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- W2023160217 abstract "In this work we inform about quantum dots (QD) obtained by Liquid Phase Epitaxy (LPE) on GaAs substrates from under-saturated In-As liquid phases. In our processes, we have prepared saturated In-rich liquid phases by dissolving an InAs wafer at one of the temperatures interval from 450 to 414 C for 60 minutes. The contact between In-As liquid phase and the GaAs substrate was always done at a constant temperature of 444 C for 5 seconds. Thus, the growth temperature for most of the samples was higher than the liquidus temperature. We think that the growth driving force is related to a transient process that occurs when the system is trying to reach equilibrium. Under the atom force microscope (AFM) we have observed nano-islands on the surfaces of the samples obtained from under-saturated liquid phases prepared at 438, 432 and 426 C. The 25 K photoluminescence spectrum shows a peak at a 1.33 eV, in addition to the GaAs related line." @default.
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- W2023160217 date "2011-01-01" @default.
- W2023160217 modified "2023-09-27" @default.
- W2023160217 title "Quantum Dots obtained by LPE from under-saturated In-As liquid phases on GaAs substrates" @default.
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- W2023160217 doi "https://doi.org/10.1088/1742-6596/274/1/012115" @default.
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