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- W1987321225 abstract "We report on the optical emission properties of catalyst-free, molecular beam epitaxy grown InAs nanowires (NW) on Si (111) using photoluminescence spectroscopy. InAs NW ensembles with similar density, length, and crystal structure (wurtzite-phase with stacking faults) but substantially different NW diameter (40–135 nm) are investigated, and the role of diameter on band-edge emission elucidated. Thick (>100 nm) as-grown NWs show relatively strong emission efficiency with emission up to >130 K, red-shift with temperature (T) and low-T band‐edge energy of ∼0.41 eV similar to bulk zincblende InAs. Reduction in NW diameter yields a characteristic blue‐shift (∼0.435 eV for 40-nm thin NWs), which is related to quantum confinement effects and confirmed by simulations." @default.
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- W1987321225 date "2012-07-30" @default.
- W1987321225 modified "2023-09-26" @default.
- W1987321225 title "Diameter dependent optical emission properties of InAs nanowires grown on Si" @default.
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- W1987321225 doi "https://doi.org/10.1063/1.4739001" @default.
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