WebFeb 12, 2024 · High-purity (In: 99.999% and Se: 99.999%) small particles of indium and selenium are mixed in an airtight quartz ampoule (10 -5 Torr) at an atomic molar ratio of 1:1. This ampoule was placed in a furnace to heat until 800 °C and maintained at this temperature for 48 hours to complete the reaction of indium and selenium. WebNov 25, 2024 · The interfacial binding energy, calculated by the following formula, is present to estimate the relative stability of heterostructure, E b = E h e t − E I n S e − E G a A s S 0 where Ehet is the total energy of InSe/GaAs heterostructure, EInSe and EGaAs mean the energies of isolated InSe and GaAs monolayers.
(PDF) The optical properties of few-layer InSe - ResearchGate
WebNov 28, 2024 · A comprehensive insight into the electronic and optical properties of small-lattice-mismatched InSe-GeTe heterobilayer (HBL) is performed based on the density functional theory (DFT) with van der Waals corrections from first-principles perspective. The optimization of most stable geometric stacking mode for the InSe-GeTe HBL is … WebOct 6, 2024 · This work reports the nonlinear optical properties and ultrafast carrier dynamics of indium selenide (InSe) nanosheets obtained via liquid-phase exfoliation under pulsed excitation with different durations. InSe nanosheets exhibit a better saturable absorption response under 6 ns pulse excitation than that under 380 fs excitation. east greenacres water
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WebOptical properties of 2D InSe nanosheets. (a) Scheme of the conduction and valence bands of bulk InSe and its SL, as extracted from ref 35. The band gap values obtained by density … WebJun 16, 2024 · The systematic study of the intrinsic nonlinear optical properties of InSe nanosheets and ultrafast carrier dynamics provides experimental and theoretical guidance for the development of InSe ... WebThe electrical and optical properties of InSe have been investigated with single crystals of the compound. The spectral dependence of the optical absorption coefficient and of the photoconductivity was measured. The optical absorption edge was not sufficiently well defined for the band gap to be estimated unambiguously. The photoconductive response … east greeley natural area