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Photoinduced structural dynamics of polar solids studied by femtosecond X‐ray diffraction

Photoinduced structural dynamics of polar solids studied by femtosecond X‐ray diffraction Femtosecond X‐ray diffraction allows for real‐time mapping of structural changes in condensed matter on atomic length and timescales. Sequences of diffraction patterns provide both transient geometries and charge‐density maps of crystalline materials. This article reviews recent progress in this field, the main emphasis being on experimental work done with laser‐driven hard X‐ray sources. Both Bragg diffraction techniques for bulk and nanostructured single crystals as well as the recently implemented powder diffraction from polycrystalline samples are discussed. In ferroelectric superlattice structures, coherent phonon motions and the driving stress mechanisms are observed in real time. In molecular crystals charge‐transfer processes and the concomitant changes of the lattice geometry are analyzed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Crystallographica Section A Foundations of Crystallography Wiley

Photoinduced structural dynamics of polar solids studied by femtosecond X‐ray diffraction

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References (46)

Publisher
Wiley
Copyright
Copyright © 2010 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0108-7673
eISSN
1600-5724
DOI
10.1107/S0108767309048181
pmid
20164640
Publisher site
See Article on Publisher Site

Abstract

Femtosecond X‐ray diffraction allows for real‐time mapping of structural changes in condensed matter on atomic length and timescales. Sequences of diffraction patterns provide both transient geometries and charge‐density maps of crystalline materials. This article reviews recent progress in this field, the main emphasis being on experimental work done with laser‐driven hard X‐ray sources. Both Bragg diffraction techniques for bulk and nanostructured single crystals as well as the recently implemented powder diffraction from polycrystalline samples are discussed. In ferroelectric superlattice structures, coherent phonon motions and the driving stress mechanisms are observed in real time. In molecular crystals charge‐transfer processes and the concomitant changes of the lattice geometry are analyzed.

Journal

Acta Crystallographica Section A Foundations of CrystallographyWiley

Published: Jan 1, 2010

Keywords: ; ; ; ;

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