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Träfflista för sökning "WFRF:(Chatzigeorgiou Evanthia) "

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  • Result 1-6 of 6
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  • Gopakumar, Geethanjali, et al. (author)
  • X-ray-induced attosecond ion-water electron dynamics of aqueous ions
  • Other publication (other academic/artistic)abstract
    • The foundation of many physical and chemical processes is the transfer of charge from one entity to another. In many cases, the charge transfer is mediated by electron transfer and due to the comparatively low mass of electrons, these processes tend to take place within a few femtoseconds or several attoseconds. We investigate the charge transfer from Na+, Mg2+ and Al3+ in an aqueous environment to neighbouring water molecules. In order to achieve this, we use the core-hole clock method and Auger spectroscopy upon 1s ionization of the respective ions. The charge transfer times range from several 100 as below the 1s ionization threshold to only 20 as far above the 1s ionization. The decrease in charge transfer times as a function of the photon energy seems to be continuous. Despite the ions being isoelectronic in our study, we nd differences in their charge transfer behaviour.
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4.
  • John Mukkattukavil, D., et al. (author)
  • Resonant inelastic soft x-ray scattering on LaPt 2 Si 2
  • 2022
  • In: Journal of physics. Condensed matter : an Institute of Physics journal. - 1361-648X .- 0953-8984. ; 34:32
  • Journal article (peer-reviewed)abstract
    • X-ray absorption and resonant inelastic x-ray scattering spectra of LaPt2Si2single crystal at the Si 2pand La 4dedges are presented. The data are interpreted in terms of density functional theory, showing that the Si spectra can be described in terms of Sisanddlocal partial density of states (LPDOS), and the La spectra are due to quasi-atomic local 4fexcitations. Calculations show that Ptd-LPDOS dominates the occupied states, and a sharp localized Lafstate is found in the unoccupied states, in line with the observations.
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5.
  • John Mukkattukavil, Deepak, et al. (author)
  • Resonant inelastic soft x-ray scattering on LaPt2Si2
  • 2022
  • In: Journal of Physics. - : IOP Publishing. - 0953-8984 .- 1361-648X. ; 34:32, s. 324003-
  • Journal article (peer-reviewed)abstract
    • X-ray absorption and resonant inelastic x-ray scattering spectra of LaPt2Si2 single crystal at the Si 2p and La 4d edges are presented. The data are interpreted in terms of density functional theory, showing that the Si spectra can be described in terms of Si s and d local partial density of states (LPDOS), and the La spectra are due to quasi-atomic local 4f excitations. Calculations show that Pt d-LPDOS dominates the occupied states, and a sharp localized La f state is found in the unoccupied states, in line with the observations.
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6.
  • Mukkattukavil, Deepak John, 1993-, et al. (author)
  • Resonant inelastic soft x-ray scattering on LaPt2Si2
  • 2022
  • In: Journal of Physics. - : Institute of Physics Publishing (IOPP). - 0953-8984 .- 1361-648X. ; 34:32
  • Journal article (peer-reviewed)abstract
    • X-ray absorption and resonant inelastic x-ray scattering spectra of LaPt2Si2 single crystal at the Si 2p and La 4d edges are presented. The data are interpreted in terms of density functional theory, showing that the Si spectra can be described in terms of Si s and d local partial density of states (LPDOS), and the La spectra are due to quasi-atomic local 4f excitations. Calculations show that Pt d-LPDOS dominates the occupied states, and a sharp localized La f state is found in the unoccupied states, in line with the observations.
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  • Result 1-6 of 6
Type of publication
journal article (3)
other publication (2)
conference paper (1)
Type of content
peer-reviewed (4)
other academic/artistic (2)
Author/Editor
Chatzigeorgiou, Evan ... (6)
Såthe, Conny (5)
Rubensson, Jan-Erik (4)
Ekholm, Victor (4)
Agåker, Marcus (3)
Hellsvik, Johan (3)
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Huang, Shih Wen (3)
Ghosh, Anirudha (3)
Wang, Qisi (3)
Björneholm, Olle (2)
Nordström, Lars (2)
Gråsjö, Johan, 1962- (2)
Månsson, Martin (2)
Nocerino, Elisabetta (2)
Chang, Johan (2)
Sassa, Yasmine (2)
Hossain, Zakir (2)
Thamizhavel, Arumugu ... (2)
von Arx, Karin (2)
Unger, Isaak (1)
Olovsson, Weine (1)
Öhrwall, G (1)
Chang, J (1)
Strømme, Maria, 1970 ... (1)
Caleman, Carl (1)
Månsson, Martin, As. ... (1)
Rubensson, J. -E. (1)
Århammar, Cecilia (1)
Céolin, D (1)
Winter, B. (1)
Sassa, Yasmine, 1981 (1)
Bittencourt, Rafael (1)
Yin, Zhong (1)
Ekholm, Victor, 1989 ... (1)
Dong, Minjie (1)
Harada, Yoshihisa (1)
Miyawaki, Jun (1)
Nordstrom, Lars (1)
Malerz, S (1)
Trinter, F (1)
Gopakumar, Geethanja ... (1)
Agaker, Marcus (1)
John Mukkattukavil, ... (1)
Nocerino, E. (1)
von Arx, Karin Maria ... (1)
Agaker, M. (1)
John Mukkattukavil, ... (1)
Mukkattukavil, Deepa ... (1)
Hossain, Zakir M (1)
Arumugam, Thamizhave ... (1)
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University
Uppsala University (4)
Royal Institute of Technology (1)
Stockholm University (1)
Lund University (1)
Chalmers University of Technology (1)
Language
English (6)
Research subject (UKÄ/SCB)
Natural sciences (6)

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