Project/scholarship details

  • Funder

    FCT - Fundação para a Ciência e a Tecnologia, I.P.

  • Funder's country

    Portugal

  • Funding program

    5876-PPCDTI

  • Funding amount

    165,000.00 €

  • Start date

    2010-05-01

  • End date

    2013-10-31

Documents

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The muonium donor in rutile TiO2 and comparison with hydrogen

Vilão, R. C.; Vieira, R. B. L.; Alberto, H. V.; Gil, J. M.; Weidinger, A.; Lichti, R. L.; Baker, B. B.; Mengyan, P. W.; Lord, J. S.

Muonium, a positive muon and an electron, is often used as an experimentally accessible substitute for hydrogen in materials research. In semiconductors and insulators, a large amount of information on the hydrogen behavior is deduced from this analogy; however, it is seldom demonstrated that this procedure is justified. We show here, via a comparison of the hyperfine interactions, that in TiO2 muonium and hydr...

Date: 2015   |   Origin: Estudo Geral - Universidade de Coimbra
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Electronic structure of interstitial hydrogen in lutetium oxide from DFT + U ca...

Silva, E. Lora da; Marinopoulos, A. G.; Vieira, R. B. L.; Vilão, R. C.; Alberto, H. V.; Gil, J. M.; Lichti, R. L.; Mengyan, P. W.; Baker, B. B.

The electronic structure of hydrogen impurity in Lu2O3 was studied by first-principles calculations and muonium spectroscopy. The computational scheme was based on two methods: first, a semi-local functional of conventional density-functional theory (DFT) and secondly a DFT+U approach which accounts for the on-site correlation of the 4f electrons via an effective Hubbardtype interaction. Three different types o...

Date: 2016   |   Origin: Estudo Geral - Universidade de Coimbra
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High dielectric constant oxides for CMOS technology

Alberto, Marco António Curado

Dissertação de Mestrado Integrado em Engenharia Física apresentada à Faculdade de Ciências e Tecnologia; Hidrogénio em óxidos de terras raras paramagnéticas (óxido de neodímio) foi investigado através de medidas de espectroscopia de muão positivo obtidas nas instalações da ISIS obtidas com o detector EMU (Laboratório Rutherford Appleton , Reino Unido). Muonio, é como um pesudo-isótopo leve do hidrogénio, usado ...

Date: 2017   |   Origin: Estudo Geral - Universidade de Coimbra
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Defect levels and hyperfine constants of hydrogen in beryllium oxide from hybri...

Marinopoulos, A. G.; Vilão, R. C.; Vieira, R. B. L.; Alberto, H. V.; Gil, J. M.; Yakushev, M. V.; Scheuermann, R.; Goko, T.

Date: 2017   |   Origin: Estudo Geral - Universidade de Coimbra
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