Objective
Significant progress has been made in the understanding of ion implanted impurities in gallium arsenide. In particular, indium, cadmiun, mercury, selenium, zinc, tin and bromine radioactive isotopes have been implanted which have helped in developing a better understanding of the implantation process in gallium arsenide and the defects introduced as a result of the implantation process. For the first time, a technique has been established to study the electrical characteristics of short lived perturbed angular correlation probes in gallium arsenide. Thus both electrical and perturbed angular correlation measurements can be performed on similar samples immediately after implantation. For example, the short lived isotope selenium-73, which is a donor impurity in gallium arsenide, has been studied in this way. However, the development of a detailed model for the incorporation of these impurities in the gallium arsenide lattice is still not complete.
Radioactive implants of In+, Sb+, Cd+, Hg+, Se+, Zn+ and Ge+ will be carried out into previously implanted GaAs substrates in order to perform PAC measurements. The results will be compared with detailed studies of non-radioactive implants using electrical, optical and Rutherford backscattering measurements in particular. Rapid thermal annealing will be used to process samples, the aim being to develop detailed models for the incorporation of the impurities in the GaAs lattice. The result should be a process model will be useful to industry.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences chemical sciences inorganic chemistry transition metals
- natural sciences chemical sciences inorganic chemistry post-transition metals
- natural sciences chemical sciences inorganic chemistry halogens
- medical and health sciences medical biotechnology implants
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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.
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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.
Coordinator
GU2 5XH GUILDFORD
United Kingdom
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