy, G, Haldrup, MK, Brandt van Driel, T, Nielsen, MM, Kjær, KS & Lemke, HT 2013, 'Spin-state studies with XES and RIXS: From static to ultrafast', Journal of Electron Spectroscopy and Related Phenomena, vol. 188, no. SI, pp. 166-171. https://doi.org/10.1016/j.elspec.2012.09.012

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title = "Spin-state studies with XES and RIXS: From static to ultrafast",

abstract = "We report on extending hard X-ray emission spectroscopy (XES) along with resonant inelastic X-ray scattering (RIXS) to study ultrafast phenomena in a pump-probe scheme at MHz repetition rates. The investigated systems include low-spin (LS) FeII complex compounds, where optical pulses induce a spinstate transition to their (sub)nanosecond-lived high-spin (HS) state. Time-resolved XES clearly reflects the spin-state variations with very high signal-to-noise ratio, in agreement with HS-LS difference spectra measured at thermal spin crossover, and reference HS-LS systems in static experiments, next to multiplet calculations. The 1s2p RIXS, measured at the Fe 1s pre-edge region, shows variations after laser excitation, which are consistent with the formation of the HS state. Our results demonstrate that X-ray spectroscopy experiments with overall rather weak signals, such as RIXS, can now be reliably exploited to study chemical and physical transformations on ultrafast time scales.",

author = "G. Vanko and A. Bordage and P. Glatzel and E. Gallo and M. Rovezzi and W. Gawelda and A. Galler and C. Bressler and G. Doumy and Haldrup, {Martin Kristoffer} and {Brandt van Driel}, Tim and Nielsen, {Martin Meedom} and Kj{\ae}r, {Kasper Skov} and Lemke, {Henrik Till}",

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doi = "10.1016/j.elspec.2012.09.012",

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T1 - Spin-state studies with XES and RIXS

T2 - From static to ultrafast

AU - Vanko, G.

AU - Bordage, A.

AU - Glatzel, P.

AU - Gallo, E.

AU - Rovezzi, M.

AU - Gawelda, W.

AU - Galler, A.

AU - Bressler, C.

AU - Doumy, G.

AU - Haldrup, Martin Kristoffer

AU - Brandt van Driel, Tim

AU - Nielsen, Martin Meedom

AU - Kjær, Kasper Skov

AU - Lemke, Henrik Till

PY - 2013/7/1

Y1 - 2013/7/1

N2 - We report on extending hard X-ray emission spectroscopy (XES) along with resonant inelastic X-ray scattering (RIXS) to study ultrafast phenomena in a pump-probe scheme at MHz repetition rates. The investigated systems include low-spin (LS) FeII complex compounds, where optical pulses induce a spinstate transition to their (sub)nanosecond-lived high-spin (HS) state. Time-resolved XES clearly reflects the spin-state variations with very high signal-to-noise ratio, in agreement with HS-LS difference spectra measured at thermal spin crossover, and reference HS-LS systems in static experiments, next to multiplet calculations. The 1s2p RIXS, measured at the Fe 1s pre-edge region, shows variations after laser excitation, which are consistent with the formation of the HS state. Our results demonstrate that X-ray spectroscopy experiments with overall rather weak signals, such as RIXS, can now be reliably exploited to study chemical and physical transformations on ultrafast time scales.

AB - We report on extending hard X-ray emission spectroscopy (XES) along with resonant inelastic X-ray scattering (RIXS) to study ultrafast phenomena in a pump-probe scheme at MHz repetition rates. The investigated systems include low-spin (LS) FeII complex compounds, where optical pulses induce a spinstate transition to their (sub)nanosecond-lived high-spin (HS) state. Time-resolved XES clearly reflects the spin-state variations with very high signal-to-noise ratio, in agreement with HS-LS difference spectra measured at thermal spin crossover, and reference HS-LS systems in static experiments, next to multiplet calculations. The 1s2p RIXS, measured at the Fe 1s pre-edge region, shows variations after laser excitation, which are consistent with the formation of the HS state. Our results demonstrate that X-ray spectroscopy experiments with overall rather weak signals, such as RIXS, can now be reliably exploited to study chemical and physical transformations on ultrafast time scales.

U2 - 10.1016/j.elspec.2012.09.012

DO - 10.1016/j.elspec.2012.09.012

M3 - Journal article

SN - 0368-2048

VL - 188

SP - 166

EP - 171

JO - Journal of Electron Spectroscopy and Related Phenomena

JF - Journal of Electron Spectroscopy and Related Phenomena

IS - SI

ER -

Spin-state studies with XES and RIXS: From static to ultrafast

Abstract

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