Three-Dimensional Binary Superlattices of Oppositely Charged Colloids
Top Cited Papers
- 16 September 2005
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 95 (12) , 128302
- https://doi.org/10.1103/physrevlett.95.128302
Abstract
We report the equilibrium self-assembly of binary crystals of oppositely charged colloidal microspheres at high density. By varying the magnitude of the charge on near equal-sized spheres we show that the structure of the binary crystal may be switched between face-centered cubic, cesium chloride, and sodium chloride. We interpret these transformations in terms of a competition between entropic and Coulombic forces.Keywords
All Related Versions
This publication has 21 references indexed in Scilit:
- Ultrafast Optical Switching in Three-Dimensional Photonic CrystalsPhysical Review Letters, 2003
- Three-dimensional binary superlattices of magnetic nanocrystals and semiconductor quantum dotsNature, 2003
- On-chip natural assembly of silicon photonic bandgap crystalsNature, 2001
- Binary hard-sphere crystals with the cesium chloride structurePhysical Review E, 2001
- Superlattice formation in mixtures of hard-sphere colloidsPhysical Review E, 2000
- Polymerized colloidal crystal hydrogel films as intelligent chemical sensing materialsNature, 1997
- Stability of the AB crystal for asymmetric binary hard sphere mixturesMolecular Physics, 1997
- Entropy-driven formation of a superlattice in a hard-sphere binary mixtureNature, 1993
- Superlattice formation in binary mixtures of hard-sphere colloidsPhysical Review Letters, 1992
- Close-packed structures of spheres of two different sizes I. Observations on natural opalPhilosophical Magazine A, 1980