Polarization effects, network dynamics, and the infrared spectrum of amorphous SiO2

Mark Wilson, Paul A. Madden, Mahin Hemmati, Charles Angell

Research output: Contribution to journalArticle

142 Scopus citations

Abstract

A computer simulation of amorphous SiO2, with a potential which includes formal ionic charges and an explicit account of polarization effects, produces a calculated infrared spectrum in good agreement with experiment. The polarization effects play a crucial role in reproducing the observed network vibrational frequencies and in allowing for the correct distribution of intensity across the spectrum.

Original languageEnglish (US)
Pages (from-to)4023-4026
Number of pages4
JournalPhysical Review Letters
Volume77
Issue number19
DOIs
StatePublished - Jan 1 1996

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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