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Temperature dependence and Debye-Waller factors for resonant x-ray Raman scattering in solids
KTH, Superseded Departments, Biotechnology.
KTH, Superseded Departments, Chemistry.
KTH, Superseded Departments, Biotechnology.ORCID iD: 0000-0002-1763-9383
2000 (English)In: Physical Review B Condensed Matter, ISSN 0163-1829, E-ISSN 1095-3795, Vol. 62, no 21, p. 13996-14005Article in journal (Refereed) Published
Abstract [en]

Resonant x-ray Raman scattering is a strongly coherent process. The well defined phase relations between scattering channels through the core excited states localized at different atoms result in a conservation of the electronic crystal momentum. However, as we show here, the zero-point and thermal vibrations dephase these scattering channels and lead to incoherent contributions with different spectral shapes. The relative strength of the coherent and incoherent contributions are found to strongly depend on temperature via a Debye-Waller factor. This results in a characteristic temperature dependence of the spectral profile of the resonant x-ray Raman scattering.

Place, publisher, year, edition, pages
2000. Vol. 62, no 21, p. 13996-14005
Keywords [en]
MOLECULES, PHOTOEMISSION, INTERFERENCE, DISPERSION, EMISSION, POLYMERS, SPECTRA, STATES, DECAY
National Category
Theoretical Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-13638DOI: 10.1103/PhysRevB.62.13996ISI: 000165717200044OAI: oai:DiVA.org:kth-13638DiVA, id: diva2:326269
Note
QC 20100622Available from: 2010-06-22 Created: 2010-06-22 Last updated: 2017-12-12Bibliographically approved
In thesis
1. X-ray scattering by molecules, surface-adsorbates and solids with a coupling to the nuclear motion
Open this publication in new window or tab >>X-ray scattering by molecules, surface-adsorbates and solids with a coupling to the nuclear motion
2000 (English)Licentiate thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2000. p. vi, 36
National Category
Chemical Sciences
Identifiers
urn:nbn:se:kth:diva-1120 (URN)91-7170-556-2 (ISBN)
Note
QC 20100622Available from: 2000-09-26 Created: 2000-09-26 Last updated: 2010-06-22Bibliographically approved
2. Electronic and nuclear dynamics of X-ray processes
Open this publication in new window or tab >>Electronic and nuclear dynamics of X-ray processes
2001 (English)Doctoral thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2001. p. viii, 68
Keywords
resonant X-ray Raman scattering, nuclear dynamics, relaxation
National Category
Industrial Biotechnology
Identifiers
urn:nbn:se:kth:diva-3189 (URN)91-7283-095-6 (ISBN)
Public defence
2001-06-12, 00:00
Note
QC 20100628Available from: 2001-06-08 Created: 2001-06-08 Last updated: 2010-06-29Bibliographically approved

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Ågren, Hans

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