Tracing charge transfer in argon dimers by XUV-pump IR-probe experiments at FLASH

Georg Schmid; Kirsten Schnorr; Sven Augustin; Severin Meister; Hannes Lindenblatt; Florian Trost; Yifan Liu; Tsveta Miteva; Mathieu Gisselbrecht; Stefan Düsterer; Harald Redlin; Rolf Treusch; Kirill Gokhberg; Alexander I. Kuleff; Lorenz S. Cederbaum; Claus Dieter Schröter; Thomas Pfeifer; Robert Moshammer

doi:10.1063/1.5116234

Tracing charge transfer in argon dimers by XUV-pump IR-probe experiments at FLASH

Georg Schmid, Kirsten Schnorr, Sven Augustin, Severin Meister, Hannes Lindenblatt, Florian Trost, Yifan Liu, Tsveta Miteva, Mathieu Gisselbrecht, Stefan Düsterer, Harald Redlin, Rolf Treusch, Kirill Gokhberg, Alexander I. Kuleff, Lorenz S. Cederbaum, Claus Dieter Schröter, Thomas Pfeifer, Robert Moshammer

Synchrotron Radiation Research

Research output: Contribution to journal › Article › peer-review

Abstract

Charge transfer (CT) at avoided crossings of excited ionized states of argon dimers is observed using a two-color pump-probe experiment at the free-electron laser in Hamburg (FLASH). The process is initiated by the absorption of three 27-eV-photons from the pump pulse, which leads to the population of Ar^2+*-Ar states. Due to nonadiabatic coupling between these one-site doubly ionized states and two-site doubly ionized states of the type Ar^+*-Ar⁺, CT can take place leading to the population of the latter states. The onset of this process is probed by a delayed infrared (800 nm) laser pulse. The latter ionizes the dimers populating repulsive Ar²⁺ -Ar⁺ states, which then undergo a Coulomb explosion. From the delay-dependent yields of the obtained Ar²⁺ and Ar⁺ ions, the lifetime of the charge-transfer process is extracted. The obtained experimental value of (531 ± 136) fs agrees well with the theoretical value computed from Landau-Zener probabilities.

Original language	English
Article number	084314
Journal	Journal of Chemical Physics
Volume	151
Issue number	8
DOIs	https://doi.org/10.1063/1.5116234
Publication status	Published - 2019 Aug 28

Subject classification (UKÄ)

Physical Chemistry (including Surface- and Colloid Chemistry)
Atom and Molecular Physics and Optics
Theoretical Chemistry (including Computational Chemistry)

Access to Document

10.1063/1.5116234

Cite this

Schmid, G., Schnorr, K., Augustin, S., Meister, S., Lindenblatt, H., Trost, F., Liu, Y., Miteva, T., Gisselbrecht, M., Düsterer, S., Redlin, H., Treusch, R., Gokhberg, K., Kuleff, A. I., Cederbaum, L. S., Schröter, C. D., Pfeifer, T., & Moshammer, R. (2019). Tracing charge transfer in argon dimers by XUV-pump IR-probe experiments at FLASH. Journal of Chemical Physics, 151(8), Article 084314. https://doi.org/10.1063/1.5116234

@article{3651190f66e047d18f1bd6fc7540d0b4,

title = "Tracing charge transfer in argon dimers by XUV-pump IR-probe experiments at FLASH",

abstract = "Charge transfer (CT) at avoided crossings of excited ionized states of argon dimers is observed using a two-color pump-probe experiment at the free-electron laser in Hamburg (FLASH). The process is initiated by the absorption of three 27-eV-photons from the pump pulse, which leads to the population of Ar2+*-Ar states. Due to nonadiabatic coupling between these one-site doubly ionized states and two-site doubly ionized states of the type Ar+*-Ar+, CT can take place leading to the population of the latter states. The onset of this process is probed by a delayed infrared (800 nm) laser pulse. The latter ionizes the dimers populating repulsive Ar2+ -Ar+ states, which then undergo a Coulomb explosion. From the delay-dependent yields of the obtained Ar2+ and Ar+ ions, the lifetime of the charge-transfer process is extracted. The obtained experimental value of (531 ± 136) fs agrees well with the theoretical value computed from Landau-Zener probabilities.",

author = "Georg Schmid and Kirsten Schnorr and Sven Augustin and Severin Meister and Hannes Lindenblatt and Florian Trost and Yifan Liu and Tsveta Miteva and Mathieu Gisselbrecht and Stefan D{\"u}sterer and Harald Redlin and Rolf Treusch and Kirill Gokhberg and Kuleff, {Alexander I.} and Cederbaum, {Lorenz S.} and Schr{\"o}ter, {Claus Dieter} and Thomas Pfeifer and Robert Moshammer",

year = "2019",

month = aug,

day = "28",

doi = "10.1063/1.5116234",

language = "English",

volume = "151",

journal = "Journal of Chemical Physics",

issn = "0021-9606",

publisher = "American Institute of Physics (AIP)",

number = "8",

}

Schmid, G, Schnorr, K, Augustin, S, Meister, S, Lindenblatt, H, Trost, F, Liu, Y, Miteva, T, Gisselbrecht, M, Düsterer, S, Redlin, H, Treusch, R, Gokhberg, K, Kuleff, AI, Cederbaum, LS, Schröter, CD, Pfeifer, T & Moshammer, R 2019, 'Tracing charge transfer in argon dimers by XUV-pump IR-probe experiments at FLASH', Journal of Chemical Physics, vol. 151, no. 8, 084314. https://doi.org/10.1063/1.5116234

TY - JOUR

T1 - Tracing charge transfer in argon dimers by XUV-pump IR-probe experiments at FLASH

AU - Schmid, Georg

AU - Schnorr, Kirsten

AU - Augustin, Sven

AU - Meister, Severin

AU - Lindenblatt, Hannes

AU - Trost, Florian

AU - Liu, Yifan

AU - Miteva, Tsveta

AU - Gisselbrecht, Mathieu

AU - Düsterer, Stefan

AU - Redlin, Harald

AU - Treusch, Rolf

AU - Gokhberg, Kirill

AU - Kuleff, Alexander I.

AU - Cederbaum, Lorenz S.

AU - Schröter, Claus Dieter

AU - Pfeifer, Thomas

AU - Moshammer, Robert

PY - 2019/8/28

Y1 - 2019/8/28

N2 - Charge transfer (CT) at avoided crossings of excited ionized states of argon dimers is observed using a two-color pump-probe experiment at the free-electron laser in Hamburg (FLASH). The process is initiated by the absorption of three 27-eV-photons from the pump pulse, which leads to the population of Ar2+*-Ar states. Due to nonadiabatic coupling between these one-site doubly ionized states and two-site doubly ionized states of the type Ar+*-Ar+, CT can take place leading to the population of the latter states. The onset of this process is probed by a delayed infrared (800 nm) laser pulse. The latter ionizes the dimers populating repulsive Ar2+ -Ar+ states, which then undergo a Coulomb explosion. From the delay-dependent yields of the obtained Ar2+ and Ar+ ions, the lifetime of the charge-transfer process is extracted. The obtained experimental value of (531 ± 136) fs agrees well with the theoretical value computed from Landau-Zener probabilities.

AB - Charge transfer (CT) at avoided crossings of excited ionized states of argon dimers is observed using a two-color pump-probe experiment at the free-electron laser in Hamburg (FLASH). The process is initiated by the absorption of three 27-eV-photons from the pump pulse, which leads to the population of Ar2+*-Ar states. Due to nonadiabatic coupling between these one-site doubly ionized states and two-site doubly ionized states of the type Ar+*-Ar+, CT can take place leading to the population of the latter states. The onset of this process is probed by a delayed infrared (800 nm) laser pulse. The latter ionizes the dimers populating repulsive Ar2+ -Ar+ states, which then undergo a Coulomb explosion. From the delay-dependent yields of the obtained Ar2+ and Ar+ ions, the lifetime of the charge-transfer process is extracted. The obtained experimental value of (531 ± 136) fs agrees well with the theoretical value computed from Landau-Zener probabilities.

U2 - 10.1063/1.5116234

DO - 10.1063/1.5116234

M3 - Article

C2 - 31470702

AN - SCOPUS:85071748258

SN - 0021-9606

VL - 151

JO - Journal of Chemical Physics

JF - Journal of Chemical Physics

IS - 8

M1 - 084314

ER -

Tracing charge transfer in argon dimers by XUV-pump IR-probe experiments at FLASH

Abstract

Subject classification (UKÄ)

Access to Document

Fingerprint

Cite this