Structure of crystals of hard colloidal spheres

We report light-scattering measurements of powder diffraction patterns of crystals of essentially hard colloidal spheres. These are consistent with structures formed by stacking close-packed planes of particles in a sequence of permitted lateral positions, {ital A},{ital B},{ital C}, which shows a h...

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Bibliographic Details
Published in:Physical review letters 1989-12, Vol.63 (25), p.2753-2756
Main Authors: PUSEY, P. N, VAN MEGEN, W, BARTLETT, P, ACKERSON, B. J, RARITY, J. G, UNDERWOOD, S. M
Format: Article
Language:English
Subjects:
ALKANES
CARBON COMPOUNDS
CARBON SULFIDES
CARBOXYLIC ACIDS
CHALCOGENIDES
COLLOIDS
Cross-disciplinary physics: materials science
rheology
CRYSTAL DEFECTS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CUBIC LATTICES
CYCLOALKANES
DATA
DECALIN
DISPERSIONS
ESTERS
Exact sciences and technology
EXPERIMENTAL DATA
FCC LATTICES
HARD-SPHERE MODEL
HYDROCARBONS
HYDROXY ACIDS
INFORMATION
LIGHT SCATTERING
MATERIALS SCIENCE
Methods of crystal growth
physics of crystal growth
MIXTURES
NUMERICAL DATA
OPTICAL PROPERTIES
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PHYSICAL PROPERTIES
Physics
PMMA
POLYACRYLATES
POLYMERS
POLYVINYLS
POWDERS
RANDOMNESS
REFRACTIVITY
SCATTERING
STABILIZATION
STACKING FAULTS
STRUCTURE FACTORS
SULFIDES
SULFUR COMPOUNDS 360602 > Other Materials-- Structure & Phase Studies
SYMMETRY
Theory and models of crystal growth
physics of crystal growth, crystal morphology and orientation
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Description
Summary:We report light-scattering measurements of powder diffraction patterns of crystals of essentially hard colloidal spheres. These are consistent with structures formed by stacking close-packed planes of particles in a sequence of permitted lateral positions, {ital A},{ital B},{ital C}, which shows a high degree of randomness. Crystals grown slowly, while still containing many stacking faults, show a tendency towards face-centered-cubic packing: possible explanations for this observation are discussed.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.63.2753