Al/n-GaAs/In device
Electroluminescence on off ratio control off n−i−n GaAs/AlGaAs based resonant tunneling structures
... heterostructure device layouts of RTDs are rather simple, certain requirements must be achieved in order to produce high quality devices, ...purely n-doped RTDs, light emission occurs via ...
6
Characterization and Analysis of Multi-Quantum Well Solar Cells.
... with GaAs to form binary and ternary compounds that are electrically important [117, ...to n-GaAs ...the GaAs to form a very highly doped n-type surface that aids in reducing the ...
197
n Type Doping of Vapor–Liquid–Solid Grown GaAs Nanowires
... on n -GaAs is known to be challenging specially at low annealing temperatures due to the already mentioned Fermi level pinning and high density of surface states ...high-doped n-GaAs ...given ...
6
GaAs/Al 0.8 Ga 0.2 As avalanche photodiodes for soft X-ray spectroscopy
... the device leakage current, which adds noise to the ...the device leakage current was significant, resulting in appreciable voltage drops across the bias resistor, hence the applied voltage values were ...
12
Continuous wave terahertz radiation from an InAs/GaAs quantum dot photomixer device
... (QD’s). QD’s may be deposited during molecular beam epi- taxy (MBE) as monolayers of self-assembled islands of III-V materials, driven by surface chemistry. They exhibit many cu- rious optoelectronic properties, which ...
5
Matlab Based Static I-V Characteristics of Optically Controlled Gaas Mesfet’s
... for device and using MATLAB are quite similar A new analytical model for the static I-V characteristics of GaAs MESFET’s under optically controlled conditions in both linear and saturation region is ...
19
Effects of rapid thermal annealing on device characteristics of InGaAs/GaAs quantum dot infrared photodetectors
... the device performances have been well maintained at low annealing ...of device properties observed in this study is much less in extent compared with other reported studies under similar conditions, 16,25 ...
9
Nanophotonic Light Trapping In Thin Solar Cells
... Traditionally, GaAs solar cells have been grown on substrate wafers, with the active device roughly index matched to the thick, inactive substrate mate- rial (∼hundreds of ...the device only get a ...
144
Growth and Characterisation of GaAs/AlGaAs Core-shell Nanowires for Optoelectronic Device Applications
... The sidewalls of GaAs nanowires were found to transform to {110} facets at high temperature as a result of surface atom migration. The rate of the facet transformation was found to be controlled by temperature and ...
12
Avalanche noise characteristics of single Al/sub x/Ga/sub 1-x/As(0.3
... undoped Al Ga As and GaAs layers in the avalanche region and also the aluminum mole fraction, were also estimated by X-ray diffraction ...cases. Device dimensions determined by X-ray diffraction ...
7
Dilute nitride and GaAs n i p i solar cells
... and GaAs n-i-p-i doping solar cells with ion-implanted selective ...the n-i-p-i ...the n-i-p-i structure as a possible design for the GaInP/GaAs/GaInNAs tandem solar ...
5
Electrical characteristics of silicon-doped GaAs lateral p-n junctions
... the GaAs/AIGaAs ...As device layer, where they recombined as ...active device, so lowering the rise of current with applied voltage and thus increasing the value of the ideality ...the GaAs ...
185
Surface reactions of halogens and hydrocarbons on Si and GaAs: Application to ion-assisted device processing
... of GaAs processing has been the relative in stab ility of the m aterial in com parison to silicon d u e to the high v ap o u r p ressure of arsenic at elevated tem ...ore GaAs does n o t possess an ...
331
Observation of hybrid Tamm plasmon exciton polaritons with GaAs quantum wells and a MoSe2 monolayer
... microcavity device: it consists of an AlAs/AlGaAs distributed Bragg reflector (DBR) (30 pairs), which is characterized spectrally by its stop band ranging from 710 to 790 nm ...embedded GaAs QWs (details can ...
6
Optical and Mechanical Characterization of InAs/GaAs Quantum Dot Solar Cells
... The pursuit of the intermediate band solar cell is a more specific, focused use of quantum confined material within a solar cell. This concept’s full potential uses very specific assumptions, such as a concentration ...
162
A GaAs-based self-aligned stripe distributed feedback laser
... p-doped GaAs was overgrown to in fi ll and planarize the index-coupled DFB grating, before 600 nm n-doped GaInP ( lattice-matched to GaAs ) opto-electro- nic con fi nement layer, and 20 nm of ...
7
Materials integration for high-performance photovoltaics by wafer bonding
... The fundamental efficiency limit for state of the art triple-junction photovoltaic devices is being approached. By allowing integration of non-lattice-matched materials in monolithic structures, wafer bonding enables ...
303
Absorption coefficients in AlGaInP lattice-matched to GaAs
... 0 V. Using a calibrated silicon photodiode as reference, the experimental spectral responses yielded quantum efficiencies (η) of the devices over three orders of magnitude due to the very low dark currents of these de- ...
5
Pipeline Embolization Device with or without Adjunctive Coil Embolization: Analysis of Complications from the IntrePED Registry
... Boards, Statistical Analysis, Endpoint Committees, and the Like: ev3/Covidien/ Medtronic,* Comments: Safety Committee; UNRELATED: Board Membership: GE Healthcare Cost-Effectiveness Board*; Consultancy: ...
5
Austenite grain growth behavior of microalloyed Al V N and Al V Ti N steels
... a Al- V-Ti-N steel because the AlN and TiN particles in the Al-V-Ti-N steel do not go completely into solution until above 1200 o , 28 although AlN particles will gradually dissolve with ...
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