Document Detail


Structure, odd lines and topological entropy of disorder of amorphous silicon.
MedLine Citation:
PMID:  12089457     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
A continuous random network model of amorphous silicon, subject to periodic boundary conditions, is partitioned into cells bounded by irreducible rings. An algorithm has been developed to find the cells and the rings that bound them. A thread can be imagined to pass through odd rings (rings containing an odd number of atoms) without passing through even rings. Such a thread is an algorithmic realization of an odd line, which is the only topological defect in glass or amorphous condensed matter. The topological entropy of disorder associated with these odd lines is found to be approximately 80% of the value for an ideal tetrahedrally bonded random network of atoms for which the rings that bound the cells are statistically independent.
Authors:
Frederick Wooten
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Publication Detail:
Type:  Journal Article     Date:  2002-07-01
Journal Detail:
Title:  Acta crystallographica. Section A, Foundations of crystallography     Volume:  58     ISSN:  0108-7673     ISO Abbreviation:  Acta Crystallogr., A, Found. Crystallogr.     Publication Date:  2002 Jul 
Date Detail:
Created Date:  2002-06-28     Completed Date:  2002-09-16     Revised Date:  2003-11-03    
Medline Journal Info:
Nlm Unique ID:  8305825     Medline TA:  Acta Crystallogr A     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  346-51     Citation Subset:  -    
Affiliation:
Department of Applied Science, University of California, Davis, CA 95616, USA. fowooten@ucdavis.edu
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Erratum In:
Acta Crystallogr A. 2003 May;59(Pt 3):286

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