InGaN/GaN quantum-well
Photoluminescence studies of a perceived white light emission from a monolithic InGaN/GaN quantum well structure
... annealed InGaN/GaN quantum well structures with active layer emitting in the blue region were analysed by optical ...monolithic InGaN/GaN struc- ture due to the combination of ...
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Patterned growth of InGaN/GaN quantum wells on freestanding GaN grating by molecular beam epitaxy
... of InGaN/GaN quantum wells on freestanding GaN gratings by molecular beam epitaxy ...Various GaN gratings are defined by electron beam lithography and realized on GaN-on- silicon ...
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Cathodoluminescence hyperspectral imaging of trench-like defects in InGaN/GaN quantum well structures
... the well-known V-pits are observed, which act as centres for non-radiative recombination and therefore appear as dark spots in the CL intensity ...the GaN–sapphire ...
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Observation of V Defects in Multiple InGaN/GaN Quantum Well Layers
... field (HAADF) scanning transmission electron microscopy (STEM) and conventional transmission electron microscopy. HAADF-STEM provided undoubted evidence that V defects in the multiple QW have the thin six-walled structure ...
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InGaN/GaN quantum wells grown on polar and nonpolar GaN substrates
... between GaN and sapphire, the main substrate for commercial LEDs, is 13% ...emissions, InGaN QWs’ immunity to the structural defects drew much research attention in the last ...as quantum dot ...
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Exciton properties in zincblende InGaN GaN quantum wells under the effects of intense laser fields
... In the fifth row (Figure 1e), the evolution of the confined electron and hole levels as functions of α 0 clearly show the growth in the energy values that resulted from the laser- induced deformation of the conduction and ...
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Influence of stress on optical transitions in GaN nanorods containing a single InGaN/GaN quantum disk
... homo-epitaxial GaN templates, the degree of strain relaxation in the overall structure will depend on the diameter and height of the nanorods, with complete strain relaxation occurring when their height exceeds ...
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Study of GaN-based Materials for Light-emitting Applications
... with InGaN/GaN quantum ...an InGaN well sandwiched between GaN barriers), the spinodal may perhaps be suppressed relative to the unstrained ...in InGaN/GaN ...
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InGaN/GaN Multiple Quantum Well Light-Emitting Diodes Grown on Polar, Semi-polar and Non-Polar Orientations.
... the GaN NWs to a structure after annealing and few minutes of ...The GaN NWs broaden in diameter and reduce in number as seen in the SEM image of ...the GaN NWs look to reduce their large surface ...
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Phosphor Free Apple White LEDs with Embedded Indium Rich Nanostructures Grown on Strain Relaxed Nano epitaxy GaN
... 2]. InGaN/GaN, multiple quantum wells (MQWs) are often employed as the active layers due to their relatively high recombination efficiency and blue to green III-Nitride LEDs are com- mercially ...
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Effect of electric and magnetic fields on impurity binding energy in zinc-blend symmetric InGaN/GaN multiple quantum dots
... GaN quantum dots and quantum wire ...dimensional quantum structures. The impurity effects in ZB GaN-based multiple QDs have also been investi- gated theoretically ...adjacent ...
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Effect of hydrogen treatment temperature on the properties of InGaN/GaN multiple quantum wells
... of InGaN/GaN multiple quantum wells ...and GaN result in the gener- ation of several kinds of defects, such as alloy disor- dering, misfit dislocations, and stacking faults, which deteriorates ...
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Site controlled red-yellow-green light emitting InGaN quantum discs on nano-tipped GaN rods
... The GaN films patterned by nano- spheres were then placed back into the reactor for further ...of GaN used (~300 nm estimated growth thickness) were the same as for the bulk base ...The InGaN ...
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Preparation of a Periodic Polystyrene Nanosphere Array Using the Dip Drop Method with Post deposition Etching and Its Application of Improving Light Extraction Efficiency of InGaN/GaN LEDs
... for InGaN/GaN LEDs with- out and with the compact PS NS array were ...for InGaN/GaN LEDs with and without PS NS array win- dow layers were attributed to them having the same epi- taxial ...for ...
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Substrate Free InGaN/GaN Nanowire Light Emitting Diodes
... Nitride light-emitting diodes (LEDs) have found numer- ous applications in our everyday life (general lighting, automotive headlamps, traffic signals, indicator lamps for electronic devices, etc.). Today, the market is ...
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Blue light emission from the heterostructured ZnO/InGaN/GaN
... particular, InGaN with a continuously variable bandgap from ...thus, InGaN/GaN WLEDs are regarded as the most promising solid-state lighting device which can work in the whole visible and part of the ...
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Enhanced Light Emission due to Formation of Semi polar InGaN/GaN Multi quantum Wells
... Recently, GaN based light-emitting diodes (LEDs) with InGaN/GaN multi-quantum wells (MQWs) as the active region is being widely used in the field of solid-state semi- conductor lighting ...
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Impact of alloy fluctuations and Coulomb effects on the electronic and optical properties of c-plane GaN/AlGaN quantum wells
... between InGaN/GaN and GaN/AlGaN wells. While in InGaN/GaN heterostructures in general the overall polarization vector field is dominated by piezoelectric effects, in GaN/AlGaN ...
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High Piezoelectric Conversion Properties of Axial InGaN/GaN Nanowires
... Distributed under a Creative Commons CC BY license..[r] ...
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Reduction of Polarization Field Strength in Fully Strained c Plane InGaN/(In)GaN Multiple Quantum Wells Grown by MOCVD
... In this paper, the polarization strengths in quantum well structures with indium content varying from 14.8 to 26.5% are experimentally investigated through photo- luminescence and high-resolution X-ray ...
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