Objective
The project is aimed to search, design and study novel crystalline materials for new solid-state lasers and scintillators emitting in the ultraviolet (UV) and vacuum ultraviolet (VUV) spectral ranges. Various combinations of fluoride crystal hosts with their large forbidden gap and trivalent rare earth (RE) ions (Ce3+, Pr3+, Nd3+, Er3+, Tm3+) having interconfiguration 5d - 4f transitions provide an exceptional possibility for developing high-efficiency UV/VUV lasers and scintillation materials. The development and improvement of single crystal growth techniques and the growth of high-quality fluoride crystals doped with RE ions from the melts and by the hydrothermal method in the AF - A'F - REF3 and BaF2 - REF3 systems (A, A' alkali metals) will be realised within the framework of this project. The effect of different kinds of radiation (electron beams, g-rays, X-rays, VUV radiation) on optical, luminescence and scintillation properties of complex fluorides doped with RE ions will be studied by different experimental techniques: absorption spectra of rare earth ions and colour centres induced by ionising radiation, the spectral and kinetic properties of UV and VUV luminescence, the scintillation light yield and kinetics, the efficiency and mechanisms of the energy transfer from fluoride hosts to RE ions.
The influence of crystalline environment (crystal field strength and symmetry of crystallographic site) and concentration of RE ions on luminescence properties of synthesised crystals will be analysed. The possibility for utilising crystals with intrinsic or impurity crossluminescence as attractive materials for solid state UV and VUV lasers and for neutron/gamma discrimination detectors will be tested. The most promising schemes of pumping for VUV laser action will be developed. As a final result of this project several optimal combinations of fluoride hosts and optically active RE ions will be chosen for applications in quantum electronics and scintillation technique, in particular in positron emission tomography.
Fields of science (EuroSciVoc)
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
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Coordinator
22761 Hamburg
Germany
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.