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The European Physical Journal E

, Volume 13, Issue 2, pp 109–112 | Cite as

Surface and bulk interchange energy in binary mixtures of chain molecules

  • E. Sloutskin
  • E. B. Sirota
  • O. Gang
  • X. Z. Wu
  • B. M. Ocko
  • M. Deutsch
Article

Abstract.

The interchange (interaction) parameter, controlling the phase behaviour of a binary mixture, is determined for the bulk and the surface of binary mixtures of different types of chain molecules, using surface tensiometry and a mean-field theory. For all mixtures and concentrations studied an identical behaviour is observed at the surface, depending only on the square of the reduced chain length mismatch \(\Delta n / \overline{n} \), where \(\Delta n\) and \(\overline{n}\) are the difference in and average of the number of carbons of the two components.

Keywords

Chain Length Binary Mixture Phase Behaviour Identical Behaviour Chain Molecule 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin/Heidelberg 2004

Authors and Affiliations

  • E. Sloutskin
    • 1
  • E. B. Sirota
    • 2
  • O. Gang
    • 3
  • X. Z. Wu
    • 4
  • B. M. Ocko
    • 3
  • M. Deutsch
    • 1
  1. 1.Department of PhysicsBar-Ilan UniversityRamat-GanIsrael
  2. 2.ExxonMobil Research and Engineering Co.AnnandaleUSA
  3. 3.Department of PhysicsBrookhaven National LaboratoryUptonUSA
  4. 4.San Jose Research CenterHitachi Global Storage TechnologiesSan JoseUSA

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