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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, multiferroics, graphene, transition metal oxides, other functional materials. First-principles, density functional theory calculations. Hyperfine interactions: electric field gradients, hyperfine fields, and their relation to other properties. Perturbed angular correlation spectroscopy and complementary calculations.
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Experimental and Theoretical Study of Electronic and Hyperfine Properties of Hydrogenated Anatase (TiO2): Defect Interplay and Thermal StabilityZyabkin, DV; Gunnlaugsson, HP; Goncalves, JN; Bharuth-Ram, K; Qi, B; Unzueta, I; Naidoo, D; Mantovan, R; Masenda, H; Olafsson, S; Peters, G; Schell, J; Vetter, U; Dimitrova, A; Krischok, S; Schaaf, P
2020, JOURNAL OF PHYSICAL CHEMISTRY C, 124, 13, 7511-7522.
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Exploiting Radioactive Isotopes: from Pollutant Tracking to Solid State Studies Using a Combined Ab Initio and PAC ApproachAmorim, CO; Goncalves, JN; Amaral, VS
2020, EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, 2020, 19, 1822-1833.
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In-Silico Thermodynamic Description of Heusler Compounds Applied to Magnetocalorics by Monte Carlo Simulations Starting from Ab-InitioAmorim, CO; Goncalves, JN; Amaral, VS; Amaral, JS
2020, EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, 2020, 14, 1271-1277.
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Changing the magnetic states of an Fe/BaTiO(3)interface through crystal field effects controlled by strainAmorim, CO; Goncalves, JN; Amaral, JS; Amaral, VS
2020, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 22, 32, 18050-18059.
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Two-dimensional metal dicyanamide frameworks of BeTriMe[M(dca)(3)(H2O)] (BeTriMe = benzyltrimethylammonium; dca = dicyanamide; M = Mn2+, Co2+, Ni2+): coexistence of polar and magnetic orders and nonlinear optical threshold temperature sensingMaczka, M; Gagor, A; Stroppa, A; Goncalves, JN; Zareba, JK; Stefanska, D; Pikul, A; Drozd, M; Sieradzki, A
2020, JOURNAL OF MATERIALS CHEMISTRY C, 8, 34, 11735-11747.
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Experimental and theoretical evidences that atomic disorder suppresses half-metallicity of Heusler compoundsCaraballo-Vivas, RJ; Tedesco, JCG; Checca, NR; Fortunato, NM; Goncalves, JN; Sanchez, DR; Carvalho, AMG; Amaral, JS; Reis, MS
2019, INTERMETALLICS, 111,
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Electric Field Induced Room Temperature Null to High Spin State Switching: A Computational PredictionAmorim, CO; Amaral, JS; Goncalves, JN; Amaral, VS
2019, ADVANCED THEORY AND SIMULATIONS, 2, 4,
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Hyperfine interactions and diffusion of Cd in TiO2 (rutile)Zyabkin, DV; Schell, J; Gaertner, D; Dang, TT; Goncalves, JN; Marschick, G; Schaaf, P
2019, JOURNAL OF APPLIED PHYSICS, 126, 1,
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Thermal annealing effects in polycrystalline EuTiO3 and Eu2Ti2O7Schell, J; Kamba, S; Kachlik, M; Maca, K; Drahokoupil, J; Rano, BR; Goncalves, JN; Dang, TT; Costa, A; Noll, C; Vianden, R; Lupascu, DC
2019, AIP ADVANCES, 9, 12,
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Ultra sensitive quantification of Hg2+ sorption by functionalized nanoparticles using radioactive tracker spectroscopyAmorim, CO; Goncalves, JN; Tavares, DS; Fenta, AS; Lopes, CB; Pereira, E; Trindade, T; Correia, JG; Amaral, VS
2018, MICROCHEMICAL JOURNAL, 138, 418-423.
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Experimental realisation of off-stoichiometric Fe-Mn-Si full Heusler alloy with hexagonal crystal structure by pulsed laser depositionChecca, NR; Caraballo-Vivas, RJ; Coelho, AA; Rossi, A; Fortunato, NM; Mohseni, F; Goncalves, JN; Amaral, JS; Rocco, DL; Reis, MS
2018, MATERIALS & DESIGN, 143, 268-273.
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Volume dependence of magnetic properties in Co2Cr1-xYxGa (Y= Ti-Ni) Heusler alloys: A first-principles studyGoncalves, JN; Fortunato, NM; Amaral, JS; Amaral, VS
2017, JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 428, 362-367.
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Novel multiferroic state and ME enhancement by breaking the AFM frustration in LuMn1-xO3Figueiras, FG; Karpinsky, D; Tavares, PB; Goncalves, JN; Yanez-Vilar, S; Dos Santos, AFM; Franz, A; Tovar, M; Moreira, JA; Amaral, VS
2017, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 19, 2, 1335-1341.
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Cd and In-doping in thin film SnO2Schell, J; Lupascu, DC; Carbonari, AW; Mansano, RD; Freitas, RS; Goncalves, JN; Dang, TT; Vianden, R
2017, JOURNAL OF APPLIED PHYSICS, 121, 19,
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On the nature of the (de)coupling of the magnetostructural transition in Er5Si4Costa, RM; Belo, JH; Barbosa, MB; Algarabel, PA; Magen, C; Morellon, L; Ibarra, MR; Goncalves, JN; Fortunato, NM; Amaral, JS; Araujo, JP; Pereira, AM
2017, PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, 254, 10,
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