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2006 - Physics Degree, Universidade de Aveiro
2007 - MSc Physics Engineering, Universidade de Aveiro
2011 - PhD, Universidade de Aveiro
2012 to 2018 - Post-doctoral researcher
2019 to present - Researcher
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"Volume dependence of magnetic properties in Co2Cr1−xYxGa (Y=Ti-Ni) Heusler alloys: A first-principles study", J. N. Gonçalves, N. M. Fortunato, J. S. Amaral, V. S. Amaral, Journal of Magnetism and Magnetic Materials 428 362 (2017). DOI: 10.1016%2Fj.jmmm.2016.12.102
"Magnetovolume Effects in Heusler Compounds via First-Principles Calculations", J. N. Gonçalves, J. S. Amaral, V. S. Amaral, IEEE Transactions on Magnetics 50 1301104 (2014). DOI: 10.1109/TMAG.2014.2326892
"Hyperfine local probe study of alkaline-earth manganites SrMnO3 and BaMnO3", J. N. Gonçalves, V. S. Amaral, J. G. Correia, A. M. L. Lopes, J. P. Araújo, P. B. Tavares, Journal of Physics: Condens. Matter 26 215401 (2014). DOI: 10.1088/0953-8984/26/21/215401
"Ab initio study of the relation between electric polarization and electric field gradients in ferroelectrics", J. N. Gonçalves, A. Stroppa, J. G. Correia, T. Butz, S. Picozzi, A. S. Fenta, V. S. Amaral, Physical Review B 86 035145 (2012). DOI: 10.1103/PhysRevB.86.035145
"Hyperfine interactions in MnAs studied by perturbed angular correlations of γ-rays using the probe Br77→ Se77 and first-principles calculations for MnAs and other Mn pnictides", J. N. Gonçalves, V. S. Amaral, J. G. Correia, A. M. L. Lopes, Physical Review B 83, 104421 (2011). DOI: 10.1103/PhysRevB.83.104421
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Magnetic materials, ferroelectrics, and multiferroics, other functional materials, Heusler compounds, graphene, oxides, oxide surfaces. Density functional theory calculations. Local probe experimental methods such as perturbed angular correlation spectroscopy and complementary calculations. Electric field gradients, hyperfine fields, and their relation to other properties. Magnetovolume effects.
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Hyperfine interactions in MnAs studied by perturbed angular correlations of gamma-rays using the probe Br-77 -> Se-77 and first-principles calculations for MnAs and other Mn pnictidesGoncalves, JN; Amaral, VS; Correia, JG; Lopes, AML
2011, PHYSICAL REVIEW B, 83, 10,
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Oxygen ordering in the high-T-c superconductor HgBa2CaCu2O6+delta as revealed by perturbed angular correlationMendonca, TM; Correia, JG; Haas, H; Odier, P; Tavares, PB; da Silva, MR; Lopes, AML; Pereira, AM; Goncalves, JN; Amaral, JS; Darie, C; Araujo, JP
2011, PHYSICAL REVIEW B, 84, 9,
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Unveiling the (De)coupling of magnetostructural transition nature in magnetocaloric R5Si2Ge2 (R = Tb, Gd) materialsPereira, AM; Kampert, E; Moreira, JM; Zeitler, U; Belo, JH; Magen, C; Algarabel, PA; Morellon, L; Ibarra, MR; Goncalves, JN; Amaral, JS; Amaral, VS; Sousa, JB; Araujo, JP
2011, APPLIED PHYSICS LETTERS, 99, 13,
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First principles calculations of hyperfine parameters on the Ca manganite with substitutional Cd-modeling of a PAC experimentGoncalves, JN; Haas, H; Lopes, AML; Amaral, VS; Correia, JG
2010, JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 322, 9-12, 1170-1173.
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Perturbed angular correlations investigations on YMnO3 multiferroic manganiteT. M. Mendonça, A. M. L. Lopes, J. N. Gonçalves, J. G. Correia, P. B. Tavares, V. S. Amara, C. Darie, J. P. Araújo
2010, Hyperfine Interactions , 197, 1-3, 83-88.
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