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Reversible phase transitions in a buckybowl monolayer


Merz, L; Parschau, M; Zoppi, L; Baldridge, K K; Siegel, J; Ernst, K H (2009). Reversible phase transitions in a buckybowl monolayer. Angewandte Chemie Internationale Edition, 48(11):1966-1969.

Abstract

Like penguins on ice, buckybowl molecules move closer together when cooled on a copper surface (see model of a corannulene molecule adsorbed on Cu(111)). Upon heating, the molecules spread out into the original crystal phase again. The lower density at room temperature can be explained by the increase in entropy owing to the excitation of bowl vibrations at the surface.

Abstract

Like penguins on ice, buckybowl molecules move closer together when cooled on a copper surface (see model of a corannulene molecule adsorbed on Cu(111)). Upon heating, the molecules spread out into the original crystal phase again. The lower density at room temperature can be explained by the increase in entropy owing to the excitation of bowl vibrations at the surface.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:English
Date:2009
Deposited On:16 Jan 2010 18:36
Last Modified:16 Dec 2016 11:37
Publisher:Wiley-VCH Verlag
ISSN:1433-7851
Publisher DOI:https://doi.org/10.1002/anie.200804563
PubMed ID:19212994

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