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- Adsorption and phase transitions in adsorbed systems: structural properties of CCl4 layers adsorbed on a graphite surface doi link

Auteur(s): Marzec Marcin, Kuchta Bogdan, Firlej L.

(Article) Publié: Journal Of Molecular Modeling, vol. 13 p.537-542 (2007)
Texte intégral en Openaccess : istex


Ref HAL: hal-00548892_v1
PMID 17333309
DOI: 10.1007/s00894-007-0171-1
WoS: 000244786200008
Exporter : BibTex | endNote
10 Citations
Résumé:

We present the results of simulations of a CCl4 monolayer adsorbed on a graphite surface. The CCl4 molecule was represented either by a shapeless superatom or by its atomic sites. The simulations were carried out over a large range of temperatures, from 20 K up to 340 K. We address the following problems: (1) the influence of molecular shape on the structure and stability of phases (particularly at low temperatures), and (2) the influence of the graphite corrugation on layer stability and mechanism of phase transitions. In particular, we discuss the possibility and conditions of the appearance of hexatic phase in the system.



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