Amb motiu del tancament d'estiu, la validació de documents es reprendrà a partir del 28 d'agost de 2026. Disculpeu les molèsties.
Con motivo del cierre de verano, la validación de documentos se reanudará a partir del 28 de agosto de 2026. Disculpad las molestias
Due to the summer closure, document validation will resume starting August 28, 2026. We apologize for any inconvenience.

Files

633746.pdf (494.87 KB)

Document type

Article

Version

Published version

Publication date

2008-08-08

All rights reserved

Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/50455

Percolation and three-dimensional structure of supercritical water

Journal Title

Authors

Director/Tutor

Journal ISSN

Volume Title

Related resource

http://dx.doi.org/10.1103/PhysRevE.78.021505

Abstract

It is well established that at ambient and supercooled conditions water can be described as a percolating network of H bonds. This work is aimed at identifying, by neutron diffraction experiments combined with computer simulations, a percolation line in supercritical water, where the extension of the H-bond network is in question. It is found that in real supercritical water liquidlike states are observed at or above the percolation threshold, while below this threshold gaslike water forms small, sheetlike configurations. Inspection of the three-dimensional arrangement of water molecules suggests that crossing of this percolation line is accompa- nied by a change of symmetry in the first neighboring shell of molecules from trigonal below the line to tetrahedral above.

Subject

Percolació (Física estadística), Difracció de neutrons, Aigua, Simulació per ordinador, Hidrogen

Subject (English)

Percolation (Statistical physics), Neutron diffraction, Water, Computer simulation, Hydrogen

Citation

Collections

Articles publicats en revistes (Física de la Matèria Condensada)

Citation

BERNABEI, Marco, et al. Percolation and three-dimensional structure of supercritical water. Physical Review E. 2008. Vol. 78, num. 2, pags. 021505-1-021505-9. ISSN 1539-3755. [consulted: 11 of August of 2026]. Available at: https://hdl.handle.net/2445/50455

Export metadata

JSON - METS

Share record