Surface structure determination by x-ray standing waves at a free-electron laser

G. Mercurio (Corresponding Author), Igor A. Makhotkin, Igor Milov, Y. Kim, I. Zaluzhnyy, S. Dziarzhytski, L. Wenthaus, I. Vartanyants, W. Wurth

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Abstract

We demonstrate the structural sensitivity and accuracy of the standing wave technique at a high repetition rate free-electron laser, FLASH at DESY in Hamburg, by measuring the photoelectron yield from the surface SiO<sub>2</sub> of Mo/Si multilayers. These experiments open up the possibility to obtain unprecedented structural information of adsorbate and surface atoms with picometer spatial accuracy and femtosecond temporal resolution. This technique will substantially contribute to a fundamental understanding of chemical reactions at catalytic surfaces and the structural dynamics of superconductors.
Original languageEnglish
Article number033031
Number of pages13
JournalNew journal of physics
Volume21
Issue number3
DOIs
Publication statusPublished - 28 Mar 2019

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standing waves
free electron lasers
x rays
dynamic structural analysis
temporal resolution
repetition
chemical reactions
photoelectrons
sensitivity
atoms

Keywords

  • Free-electron lasers
  • Multilayers
  • X-ray standing waves

Cite this

Mercurio, G. ; Makhotkin, Igor A. ; Milov, Igor ; Kim, Y. ; Zaluzhnyy, I. ; Dziarzhytski, S. ; Wenthaus, L. ; Vartanyants, I. ; Wurth, W. / Surface structure determination by x-ray standing waves at a free-electron laser. In: New journal of physics. 2019 ; Vol. 21, No. 3.
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Mercurio, G, Makhotkin, IA, Milov, I, Kim, Y, Zaluzhnyy, I, Dziarzhytski, S, Wenthaus, L, Vartanyants, I & Wurth, W 2019, 'Surface structure determination by x-ray standing waves at a free-electron laser' New journal of physics, vol. 21, no. 3, 033031. https://doi.org/10.1088/1367-2630/aafa47

Surface structure determination by x-ray standing waves at a free-electron laser. / Mercurio, G. (Corresponding Author); Makhotkin, Igor A.; Milov, Igor ; Kim, Y.; Zaluzhnyy, I.; Dziarzhytski, S.; Wenthaus, L.; Vartanyants, I.; Wurth, W.

In: New journal of physics, Vol. 21, No. 3, 033031, 28.03.2019.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Surface structure determination by x-ray standing waves at a free-electron laser

AU - Mercurio, G.

AU - Makhotkin, Igor A.

AU - Milov, Igor

AU - Kim, Y.

AU - Zaluzhnyy, I.

AU - Dziarzhytski, S.

AU - Wenthaus, L.

AU - Vartanyants, I.

AU - Wurth, W.

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N2 - We demonstrate the structural sensitivity and accuracy of the standing wave technique at a high repetition rate free-electron laser, FLASH at DESY in Hamburg, by measuring the photoelectron yield from the surface SiO<sub>2</sub> of Mo/Si multilayers. These experiments open up the possibility to obtain unprecedented structural information of adsorbate and surface atoms with picometer spatial accuracy and femtosecond temporal resolution. This technique will substantially contribute to a fundamental understanding of chemical reactions at catalytic surfaces and the structural dynamics of superconductors.

AB - We demonstrate the structural sensitivity and accuracy of the standing wave technique at a high repetition rate free-electron laser, FLASH at DESY in Hamburg, by measuring the photoelectron yield from the surface SiO<sub>2</sub> of Mo/Si multilayers. These experiments open up the possibility to obtain unprecedented structural information of adsorbate and surface atoms with picometer spatial accuracy and femtosecond temporal resolution. This technique will substantially contribute to a fundamental understanding of chemical reactions at catalytic surfaces and the structural dynamics of superconductors.

KW - Free-electron lasers

KW - Multilayers

KW - X-ray standing waves

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