Sun, 27 Jul 2008 08:00:58 BST CiteULike: dchen's Patel http://www.citeulike.org/user/dchen/author/Patel CiteULike.org en-gb Copyright © 2004-2008 citeulike.org http://www.citeulike.org/user/dchen/article/1454769 <i>Physical Review Letters, Vol. 99, No. 2. (2007)</i><br /><br />We study a colloidal suspension confined between two quasiparallel walls as a model system for glass transitions in confined geometries. The suspension is a mixture of two particle sizes to prevent wall-induced crystallization. We use confocal microscopy to directly observe the motion of colloidal particles. This motion is slower in confinement, thus producing glassy behavior in a sample which is a liquid in an unconfined geometry. For higher volume fraction samples (closer to the glass transition), the onset of confinement effects occurs at larger length scales. Colloidal Glass Transition Observed in Confinement Carolyn Nugent Kazem Edmond Hetal Patel Eric Weeks doi:10.1103/PhysRevLett.99.025702 Physical Review Letters, Vol. 99, No. 2. (2007) 2007-07-13T19:38:05-00:00 2007 Physical Review Letters 99 2 APS 2007 confinement weeks