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InGaN layer

Evolution of the m-plane quantum well morphology and composition within a GaN/InGaN core–shell structure

Evolution of the m-plane quantum well morphology and composition within a GaN/InGaN core–shell structure

... two InGaN layers can now be distinguished along the [10 − 10] direction: first, a continuous inner layer of 8 nm of relatively homogeneous InN content (delineated by a dashed line in Figure 4b), and with a ...

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Investigation of facet-dependent InGaN growth for core-shell LEDs

Investigation of facet-dependent InGaN growth for core-shell LEDs

... InGaN layer. The morphology and optical characteristics of the InGaN layers grown of each facet were investigated by cathodoluminescence (CL) hyperspectral imaging and scanning electron microscopy ...

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Quantum well engineering in InGaN/GaN core-shell nanorod structures

Quantum well engineering in InGaN/GaN core-shell nanorod structures

... As in the series where the growth temperature of the InGaN layer was varied, little to no CL is seen from the tips of the rods, and that from edges of the rods tends to be spectrally broader. This suggests ...

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InGaN/GaN multilayer quantum dots yellow green light emitting diode with optimized GaN barriers

InGaN/GaN multilayer quantum dots yellow green light emitting diode with optimized GaN barriers

... barrier layer of sample F was grown at the InGaN growth temperature and using nitrogen as carrier ...barrier layer is rather rough in Figure ...of InGaN QDs in different layers. On the other ...

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Doping concentration effect on performance of single QW double-heterostructure InGaN/AlGaN light emitting diode

Doping concentration effect on performance of single QW double-heterostructure InGaN/AlGaN light emitting diode

... the InGaN/AlGaN double heterostructure light-emitting diode (LED) is successfully ...in InGaN layer increased drastically through the increment of LED’s drive voltage along with different levels of ...

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Investigation of indium gallium nitride facet-dependent nonpolar growth rates and composition for core–shell light-emitting diodes

Investigation of indium gallium nitride facet-dependent nonpolar growth rates and composition for core–shell light-emitting diodes

... 700°C InGaN growth, no emission was identified on the rough a -plane, possibly due to surface states introduced by roughening, acting as paths for nonradiative recombination 41 at high indium ...the InGaN ...

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Carrier dynamics in InGaN/GaN on the basis of different In concentrations

Carrier dynamics in InGaN/GaN on the basis of different In concentrations

... Abstract: InGaN/GaN samples grown on c-plane sapphire substrate with different In concentrations by metal organic chemical vapor deposition are ...GaN layer growth opens a possibility for dislocation ...

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Effect of InGaN thickness on assisted trap recombination and behaviour of InGaN/AlGaN double heterostructure LED

Effect of InGaN thickness on assisted trap recombination and behaviour of InGaN/AlGaN double heterostructure LED

... emission rate from InGaN layer as a function of applied current. The visible effect is known as LED droop. This LED droop caused by a non-radiative carrier loss mechanism that has little effect at low ...

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Blue light emission from the heterostructured ZnO/InGaN/GaN

Blue light emission from the heterostructured ZnO/InGaN/GaN

... Firstly, InGaN films were deposited on commercially available (0001) p-GaN wafers on sapphire by radiofrequency plasma-assisted molecular beam epitaxy (SVTA35-V-2, SVT Associates ...The InGaN film consisted ...

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Phosphor Free Apple White LEDs with Embedded Indium Rich Nanostructures Grown on Strain Relaxed Nano epitaxy GaN

Phosphor Free Apple White LEDs with Embedded Indium Rich Nanostructures Grown on Strain Relaxed Nano epitaxy GaN

... from InGaN/GaN multiple quantum wells (MQWs) grown on different GaN templates and to achieve enhanced indium incorporation in the InGaN nanostructures embedded in the well layer, four MQWs samples ...

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Fabrication of vertical GaN/InGaN heterostructure nanowires using Ni Au bi metal catalysts

Fabrication of vertical GaN/InGaN heterostructure nanowires using Ni Au bi metal catalysts

... the InGaN layer in the LOHN is different from that in the COHN because it shifts to the indium- rich sides, owing to the indium-rich supersaturated com- position of the liquid metal ...the InGaN ...

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Substrate Free InGaN/GaN Nanowire Light Emitting Diodes

Substrate Free InGaN/GaN Nanowire Light Emitting Diodes

... The increase of the injection current above 10 mA re- sulted in the LED failure. We believe that the device deg- radation is not caused by the NW structural degradation, but by the top contact failure, for which we ...

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Impact of alloy fluctuations and Coulomb effects on the electronic and optical properties of c-plane GaN/AlGaN quantum wells

Impact of alloy fluctuations and Coulomb effects on the electronic and optical properties of c-plane GaN/AlGaN quantum wells

... AlGaN, InGaN or even AlInN systems, is that localization effects prevent the carriers from reaching these ...in InGaN/GaN QW systems and its impact on the QW optical ...to InGaN, far less attention ...

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Confocal Microscopy using an InGaN violet laser diode at 406nm

Confocal Microscopy using an InGaN violet laser diode at 406nm

... of InGaN laser diodes up to 1GHz) means that phase-sensitive detection is possible, which along with the confocal microscope will further improve the signal to noise of the ...

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High Piezoelectric Conversion Properties of Axial InGaN/GaN Nanowires

High Piezoelectric Conversion Properties of Axial InGaN/GaN Nanowires

... Distributed under a Creative Commons CC BY license..[r] ...

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Pösl, Christine
  

(2017):


	Synthetic strategies and structural chemistry of novel nitridogallates, nitridogermanates, and nitridosilicates.


Dissertation, LMU München: Fakultät für Chemie und Pharmazie

Pösl, Christine (2017): Synthetic strategies and structural chemistry of novel nitridogallates, nitridogermanates, and nitridosilicates. Dissertation, LMU München: Fakultät für Chemie und Pharmazie

... The importance of Ga-containing compounds has increased significantly since the investigations of InGaP, GaAsP, or AlGaAs, which represent solid-solutions of III-V-semiconductor materials that are technologically ...

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Growth via Low Pressure Metalorganic Vapor PhaseEpitaxy and Surface Characterization of GaN and In(x)Ga(1-x)N Thin Films.

Growth via Low Pressure Metalorganic Vapor PhaseEpitaxy and Surface Characterization of GaN and In(x)Ga(1-x)N Thin Films.

... from Layer by Layer to ...in InGaN was ...in InGaN growth but may not have prominence under high ammonia partial pressure if the nominal film thickness falls well below ...

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InGaN-based photoanode with ZnO nanowires for water splitting

InGaN-based photoanode with ZnO nanowires for water splitting

... on InGaN-based thin films were investigated by the XRD ...The layer information for this innovative photoanode is shown in ...sapphire, InGaN/GaN thin film, and ZnO ...

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Recombination Pathways in Green InGaN/GaN Multiple Quantum Wells

Recombination Pathways in Green InGaN/GaN Multiple Quantum Wells

... of InGaN well by absorbing the incident UV photons, and then parts of excited carriers relax to the states near the bandgap edge by releasing excess en- ergy as ...in InGaN well layers is low because of the ...

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Facet recovery and light emission from GaN/InGaN/GaN core-shell structures grown by metal organic vapour phase epitaxy on etched GaN nanorod arrays

Facet recovery and light emission from GaN/InGaN/GaN core-shell structures grown by metal organic vapour phase epitaxy on etched GaN nanorod arrays

... characterise the optical properties of the GaN/InGaN/GaN core-shell structures, shown in Figure 12(b). This technique measures the full emission spectrum from successive local- ised regions determined by the ...

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