Surface Light Scattering Spectroscopy of the Gallium Liquid-Vapor Interface

Surface Light Scattering Spectroscopy of the Gallium Liquid-Vapor Interface Vladimir Kolevzon Abstract High frequency capillary waves at liquid Ga surface have been studied by means of quasielastic light scattering spectroscopy. The observed frequencies and damping constants of waves differed greatl...

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Main Author: Kolevzon, Vladimir
Other Authors: Forschungszentrum Rossendorf, Institut für Sicherheitsforschung
Format: Others
Language:English
Published: Forschungszentrum Dresden 2010
Online Access:http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-31647
http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-31647
http://www.qucosa.de/fileadmin/data/qucosa/documents/3164/508.pdf
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spelling ndltd-DRESDEN-oai-qucosa.de-bsz-d120-qucosa-316472013-01-07T19:53:05Z Surface Light Scattering Spectroscopy of the Gallium Liquid-Vapor Interface Kolevzon, Vladimir Surface Light Scattering Spectroscopy of the Gallium Liquid-Vapor Interface Vladimir Kolevzon Abstract High frequency capillary waves at liquid Ga surface have been studied by means of quasielastic light scattering spectroscopy. The observed frequencies and damping constants of waves differed greatly from classical theoretical treatment of liquid Ga surface as that of a simple liquid. This effect was explained due to the presence of the surface layer, possessing visco-elastic properties extracted, for the first time, from the fit of experimental spectra with an appropriate theoretical form. Negative value of the surface dilational viscosity has been derived for all wavenumbers studied. At high wavenumbers q the wave dispersion behavior is best likely linked to the weak coupling between dilational and capillary modes, while at low and moderate q the experimental data resemble to the mixed oscillations. This behavior is consistent with an influence of diffusion and adsorption on the waves propagation. Forschungszentrum Dresden Forschungszentrum Rossendorf, Institut für Sicherheitsforschung 2010-03-31 doc-type:report application/pdf http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-31647 urn:nbn:de:bsz:d120-qucosa-31647 http://www.qucosa.de/fileadmin/data/qucosa/documents/3164/508.pdf Forschungszentrum Rossendorf; FZR-124 eng dcterms:isPartOf:Wissenschaftlich-technische Berichte ; FZR-124
collection NDLTD
language English
format Others
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description Surface Light Scattering Spectroscopy of the Gallium Liquid-Vapor Interface Vladimir Kolevzon Abstract High frequency capillary waves at liquid Ga surface have been studied by means of quasielastic light scattering spectroscopy. The observed frequencies and damping constants of waves differed greatly from classical theoretical treatment of liquid Ga surface as that of a simple liquid. This effect was explained due to the presence of the surface layer, possessing visco-elastic properties extracted, for the first time, from the fit of experimental spectra with an appropriate theoretical form. Negative value of the surface dilational viscosity has been derived for all wavenumbers studied. At high wavenumbers q the wave dispersion behavior is best likely linked to the weak coupling between dilational and capillary modes, while at low and moderate q the experimental data resemble to the mixed oscillations. This behavior is consistent with an influence of diffusion and adsorption on the waves propagation.
author2 Forschungszentrum Rossendorf, Institut für Sicherheitsforschung
author_facet Forschungszentrum Rossendorf, Institut für Sicherheitsforschung
Kolevzon, Vladimir
author Kolevzon, Vladimir
spellingShingle Kolevzon, Vladimir
Surface Light Scattering Spectroscopy of the Gallium Liquid-Vapor Interface
author_sort Kolevzon, Vladimir
title Surface Light Scattering Spectroscopy of the Gallium Liquid-Vapor Interface
title_short Surface Light Scattering Spectroscopy of the Gallium Liquid-Vapor Interface
title_full Surface Light Scattering Spectroscopy of the Gallium Liquid-Vapor Interface
title_fullStr Surface Light Scattering Spectroscopy of the Gallium Liquid-Vapor Interface
title_full_unstemmed Surface Light Scattering Spectroscopy of the Gallium Liquid-Vapor Interface
title_sort surface light scattering spectroscopy of the gallium liquid-vapor interface
publisher Forschungszentrum Dresden
publishDate 2010
url http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-31647
http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-31647
http://www.qucosa.de/fileadmin/data/qucosa/documents/3164/508.pdf
work_keys_str_mv AT kolevzonvladimir surfacelightscatteringspectroscopyofthegalliumliquidvaporinterface
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