Reversible Phase Transition of Colloids in a Binary Liquid Solvent

by: Hua Guo, Theyencheri Narayanan, Michael Sztuchi, Peter Schall, Gerard H Wegdam

Physical Review Letters, Vol. 100, No. 18. (2008)

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Abstract

We report fluid-fluid and fluid-solid phase transitions of charge-stabilized polystyrene particles suspended in a binary liquid mixture of 3-methylpyridine and water. These thermally reversible phase transitions occur in the homogeneous phase of the binary liquid mixture below the coexistence temperature of the two liquids. Close density matching of the particles and the solvent allows us to follow the phase behavior until complete coexistence of macroscopic phases with temperature as the control parameter. We use small angle x-ray scattering to characterize these phases as colloidal gas, liquid, fcc crystal, and glass.

@article{citeulike:2811049, abstract = {We report fluid-fluid and fluid-solid phase transitions of charge-stabilized polystyrene particles suspended in a binary liquid mixture of 3-methylpyridine and water. These thermally reversible phase transitions occur in the homogeneous phase of the binary liquid mixture below the coexistence temperature of the two liquids. Close density matching of the particles and the solvent allows us to follow the phase behavior until complete coexistence of macroscopic phases with temperature as the control parameter. We use small angle x-ray scattering to characterize these phases as colloidal gas, liquid, fcc crystal, and glass.}, author = {Guo, Hua and Narayanan, Theyencheri and Sztuchi, Michael and Schall, Peter and Wegdam, Gerard H. }, citeulike-article-id = {2811049}, doi = {http://dx.doi.org/10.1103/PhysRevLett.100.188303}, journal = {Physical Review Letters}, keywords = {2008, binary, charge, colloids, phase, system}, number = {18}, posted-at = {2008-05-18 20:15:43}, priority = {2}, publisher = {APS}, title = {Reversible Phase Transition of Colloids in a Binary Liquid Solvent}, url = {http://dx.doi.org/10.1103/PhysRevLett.100.188303}, volume = {100}, year = {2008} }

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TY - JOUR ID - citeulike:2811049 L3 - citeulike-article-id:2811049 TI - Reversible Phase Transition of Colloids in a Binary Liquid Solvent JF - Physical Review Letters VL - 100 IS - 18 PB - APS N2 - We report fluid-fluid and fluid-solid phase transitions of charge-stabilized polystyrene particles suspended in a binary liquid mixture of 3-methylpyridine and water. These thermally reversible phase transitions occur in the homogeneous phase of the binary liquid mixture below the coexistence temperature of the two liquids. Close density matching of the particles and the solvent allows us to follow the phase behavior until complete coexistence of macroscopic phases with temperature as the control parameter. We use small angle x-ray scattering to characterize these phases as colloidal gas, liquid, fcc crystal, and glass. KW - 2008 KW - binary KW - charge KW - colloids KW - phase KW - system AU - Guo, Hua AU - Narayanan, Theyencheri AU - Sztuchi, Michael AU - Schall, Peter AU - Wegdam, Gerard PY - 2008/// UR - http://dx.doi.org/10.1103/PhysRevLett.100.188303 ER -

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