Skip to main content
Article
Observation of Novel Liquid-Crystalline Phase Above the Bulk-Melting Temperature
Physical Review Letters
  • Keshav S. Gautam
  • Satyendra Kumar, Kent State University - Kent Campus
  • Didier Wermeille
  • Doug Robinson
  • Ali Dhinojwala
Publication Date
5-30-2003
Document Type
Article
DOI
10.1103/PhysRevLett.90.215501
Keywords
  • Chain Molecules,
  • Normal Alkanes,
  • Surface,
  • Diffraction,
  • Interfaces
Disciplines
Abstract
In this paper, we show that a noncrystalline but ordered smectic-like phase exists above the bulk-melting temperature (T-m) at poly(n-alkyl acrylates)-air interface. The surface ordered phase is one monolayer thick and undergoes a sharp transition from order to disorder 10degreesC above T-m for n=22. The presence of a surface phase that does not exist in the bulk has important implications in the design of thermally responsive adhesives.
Comments

Copyright 2003 American Physical Society. Available on publisher's site at http://dx.doi.org/10.1103/PhysRevLett.90.215501.

Citation Information
Keshav S. Gautam, Satyendra Kumar, Didier Wermeille, Doug Robinson, et al.. "Observation of Novel Liquid-Crystalline Phase Above the Bulk-Melting Temperature" Physical Review Letters Vol. 90 Iss. 21 (2003)
Available at: http://works.bepress.com/satyendra_kumar/30/