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Ultrafast X-ray Spectroscopy

A special issue of Molecules (ISSN 1420-3049).

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 3104

Special Issue Editors


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Guest Editor
Division of Theoretical Chemistry and Biology, The Royal Institute of Technology (KTH), Stockholm, Sweden
Interests: X-ray spectroscopy; ultrafast nuclear dynamics; core excitation and ionization; resonant X-ray scattering, synchrotron radiation; X-ray free electron laser; X-ray pump-probe spectroscopy; free molecules and molecular clusters

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Guest Editor
Division of Theoretical Chemistry and Biology, The Royal Institute of Technology (KTH), Stockholm, Sweden
Interests: ultrafast photoinduced molecular dynamics; photochemistry; time-resolved X-ray diffraction and spectroscopy techniques

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Guest Editor
Division of Theoretical Chemistry and Biology, The Royal Institute of Technology (KTH), Stockholm, Sweden
Interests: X-ray spectroscopy; core excitation and ionization; time-resolved XES; simultaneous XES and XRD; XFEL experimens

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Guest Editor
Quantum Mechanics Division, Nicolaus Copernicus University in Toruń, Toruń, Poland
Interests: X-ray spectroscopy; core-excited states; core-excited state dynamics; photoionization; organic photovoltaics

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Guest Editor
Department of Chemistry, Sapienza University of Rome, Rome, Italy
Interests: X-ray photoemission spectroscopy (XPS); near-edge X-ray absorption fine structure spectroscopy (NEXAFS); time-resolved photoemission spectroscopy (TRPES); organo-photocatalysts; photo-induced reactions mechanisms

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Guest Editor
Laboratory of Chemical Physics - Matter and Radiation (LCPMR), CNRS, Sorbonne University, Paris, France
Interests: X-ray spectroscopy; ultrafast nuclear dynamics; core excitation and ionization; resonant Auger spectroscopy; electron-photoion(s) coincidence spectroscopy

Special Issue Information

Dear Colleagues,

It is our great pleasure to invite you to submit an article for the Special Issue of Molecules, titled “Ultrafast X-ray spectroscopy”.

The recent development of a new generation of X-ray radiation sources and the great improvement in time and spectral resolution of experimental instruments can open up new qualitative possibilities for studying nature in unprecedented detail, with sub-femtosecond and sub-nanometer precision. Ultrafast photoinduced electronic and nuclear dynamics, which can be uncovered with the help of X-ray spectroscopy, lies in the basics of chemical reaction control, advances of material science and technology, as well as fundamental understanding of non-linear light–matter interaction.

This Special Issue invites contributions of recent advanced theoretical and experimental studies of various ultrafast processes (electronic, nuclear, or structural dynamics) in different systems ranging from single molecules to molecular clusters, molecular liquids, and condensed matter using X-rays as the main tool.

Dr. Victor V. Kimberg
Dr. Nanna Holmgaard List
Dr. Thomas Fransson
Dr. Iulia Brumboiu
Dr. Valeria Lanzilotto
Dr. Oksana Travnikova
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • ultrafast dynamics
  • photochemistry
  • X-ray absorption and emission
  • resonant X-ray scattering
  • transient X-ray spectroscopy
  • X-ray pump–probe
  • time-resolved X-ray diffraction

Published Papers (2 papers)

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Research

16 pages, 1102 KiB  
Article
Theoretical Description of Attosecond X-ray Absorption Spectroscopy of Frenkel Exciton Dynamics
by Tim Hansen, Tatiana Bezriadina and Daria Popova-Gorelova
Molecules 2023, 28(11), 4502; https://doi.org/10.3390/molecules28114502 - 01 Jun 2023
Cited by 1 | Viewed by 1297
Abstract
Frenkel excitons are responsible for the transport of light energy in many molecular systems. Coherent electron dynamics govern the initial stage of Frenkel-exciton transfer. Capability to follow coherent exciton dynamics in real time will help to reveal their actual contribution to the efficiency [...] Read more.
Frenkel excitons are responsible for the transport of light energy in many molecular systems. Coherent electron dynamics govern the initial stage of Frenkel-exciton transfer. Capability to follow coherent exciton dynamics in real time will help to reveal their actual contribution to the efficiency of light-harvesting. Attosecond X-ray pulses are the tool with the necessary temporal resolution to resolve pure electronic processes with atomic sensitivity. We describe how attosecond X-ray pulses can probe coherent electronic processes during Frenkel-exciton transport in molecular aggregates. We analyze time-resolved absorption cross section taking broad spectral bandwidth of an attosecond pulse into account. We demonstrate that attosecond X-ray absorption spectra can reveal delocalization degree of coherent exciton transfer dynamics. Full article
(This article belongs to the Special Issue Ultrafast X-ray Spectroscopy)
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14 pages, 1496 KiB  
Article
Time and Angle-Resolved Time-of-Flight Electron Spectroscopy for Functional Materials Science
by Nomi Lucia Ada Nathalie Sorgenfrei, Erika Giangrisostomi, Danilo Kühn, Ruslan Ovsyannikov and Alexander Föhlisch
Molecules 2022, 27(24), 8833; https://doi.org/10.3390/molecules27248833 - 13 Dec 2022
Viewed by 1177
Abstract
Electron spectroscopy with the unprecedented transmission of angle-resolved time-of-flight detection, in combination with pulsed X-ray sources, brings new impetus to functional materials science. We showcase recent developments towards chemical sensitivity from electron spectroscopy for chemical analysis and structural information from photoelectron diffraction using [...] Read more.
Electron spectroscopy with the unprecedented transmission of angle-resolved time-of-flight detection, in combination with pulsed X-ray sources, brings new impetus to functional materials science. We showcase recent developments towards chemical sensitivity from electron spectroscopy for chemical analysis and structural information from photoelectron diffraction using the phase transition properties of 1T-TaS2. Our development platform is the SurfaceDynamics instrument located at the Femtoslicing facility at BESSY II, where femtosecond and picosecond X-ray pulses can be generated and extracted. The scientific potential is put into perspective to the current rapidly developing pulsed X-ray source capabilities from Lasers and Free-Electron Lasers. Full article
(This article belongs to the Special Issue Ultrafast X-ray Spectroscopy)
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