Crystallization in Glassy Suspensions of Colloidal Hard Spheres - Langmuir (ACS Publications) Export

@article{kegel00lang, abstract = {Crystallization in suspensions of colloidal hard spheres with a volume fraction of 0.631 +/- 0.004, and a polydispersity of less than 3\%, is studied experimentally. The mass density of the solvent is almost equal to that of the particles. Normal (1g-like) gravity conditions are simulated by centrifugation. It is shown that there is a limiting density of the quenched hard-sphere fluid, close or equal to the random close-packed density (with a volume fraction of 0.644 +/- 0.005), above which crystallization is no longer observed. The results rule out the possibility that gravitational stress in quenched colloidal hard-sphere fluids, with volume fractions lower than the one corresponding to random close packing of spheres, irreversibly induces a packing geometry in which crystallization is suppressed.}, author = {Kegel, W. K.}, citeulike-article-id = {3618865}, citeulike-linkout-0 = {http://pubs.acs.org/doi/abs/10.1021/la990661d}, journal = {Langmuir}, keywords = {colloids, crystals, gravity, hard-sphere}, number = {3}, pages = {939--941}, posted-at = {2008-11-20 20:14:25}, priority = {0}, title = {Crystallization in Glassy Suspensions of Colloidal Hard Spheres - Langmuir (ACS Publications)}, url = {http://pubs.acs.org/doi/abs/10.1021/la990661d}, volume = {16}, year = {2000} }

TY - JOUR ID - kegel00lang L3 - citeulike-article-id:3618865 N2 - Crystallization in suspensions of colloidal hard spheres with a volume fraction of 0.631 +/- 0.004, and a polydispersity of less than 3%, is studied experimentally. The mass density of the solvent is almost equal to that of the particles. Normal (1g-like) gravity conditions are simulated by centrifugation. It is shown that there is a limiting density of the quenched hard-sphere fluid, close or equal to the random close-packed density (with a volume fraction of 0.644 +/- 0.005), above which crystallization is no longer observed. The results rule out the possibility that gravitational stress in quenched colloidal hard-sphere fluids, with volume fractions lower than the one corresponding to random close packing of spheres, irreversibly induces a packing geometry in which crystallization is suppressed. IS - 3 JF - Langmuir EP - 941 TI - Crystallization in Glassy Suspensions of Colloidal Hard Spheres - Langmuir (ACS Publications) VL - 16 SP - 939 KW - colloids KW - crystals KW - gravity KW - hard-sphere AU - Kegel, WK PY - 2000/// UR - http://pubs.acs.org/doi/abs/10.1021/la990661d ER -