Volume 54, Number 4, May 2001
|Page(s)||468 - 474|
|Section||Condensed matter: structural, mechanical and thermal properties|
|Published online||01 December 2003|
Phase diagram of model fullerenes
Istituto Nazionale per la Fisica della Materia (INFM) and
Dipartimento di Fisica Università di Messina -
Contrada Papardo, C.P. 50, 98166 Messina, Italy
Corresponding author: firstname.lastname@example.org
Accepted: 4 March 2001
Recent studies have confirmed that model has a stable liquid phase confined to a rather narrow temperature range; in this letter we determine the phase diagram of model and show that also this fullerene possesses a liquid phase whose existence range is wider than that of . A "corresponding state"behaviour of and , emerging from a description in terms of reduced quantities of both the interaction potential and the phase diagrams' parameters, is then extended to higher-order fullerenes. Critical- and triple-point densities and temperatures of , and are thereby predicted. The decreasing accuracy of such a representation of phase behaviour with increasing n is discussed in relation to the model potential features.
PACS: 61.20.Gy – Theory and models of liquid structure / 61.48.+c – Fullerenes and fullerene-related materials / 64.70.Fx – Liquid-vapor transitions
© EDP Sciences, 2001
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