Channel formation and intermediate range order in sodium silicate melts and glasses

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dc.contributor.author Kargl, Florian
dc.contributor.author Meyer, A.
dc.contributor.author Horbach, J.
dc.contributor.author Kob, W.
dc.date.accessioned 2008-12-09T16:55:42Z
dc.date.available 2008-12-09T16:55:42Z
dc.date.issued 2004-07
dc.identifier.citation Kargl , F , Meyer , A , Horbach , J & Kob , W 2004 , ' Channel formation and intermediate range order in sodium silicate melts and glasses ' Physical Review Letters , vol 93 , no. 2 , pp. 027801 . , 10.1103/PhysRevLett.93.027801 en
dc.identifier.issn 1079-7114
dc.identifier.other PURE: 89682
dc.identifier.other dspace: 2160/1495
dc.identifier.uri http://hdl.handle.net/2160/1495
dc.identifier.uri http://link.aps.org/abstract/PRL/v93/e027801 en
dc.description Kargl, Florian; Meyer, A.; Horbach, J.; Kob, W., (2004) 'Channel formation and intermediate range order in sodium silicate melts and glasses', Physical Review Letters 93(2) pp.027801 RAE2008 en
dc.description.abstract We use inelastic neutron scattering and molecular dynamics simulation to investigate the interplay between the structure and the fast sodium ion diffusion in various sodium silicates. With increasing temperature and decreasing density the structure factors exhibit an emerging prepeak around 0.9   Å-1. We show that this prepeak has its origin in the formation of sodium rich channels in the static structure. The channels serve as preferential ion conducting pathways in the relative immobile Si-O matrix. On cooling below the glass transition this intermediate range order is frozen in. en
dc.format.extent 27801 en
dc.language.iso eng
dc.relation.ispartof Physical Review Letters en
dc.title Channel formation and intermediate range order in sodium silicate melts and glasses en
dc.type Text en
dc.type.publicationtype Article (Journal) en
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevLett.93.027801
dc.contributor.institution Institute of Mathematics & Physics (ADT) en
dc.contributor.institution Mathematics and Physics en
dc.description.status Peer reviewed en


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