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Action MP0805 Novel Gain Materials And Devices Based On III-V-N Compounds

Action MP0805 Novel Gain Materials And Devices Based On III-V-N Compounds. Duration: 04/2009– 04/2013 Participating countries: CZ,DE, DK, ES, FR, GR, IT, IL, IS, RO, PL, PT, LT, FI, CH, IE, TR,UK Chair of the Action : Naci Balkan; balkan@essex.ac.uk

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Action MP0805 Novel Gain Materials And Devices Based On III-V-N Compounds

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  1. Action MP0805 Novel Gain Materials And Devices Based On III-V-N Compounds • Duration: 04/2009– 04/2013 • Participating countries: CZ,DE, DK, ES, FR, GR, IT, IL, IS, RO, PL, PT, LT, FI, CH, IE, TR,UK • Chair of the Action: Naci Balkan; balkan@essex.ac.uk • Science Officer: Caroline Whelan; cwhelan@cost.esf.org http://csee.essex.ac.uk/Research/COST_MP805/ Working Group 1: Growth and Materials Development This activity underpins the other WGs, but also requires inputs from them in order to maximise the impact. Only when all these inputs are in place can the full potential of optimised growth be achieved. The impact of these many collaborative activities will be an understanding of the physical limitations for growth. This will lead to realisation of the concept of engineered material for specific device requirements. III-V +Nitrogen Gain Working Group 2: Material and Physical Characterisation The objectives here are to achieve a full understanding of the role of nitrogen incorporation on the electronic and optical properties of the dilute nitrides and the Indium incorporation of In-rich GaInN Working Group 3: Devices The devices and integration activity is the one of key importance to the industry in the EU zone.  Edge emitting and surface emitting lasers for applications in telecommunications and data communications are the main commercial product at present. However, in the future applications in high power high frequency field effect transistors (FETs) and terahertz devices, optical communications, thermo-voltaic cells, electro-chemical environmental sensors and medicine could follow Objectives: The COST Action will focus on setting up a network of European researchers active in the field of the novel semiconductor III-N-V gain materials (dilute nitrides and indium-rich GaInN. Dilute nitrides, including GaInNAs, GaNP, and GaInNAs-P) These have emerged from conventional III-V semiconductors by the insertion of nitrogen into the group V sub-lattice, and indium-rich GaInN by the insertion of indium into GaN. These processes have a profound effect on the electronic properties of host materials and allow a wide range of options for band structure engineering, which is expected to lead to novel devices for displays, data storage, transmission, solar cells, photodynamic therapy, surgery, terahertz devices and gas sensors operating in a wavelength range, extending from 0.3 to 3.0 µm. The Action covers material growth and characterisation, theory, device modelling and fabrication, as well as device performance and characterisation. Working Group 4: Theory and Modelling WG4 will enable device design to be optimised with confidence.  This will only be possible with appropriate inputs from the other WGs in the Action.  Device and material specifications, and measurements of key parameters will feed into the theory and modelling in order to ensure a close match of theory and practice, and that the models developed are fit for purpose Achievements to Date • Scientific Kick of Meeting: 24 May 2009 : Essex: • Workshop 51 Participants; 15 Oral presentations; 18 Poster Presentations • MC & WG meetings • 4 STSMs have been realised • 1 Training school • Core MC; WG and Workshop being organized at Delphi Greece: 7-9 October 2009

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