João Nuno Santos Gonçalves

Junior Researcher

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Department

  • Physics
  • 32.2.2

Research

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Short CV

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 

Selected Publications

"Chirality and Magnetocaloricity in GdFeTeO6 as Compared to GdGaTeO6", Elena Zvereva; Tatyana Vasilchikova; Maria Evstigneeva; Angelica Tyureva; Vladimir Nalbandyan; João Gonçalves; Paolo Barone; Alessandro Stroppa; Alexander Vasiliev, Materials, 14(20), 5954 (2021). DOI: 10.3390/ma14205954

"First-Principles Study of Structure and Magnetism in Copper(II)-Containing Hybrid Perovskites", João N. Gonçalves; Anthony E. Phillips; Wei Li; Alessandro Stroppa, Crystals 10(12), 1129 (2020). DOI:10.3390/cryst10121129

"Hg adatoms on graphene: A first-principles study", A. S. Fenta, C. O. Amorim, J. N. Gonçalves. N. Fortunato, M. B. Barbosa, J. P. Araújo, M. Houssa, S. Cottenier, M. J. Van Bael, J. G. Correia, V. S. Amaral, L. M. C. Pereira, Journal of Physics: Materials 4, 015002 (2020). DOI: 10.1088/2515-7639/abc31c

"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

Scientific Interests

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.

Publications

Cd and In-doping in thin film SnO2

Schell, J; Lupascu, DC; Carbonari, AW; Mansano, RD; Freitas, RS; Goncalves, JN; Dang, TT; Vianden, R
2017, JOURNAL OF APPLIED PHYSICS, 121, 19.
ISBN: 1089-7550

On the nature of the (de)coupling of the magnetostructural transition in Er5Si4

Costa, 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.

Assessing Segregation Effects on Multiferroic Properties of Antiferromagnetic - Weak Ferromagnetic Coupled Sy stems by Analytical HRTEM

M. Vieira, A. Baghizadeh, J. S. Amaral, J. N. Gonalves, B. A. Almeida, M-G. Willinger, V. S. Amaral
2016, Microscopy and Microanalysis, 22, S4, 58-59.

Nanodomains Coupled to Ferroelectric Domains Induced by Lattice Distortion in Self-Doped LuMnxO3 +/-delta Hexagonal Ceramics

Baghizadeh, A; Vieira, JM; Goncalves, JN; Willinger, MG; Ferro, MC; Amaral, VS
2016, JOURNAL OF PHYSICAL CHEMISTRY C, 120, 38, 21897-21904.

Giant magnetocaloric effect of compressible Ising and Heisenberg lattices

J. S. Amaral, N. M. Fortunato, C. O. Amorim, J. N. Gonçalves, V. S. Amaral
2016, Refrigeration Science and Technology Proceedings, 252.

Hyperfine local probe study of alkaline-earth manganites SrMnO3 and BaMnO3

Goncalves, JN; Amaral, VS; Correia, JG; Lopes, AML; Araujo, JP; Tavares, PB
2014, JOURNAL OF PHYSICS-CONDENSED MATTER, 26, 21.

Thermodynamics of the 2-D Ising Model From a Random Path Sampling Method

Amaral, JS; Goncalves, JN; Amaral, VS
2014, IEEE TRANSACTIONS ON MAGNETICS, 50, 11.

Local probing of multiferroics: First-principles study of hyperfine parameters in YMnO3 and YMn2O5

Goncalves, JN; Amaral, VS; Correia, JG; Stroppa, A; Fenta, AS; Baghizadeh, A; Picozzi, S
2014, JEMS 2013 - JOINT EUROPEAN MAGNETIC SYMPOSIA, 75.

Magnetovolume Effects in Heusler Compounds via First-Principles Calculations

Goncalves, JN; Amaral, JS; Amaral, VS
2014, IEEE TRANSACTIONS ON MAGNETICS, 50, 11.

Doping of Ga2O3 bulk crystals and NWs by ion implantation

Lorenz, K; Peres, M; Felizardo, M; Correia, JG; Alves, LC; Alves, E; Lopez, I; Nogales, E; Mendez, B; Piqueras, J; Barbosa, MB; Araujo, JP; Goncalves, JN; Rodrigues, J; Rino, L; Monteiro, T; Villora, EG; Shimamura, K
2014, OXIDE-BASED MATERIALS AND DEVICES V, 8987.
ISBN: 978-0-8194-9900-4

Measurement and modeling of hyperfine properties in ferroic materials

J. N. Gonçalves
2011, supervised by V. S. Amaral, J. G. Correia.

Calculations of electronic structure and hyperfine parameters in oxides

J. N. Gonçalves
2007, supervised by V. S. Amaral, J. G. Correia.

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