6533b7dafe1ef96bd126f5ee
RESEARCH PRODUCT
Construction and stability of a close-packed structure observed in thin colloidal crystals
Ana Barreira FontechaThomas PalbergHans Joachim Schöpesubject
ColloidMaterials sciencegenetic structuresStack (abstract data type)MicroscopyPerpendicularSPHERESNanotechnologyColloidal crystalMolecular physicsStability (probability)Square (algebra)description
We have characterized a close-packed structure of confined charged colloidal spheres, which has been recently discovered. Using different microscopy experiments, the vertically arranged hexagonal planes of n - hcp perpendicular are found to continuously evolve from the horizontally oriented stacks of n hexagonal planes (nDelta) following the maximum packing criterion, but discontinuously transform to a stack of n+1 square planes [(n+1)[SHAPE OF A SQUARE]]. Large mechanically stable domains with threefold twin structures are regularly observed in the suspended state at packing fractions between 0.4 and 0.58.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2007-11-06 | Physical Review E |