How a Liquid Becomes a Glass Both on Cooling and on Heating

by: Xinhui Lu, SGJ Mochrie, S Narayanan, AR Sandy, M Sprung

Physical Review Letters, Vol. 100, No. 4. (2008)

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Abstract

The onset of structural arrest and glass formation in a concentrated suspension of silica nanoparticles in a water-lutidine binary mixture near its consolute point is studied by exploiting the near-critical fluid degrees of freedom to control the strength of an attraction between particles and multispeckle x-ray photon correlation spectroscopy to determine the particles' collective dynamics. This model system undergoes a glass transition both on cooling and on heating, and the intermediate liquid realizes unusual logarithmic relaxations. How vitrification occurs for the two different glass transitions is characterized in detail and comparisons are drawn to recent theoretical predictions for glass formation in systems with attractive interactions.

@article{citeulike:2675930, abstract = {The onset of structural arrest and glass formation in a concentrated suspension of silica nanoparticles in a water-lutidine binary mixture near its consolute point is studied by exploiting the near-critical fluid degrees of freedom to control the strength of an attraction between particles and multispeckle x-ray photon correlation spectroscopy to determine the particles' collective dynamics. This model system undergoes a glass transition both on cooling and on heating, and the intermediate liquid realizes unusual logarithmic relaxations. How vitrification occurs for the two different glass transitions is characterized in detail and comparisons are drawn to recent theoretical predictions for glass formation in systems with attractive interactions.}, author = {Lu, Xinhui and Mochrie, S. G. J. and Narayanan, S. and Sandy, A. R. and Sprung, M. }, citeulike-article-id = {2675930}, doi = {10.1103/PhysRevLett.100.045701}, journal = {Physical Review Letters}, keywords = {experiment, gel, glass}, number = {4}, posted-at = {2008-04-16 04:01:48}, priority = {2}, publisher = {APS}, title = {How a Liquid Becomes a Glass Both on Cooling and on Heating}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PRLTAO000100000004045701000001\&idtype=cvips\&gifs=yes}, volume = {100}, year = {2008} }

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TY - JOUR ID - citeulike:2675930 L3 - citeulike-article-id:2675930 TI - How a Liquid Becomes a Glass Both on Cooling and on Heating JF - Physical Review Letters VL - 100 IS - 4 PB - APS N2 - The onset of structural arrest and glass formation in a concentrated suspension of silica nanoparticles in a water-lutidine binary mixture near its consolute point is studied by exploiting the near-critical fluid degrees of freedom to control the strength of an attraction between particles and multispeckle x-ray photon correlation spectroscopy to determine the particles' collective dynamics. This model system undergoes a glass transition both on cooling and on heating, and the intermediate liquid realizes unusual logarithmic relaxations. How vitrification occurs for the two different glass transitions is characterized in detail and comparisons are drawn to recent theoretical predictions for glass formation in systems with attractive interactions. KW - experiment KW - gel KW - glass AU - Lu, Xinhui AU - Mochrie, SGJ AU - Narayanan, S AU - Sandy, AR AU - Sprung, M PY - 2008/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000100000004045701000001&idtype=cvips&gifs=yes ER -

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