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CERN Document Server 找到 7 筆記錄  檢索需時 1.47 秒. 
1.
Contactless doping characterization of ${\mathrm{Ga}_{2}\mathrm{O}_{3}}$ using acceptor Cd probes / Barbosa, Marcelo B (Porto U. ; Singapore Natl. U.) ; Correia, João Guilherme (IST/ITN, Lisbon ; CERN) ; Lorenz, Katharina (Lisbon, IST) ; Lopes, Armandina M L (Porto U.) ; Oliveira, Gonçalo N P (Porto U.) ; Fenta, Abel S (CERN ; Aveiro U. ; Leuven U.) ; Schell, Juliana (CERN ; U. Duisburg-Essen) ; Teixeira, Ricardo (IST, Lisbon (main)) ; Nogales, Emilio (Madrid U.) ; Méndez, Bianchi (Madrid U.) et al.
Finding suitable p-type dopants, as well as reliable doping and characterization methods for the emerging wide bandgap semiconductor $\beta$-${\mathrm{Ga}_{2}\mathrm{O}_{3}}$ could strongly influence and contribute to the development of the next generation of power electronics. In this work, we combine easily accessible ion implantation, diffusion and nuclear transmutation methods to properly incorporate the Cd dopant into the $\beta$-${\mathrm{Ga}_{2}\mathrm{O}_{3}}$ lattice, being subsequently characterized at the atomic scale with the Perturbed Angular Correlation (PAC) technique and Density Functional Theory (DFT) simulations. [...]
2022 - 9 p. - Published in : Sci. Rep. 12 (2022) 14584 Fulltext: PDF;
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2.
Free Molecule Studies by Perturbed $\gamma - \gamma$ Angular Correlation: A New Path to Accurate Nuclear Quadrupole Moments / Haas, Heinz (CERN ; U. Aveiro (main)) ; Röder, Jens (CERN ; U. Aveiro (main)) ; Correia, Joao G (CERN ; IST, Lisbon (main)) ; Schell, J (CERN ; U. Duisburg-Essen) ; Fenta, Abel S (U. Aveiro (main)) ; Vianden, Reiner (Bonn U., HISKP) ; Larsen, Emil M H (U. Copenhagen (main)) ; Aggelund, Patrick A (U. Copenhagen (main)) ; Fromsejer, Rasmus (U. Copenhagen (main)) ; Hemmingsen, Lars B S (U. Copenhagen (main)) et al.
Accurate nuclear quadrupole moment values are essential as benchmarks for nuclear structure models and for the interpretation of experimentally determined nuclear quadrupole interactions in terms of electronic and molecular structure. Here, we present a novel route to such data by combining perturbed γ-γ angular correlation measurements on free small linear molecules, realized for the first time within this work, with state-of-the-art ab initio electronic structure calculations of the electric field gradient at the probe site. [...]
2021 - 6 p. - Published in : Phys. Rev. Lett. 126 (2021) 103001 Fulltext: PDF;
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3.
Locally probing adatoms on graphene using perturbed angular correlation spectroscopy / Da Silva Fenta, Abel Eduardo
The interest in understanding the interaction between graphene and atoms and molecules that are adsorbed on its surface (adatoms and admolecules) spans a wide range of research fields and applications, for example, to controllably change the properties of graphene in electronic devices or to detect [...]
CERN-THESIS-2018-464 - 164 p.

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4.
Ultra sensitive quantification of Hg$^{2+}$  sorption by functionalized nanoparticles using radioactive tracker spectroscopy / Amorim, Carlos O (Aveiro U. ; U. Aveiro (main)) ; Gonçalves, João N (Aveiro U.) ; Tavares, Daniela S (U. Aveiro (main)) ; Fenta, Abel S (Aveiro U. ; CERN ; Leuven U.) ; Lopes, Cláudia B (U. Aveiro (main) ; CIIMAR, Porto) ; Pereira, Eduarda (U. Aveiro (main)) ; Trindade, Tito (U. Aveiro (main)) ; Correia, João G (CERN ; IST, Lisbon (main)) ; Amaral, Vítor S (Aveiro U.) /Isolde
We present an ultra sensitive method to quantify the uptake of Hg by dithiocarbamate functionalized magnetic nanoparticles using radioactive tracker spectroscopy. We show a lower limit of detection of about 10 fg L-1, much lower than any other known techniques used to determine the uptake of Hg (about 104 more sensitive), without the need of digesting or processing the sorption agent. [...]
2018 - 6 p. - Published in : Microchem. J. 138 (2018) 418-423 Fulltext: PDF;
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5.
Unraveling the local structure of topological crystalline insulators using hyperfine interactions / Pereira, Lino M C (KU Leuven, Instituut voor Kern- en Stralingsfysica, 3001 Leuven, Belgium) ; Springholz, Gunther (Institut fur Halbleiter und Festkorperphysik, Johannes Kepler Universitat, 4040 Linz, Austria) ; Schell, Juliana (CERN, PH Div, CH-1211 Geneve 23, Switzerland, and Technische Physik, Universitat des Saarlandes, 66041 Saarbrucken, Germany) ; Correia, João Guilherme (Centro de Ciencias e Tecnologias Nucleares, Instituto Superior Tecnico, Universidade de Lisboa, 2686-953, Sacavem, Portugal) ; Gunnlaugsson, Haraldur P (CERN, PH Div, CH-1211 Geneve 23, Switzerland, and KU Leuven, Instituut voor Kern- en Stralingsfysica, 3001 Leuven, Belgium) ; Molholt, Torben E (CERN, PH Div, CH-1211 Geneve 23, Switzerland) ; Cottenier, Stefaan (Center for Molecular Modeling, Ghent University, 9000 Gent, Belgium) ; Deicher, Manfred (Technische Physik, Universitat des Saarlandes, 66041 Saarbrucken, Germany) ; Augustyns, Valerie (KU Leuven, Instituut voor Kern- en Stralingsfysica, 3001 Leuven, Belgium) ; Lima, Tiago A L (KU Leuven, Instituut voor Kern- en Stralingsfysica, 3001 Leuven, Belgium) et al.
CERN-INTC-2016-005 ; INTC-P-455. - 2016.
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6.
VITO setup: Status Report / Stachura, Monika (CERN) ; Johnston, Karl (Saarland U.) ; Gottberg, Alexander (CERN) ; Bissell, Mark L (IKS Leuven, Belgium) ; Garcia Ruiz, Ronald F (IKS Leuven, Belgium) ; Martins Correia, Joao (Lisbon U.) ; Granadeiro Costa, Angelo R (Aveiro U.) ; Dehn, Martin (Munich, Tech. U.) ; Deicher, Manfred (Saarland U.) ; Fenta, Abel (Aveiro U.) et al.
CERN-INTC-2015-015 ; INTC-SR-050. - 2015.
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7.
Modelização e estudo experimental de óxidos multiferróicos / Fenta, Abel
The main goal of this work was the theoretical and experimental study of multiferroics oxides [...]
CERN-THESIS-2011-328 - 60 p.

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