| 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
Selective terahertz emission due to electrically excited 2D plasmons in AlGaN/GaN heterostructure
Abstract
Terahertz radiation emission from an electrically excited AlGaN/GaN heterostructure with a surface metal grating was studied under conditions of two-dimensional (2D) electron heating by the lateral electric field. Intensive peaks related to nonequilibrium 2D plasmons were revealed in the terahertz emission spectra with up to 4 times selective amplification of the radiation emission in the vicinity of 2D plasmon resonance. This selective emission was shown to be frequency-controllable by the grating period. Exact spectral positions of the 2D plasmon resonances were preliminarily experimentally detected with the help of equilibrium transmission spectra measured at various temperatures. The resonance positions are in a satisfactory agreement with the results of theoretical simulation of the transmission spectra performed using a rigorous solution of Maxwell's equations. The effective temperature of hot 2D electrons was determined by means of I- V characteristics and their analysis using the power balance equation. It was shown that for a given electric field, the effective temperature of nonequilibrium 2D plasmons is close to the hot 2D electron temperature. The work may have applications in GaN-based electrically pumped emitters of terahertz radiation. ; Peer reviewed