publication . Doctoral thesis . 2005

Transport mechanisms and wetting dynamics in molecularly thin films of long-chain alkanes at solid/vapour interface : relation to the solid-liquid phase transition

Lazar, Paul;
Open Access English
  • Published: 11 Jul 2005
  • Country: Germany
Wetting and phase transitions play a very important role our daily life. Molecularly thin films of long-chain alkanes at solid/vapour interfaces (e.g. C30H62 on silicon wafers) are very good model systems for studying the relation between wetting behaviour and (bulk) phase transitions. Immediately above the bulk melting temperature the alkanes wet partially the surface (drops). In this temperature range the substrate surface is covered with a molecularly thin ordered, solid-like alkane film ("surface freezing"). Thus, the alkane melt wets its own solid only partially which is a quite rare phenomenon in nature. The thesis treats about how the alkane melt wets its...
free text keywords: Benetzung, Phasenübergang, Keimbildung, Alkane, Unterkühlung, Überhitzung, Institut für Physik und Astronomie, ddc:530
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