Reentrant Surface Melting of Colloidal Hard Spheres Export

@article{citeulike:5695157, abstract = {Concentrated suspensions of model colloidal hard spheres at a wall were studied in real space by means of time-resolved fluorescence confocal scanning microscopy. Both structure and dynamics of these systems differ dramatically from their bulk analogs (i.e.; far away from a wall). In particular; systems that are a glass in the bulk show significant hexagonal order at a wall. Upon increasing the volume fraction of the colloids; a reentrant melting transition involving a hexatic structure is observed. The last observation points to two-dimensional behavior of matter at walls.}, author = {Dullens, Roel P. A. and Kegel, Willem K.}, citeulike-article-id = {5695157}, citeulike-linkout-0 = {http://dx.doi.org/10.1103/PhysRevLett.92.195702}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRL/v92/i19/e195702}, citeulike-linkout-2 = {http://link.aps.org/pdf/PRL/v92/i19/e195702}, doi = {10.1103/PhysRevLett.92.195702}, journal = {Physical Review Letters}, keywords = {2d, boundary, colloids, confocal, dyn-het, structure}, month = {May}, number = {19}, pages = {195702+}, posted-at = {2009-08-31 22:51:36}, priority = {2}, publisher = {American Physical Society}, title = {Reentrant Surface Melting of Colloidal Hard Spheres}, url = {http://dx.doi.org/10.1103/PhysRevLett.92.195702}, volume = {92}, year = {2004} }

TY - JOUR ID - citeulike:5695157 L3 - citeulike-article-id:5695157 N2 - Concentrated suspensions of model colloidal hard spheres at a wall were studied in real space by means of time-resolved fluorescence confocal scanning microscopy. Both structure and dynamics of these systems differ dramatically from their bulk analogs (i.e.; far away from a wall). In particular; systems that are a glass in the bulk show significant hexagonal order at a wall. Upon increasing the volume fraction of the colloids; a reentrant melting transition involving a hexatic structure is observed. The last observation points to two-dimensional behavior of matter at walls. IS - 19 JF - Physical Review Letters TI - Reentrant Surface Melting of Colloidal Hard Spheres PB - American Physical Society VL - 92 SP - 195702 KW - 2d KW - boundary KW - colloids KW - confocal KW - dyn-het KW - structure AU - Dullens, Roel AU - Kegel, Willem PY - 2004/May// UR - http://dx.doi.org/10.1103/PhysRevLett.92.195702 ER -