low-temperature (LT) grown GaAs
Optimization and Characterization of Indium Arsenide Quantum Dots for Application in III-V Material Solar Cells
... of GaAs spacer layer thick- ness on QD coupling by varying both low temperature (LT) and high temperature (HT) GaAs spacer layer ...samples grown with a standard LT+HT thick- ...
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Low temperature growth of highly crystalline β Ga2O3 nanowires by solid source chemical vapor deposition
... then observed by TEM as depicted in Figure 2a, which further confirms the straight NWs with smooth surfaces. Furthermore, the elemental composition is analyzed by EDS, and the typical spectrum is illustrated in Figure ...
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Low Temperature Photoluminescence Measurement of Extremely Thin InGaAs/GaAs Multi Quantum Wells Grown by Molecular Beam Epitaxy
... In summary, we have demonstrated that the / MQW structures were successfully grown by MBE using solid source. Five samples of different indium composition were successfully grown. For each sample, clear ...
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Structural and optical properties of position retrievable low density GaAs droplet epitaxial quantum dots for application to single photon sources with plasmonic optical coupling
... the GaAs DE QDs was approximately two times larger than that of the Ga ...the GaAs DE QDs is not iden- tical when they are grown on the surface and buried in the AlGaAs ...of GaAs DE QDs of ...
5
Magnetotransport in an aluminum thin film on a GaAs substrate grown by molecular beam epitaxy
... the temperature dependences of resis- tivity for various scattering mechanisms [13,14] that are generally observed in bulk ...At low tempera- tures, T (lower than the Debye temperature), electron- ...
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Observation and tunability of room temperature photoluminescence of GaAs/GaInAs core multiple quantum well shell nanowire structure grown on Si (100) by molecular beam epitaxy
... and GaAs have been used to realize homogeneous NW and their epitaxial alloys to form het- erogeneous ...and GaAs are extremely attractive for making various optoelectronic devices due to their high electron ...
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Controlled suppression of the photoluminescence superlinear dependence on excitation density in quantum dots
... of GaAs QDs by DE technique relies on maintaining a low substrate temperature and a high beam equivalent pressure As flux during the crystallization pro- cess, to prevent the migration of Ga atoms ...
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Strain induced high ferromagnetic transition temperature of MnAs epilayer grown on GaAs (110)
... their low Curie temperature due to the low solubility of transition metals in semiconductors ...(113)-oriented GaAs substrates [4-9]. Moreover, MnAs/GaAs having sharper interface than ...
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Structural and optical properties of position retrievable low density GaAs droplet epitaxial quantum dots for application to single photon sources with plasmonic optical coupling
... the GaAs DE QDs was approximately two times larger than that of the Ga ...the GaAs DE QDs is not iden- tical when they are grown on the surface and buried in the AlGaAs ...of GaAs DE QDs of ...
5
Single photon emission from single InGaAs/GaAs quantum dots grown by droplet epitaxy at high substrate temperature
... uses low temperature for QD growth to prevent material redistribution ...the low-temperature growth hinders the good optical quality of the grown QD ...the low-temperature ...
5
Electrically pumped continuous-wave III–V quantum dot lasers on silicon
... a low growth temperature of 350 ...of GaAs epitaxial growth was performed 8,29 . The three layers of GaAs were grown at 350 ¡C, 450 ¡C, and 590 ¡C for 30 nm, 170 nm, and 800 nm, ...
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Characterization of the Nucleation Layer in GaN/Sapphire Heterostructures
... The high melting temperatures and dissociation pressures make it difficult to obtain large single crystals of GaN, which can serve as substrates for homoepitaxial growth. Therefore single crystal GaN films have been ...
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Synthesis of CuFeS2 Nanoparticles by One-pot Facile Method
... room temperature using the Schlenk ...a temperature about 140 °C, and the color turned darker, indicating nucleation and growth ...above-mentioned temperature for 4 h before cooling it to room ...
8
Synthesis And Characterization of Zno-Nanorods By Sol-Gel Method For White Led Phosphors
... of low dimensional structures such as nanoparticles (NPs) nanorods (NRs), nanobelts (NBs) and nanotubes (NTs) which can be grown on any substrate without the need of lattice matching 2,3 ...of low ...
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Synthesis and Characterization of Zno - Nanorods by Sol-Gel Method for White LED Phosphors
... We were synthesised the Znonanorods by the simple sol gel method in room temperature conditions .The Znonanorods (NRs) grown in solution by a simple chemical method. The figure 1 represents the respective ...
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Increasing minority carrier lifetime in as grown multicrystalline silicon by low temperature internal gettering
... a low dislocation ...a low dislocation ...very low (<2 10 5 cm 2 ) dislocation densities, and the frequency distribution falls off with increasing ...
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Interband Photoconductivity of Metamorphic InAs/InGaAs Quantum Dots in the 1 3–1 55 μm Window
... On such basis, we can infer that carriers excited in QDs can thermally escape to WL and MB: there, elec- trons and heavy holes are separated by the band bending in the QD vicinity (Fig. 4a), which promotes the hole ...
9
Measurement of the spin temperature of optically cooled nuclei and GaAs hyperfine constants in GaAs/AlGaAs quantum dots
... Previous extensive experiments on optical probing of the QD nuclear spins have been limited to the nuclear mean-field approach [15]. The nuclear spin thermometry reported here is the first study beyond this framework and ...
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Characterization of 6 1 Å III V materials grown on GaAs and Si: a comparison of GaSb/GaAs epitaxy and GaSb/AlSb/Si epitaxy
... and dark current measurements, GaSb p-i-n structures grown on GaAs and Si substrates using IMF.. arrays were compared with an equivalent structure grown lattice matched on native GaSb..[r] ...
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Suppression of cross-hatched polariton disorder in GaAs/AlAs microcavities by strain compensation
... of GaAs and AlAs layers differ by 0.14% at room temperature, leading to strain in AlAs layers grown on GaAs substrates, which for a film thickness above a critical thickness 1 relaxes by the ...
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