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1.  Grazing-incidence small-angle X-ray scattering: application to the study of quantum dot lattices 
The modelling of grazing-incidence small-angle X-ray scattering (GISAXS) from three-dimensional quantum dot lattices is described.
The ordering of quantum dots in three-dimensional quantum dot lattices is investigated by grazing-incidence small-angle X-ray scattering (GISAXS). Theoretical models describing GISAXS intensity distributions for three general classes of lattices of quantum dots are proposed. The classes differ in the type of disorder of the positions of the quantum dots. The models enable full structure determination, including lattice type, lattice parameters, the type and degree of disorder in the quantum dot positions and the distributions of the quantum dot sizes. Applications of the developed models are demonstrated using experimentally measured data from several types of quantum dot lattices formed by a self-assembly process.
doi:10.1107/S0108767311040104
PMCID: PMC3243409  PMID: 22186289
grazing-incidence small-angle X-ray scattering; GISAXS; quantum dot lattices; self-assembly

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