Nano Science and Technology Institute
Nanotech 2005 Vol. 2
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.
Transition Mechanisms and Phases of Hexane Physisorbed on GraphiteView PDF of paper
ISBN:0-9767985-1-4
Pages:808
Hardcopy:$109.95
 
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