Invariance of Structure in an Aging Colloidal Glass

by: Gianguido C Cianci, Rachel E Courtland, Eric R Weeks

edited by: Michio Tokuyama, Shigenao Maruyama

AIP Conference Proceedings, Vol. 832, No. 1. (2006), pp. 21-25.

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Abstract

We study concentrated colloidal suspensions, a model system which has a glass transition. The non-equilibrium nature of the glassy state is most clearly highlighted by aging — the dependence of the system's properties on the time elapsed since vitrification. Fast laser scanning confocal microscopy allows us to image a colloidal glass and track the particles in three dimensions. We analyze the static structure in terms of tetrahedral packing. We find that while the aging of the suspension clearly affects its dynamics, none of the geometrical quantities associated with tetrahedra change with age.

@article{CianciWeeks2006, abstract = {We study concentrated colloidal suspensions, a model system which has a glass transition. The non-equilibrium nature of the glassy state is most clearly highlighted by aging — the dependence of the system's properties on the time elapsed since vitrification. Fast laser scanning confocal microscopy allows us to image a colloidal glass and track the particles in three dimensions. We analyze the static structure in terms of tetrahedral packing. We find that while the aging of the suspension clearly affects its dynamics, none of the geometrical quantities associated with tetrahedra change with age.}, author = {Cianci, Gianguido C. and Courtland, Rachel E. and Weeks, Eric R. }, citeulike-article-id = {1678090}, doi = {http://dx.doi.org/10.1063/1.2204459}, editor = {Tokuyama, Michio and Maruyama, Shigenao }, journal = {AIP Conference Proceedings}, keywords = {thesis}, number = {1}, pages = {21--25}, posted-at = {2007-11-12 00:50:59}, priority = {2}, publisher = {AIP}, title = {Invariance of Structure in an Aging Colloidal Glass}, url = {http://dx.doi.org/10.1063/1.2204459}, volume = {832}, year = {2006} }

RIS record

TY - JOUR ID - CianciWeeks2006 L3 - citeulike-article-id:1678090 TI - Invariance of Structure in an Aging Colloidal Glass JF - AIP Conference Proceedings VL - 832 IS - 1 SP - 21 EP - 25 PB - AIP N2 - We study concentrated colloidal suspensions, a model system which has a glass transition. The non-equilibrium nature of the glassy state is most clearly highlighted by aging — the dependence of the system's properties on the time elapsed since vitrification. Fast laser scanning confocal microscopy allows us to image a colloidal glass and track the particles in three dimensions. We analyze the static structure in terms of tetrahedral packing. We find that while the aging of the suspension clearly affects its dynamics, none of the geometrical quantities associated with tetrahedra change with age. KW - thesis AU - Cianci, Gianguido AU - Courtland, Rachel AU - Weeks, Eric A2 - Tokuyama, Michio A2 - Maruyama, Shigenao PY - 2006/// UR - http://dx.doi.org/10.1063/1.2204459 ER -

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