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 | Nanotech 2005 Vol. 2
Technical Proceedings of the 2005 NSTI Nanotechnology Conference and Trade Show, Volume 2
Chapter 5: Surfaces and Films |
| | Transition Mechanisms and Phases of Hexane Physisorbed on Graphite | | Authors: | C.L. Pint, M.W. Roth and C. Wexler | | Affilation: | University of Northern Iowa, US | | Pages: | 365 - 368 | | Keywords: | adsorption, n-alkanes | | Abstract: | We study the transition mechanisms in submonolayer, monolayer, and supermonolayer hexane adsorbed onto graphite, and find that the driving mechanism for the nematic (liquid crystal) phase observed is out-of-plane tilting caused by molecular in-plane rolling, and that the mechanism for the nematic-to-fluid phase transition is a combition of primarily a 'tilt-lock' mechanism accompanied by a small amount of intramolecular gauche defects. We find that in-plane room for this system is paramount to understanding these phases, and believe that our understanding of the effects of in-plane room can be applied to other nanoscale systems. | | ISBN: | 0-9767985-1-4 |
| Pages: | 808 |
| Hardcopy: | $165.00 |
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