Abstract
Photonic crystal thin films were fabricated on glass substrates both by the controlled evaporation method and the Langmuir–Blodgett deposition of a lattice of silica spheres. Infilling of the air spaces within the structures with GaAs was achieved using trimethylgallium and arsine under atomic-layer-deposition conditions. The effect of infiltration on the (2 + 1) dimensional structure of Langmuir–Blodgett photonic crystals, as compared to the face-centred cubic structure of controlled evaporation photonic crystals, is directly investigated with respect to the observed optical properties.
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