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...
Main Author: | |
---|---|
Other Authors: | |
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 |
id |
ndltd-DRESDEN-oai-qucosa.de-bsz-d120-qucosa-31647 |
---|---|
record_format |
oai_dc |
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
|
sources |
NDLTD |
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 |
_version_ |
1716471503783985152 |