| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Suihkonen, Sami
VTT Technical Research Centre of Finland
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (25/25 displayed)
- 2024Metalorganic Chemical Vapor Deposition of AlN on High Degree Roughness Vertical Surfaces for MEMS Fabricationcitations
- 2024Investigative characterization of delamination at TiW-Cu interface in low-temperature bonded interconnectscitations
- 2023Effect of atomic layer annealing in plasma-enhanced atomic layer deposition of aluminum nitride on silicon
- 2020Atomic Layer Deposition of PbS Thin Films at Low Temperaturescitations
- 2020MOCVD Al(Ga)N Insulator for Alternative Silicon-On-Insulator Structurecitations
- 2020Metalorganic chemical vapor deposition of aluminum nitride on vertical surfacescitations
- 2019Two-dimensional plasmons in a GaN/AlGaN heterojunctioncitations
- 2019Two-dimensional plasmons in a GaN/AlGaN heterojunction:Russian Youth Conference on Physics of Semiconductors and Nanostructures, Opto- and Nanoelectronicscitations
- 2019Terahertz Emission due to Radiative Decay of Hot 2D Plasmons in AlGaN/GaN Heterojunction
- 2019P-Channel GaN transistor based on p-GaN/AlGaN/GaN on Sicitations
- 2019Selective terahertz emission due to electrically excited 2D plasmons in AlGaN/GaN heterostructurecitations
- 2017MOVPE growth of GaN on 6-inch SOI-substratescitations
- 2016A new system for sodium flux growth of bulk GaN:Part I : System developmentcitations
- 2016Incorporation and effects of impurities in different growth zones within basic ammonothermal GaNcitations
- 2016A new system for sodium flux growth of bulk GaNcitations
- 2016A new system for sodium flux growth of bulk GaNcitations
- 2015Application of UVA-LED based photocatalysis for plywood mill wastewater treatmentcitations
- 2014Synchrotron radiation x-ray topography and defect selective etching analysis of threading dislocations in GaN.citations
- 2014Effect of growth temperature on the epitaxial growth of ZnO on GaN by ALDcitations
- 2014Synchrotron radiation x-ray topography and defect selective etching analysis of threading dislocations in GaNcitations
- 2009Maskless roughening of sapphire substrates for enhanced light extraction of nitride based blue LEDscitations
- 2008Enhanced electroluminescence in 405 nm InGaN/GaN LEDs by optimized electron blocking layercitations
- 2007Control of the morphology of InGaN/GaN quantum wells grown by metalorganic chemical vapor depositioncitations
- 2007Reduction of threading dislocation density in A1 0.12 Ga 0.88 N epilayers by a multistep techniquecitations
- 2006Morphology optimization of MOCVD-grown GaN nucleation layers by the multistep techniquecitations
Places of action
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article
Two-dimensional plasmons in a GaN/AlGaN heterojunction
Abstract
We report the studies on optical properties of a GaN/AlGaN heterostructure with a surface metal grating. The fabricated structures were optimized for the observation of 2D plasmon resonances in the spectral range of 2–5 THz. The spectra of the equilibrium optical transmission were experimentally investigated and the 2D plasmon resonance was found. The current-voltage characteristics of the grating sample and a reference sample without grating were measured and the dependence of the hot 2D electron temperature on electric field was established. Terahertz electroluminescence was studied in both samples in the sensitivity band of the Ge:Ga detector in electric fields of up to 400 V/cm. It has been shown that, due to the contribution of nonequilibrium 2D plasmons, the integral photoresponse signal for the sample with a surface metal grating increases 2–4 times as compared with the sample without grating, where the terahertz emission is due only to hot 2D electrons. ; Peer reviewed