Antonio Jefferson da Silva Machado
ajefferson@usp.br
+55 12 3159 9911
Research interests: Superconducting Materials with topological effects, Superconducting Materials with multiband properties, Non-centrosymmetric superconducting Materials.
Info:
Professor at the University of São Paulo (USP) - Escola de Engenharia de Lorena. He got his background in Chemical Engineering from the Faculdade de Engenharia Química de Lorena - Faenquil 1988), a Master’s degree Materials Science and Engineering from the Faenquil (1992), a PhD at the same University in Materials Science and Engineering 2000. Visiting Professor at University of the California at Irvine (UCI) in the period between 2008 and 2010 with Prof. Dr. Zachary Fisk where he had opportunity of joined with Zach’s group for developed new intermetallic superconductors Materials. His expertise area is concentrated in developing new superconductor materials with new quantum properties. The main topic of interest is in develop new superconductors materials which can exhibit multband behavior, topological effects, non-centrosymmetric superconductors.
Recent Publications
2021
- Pessoni, H.V.S., Oliveira, F.S., Faria, L.S., Machado, A.J.S., & Franco, A. (2021) Effect of Gd3\mathplus ion on the structural and magnetic properties of (Nb and Al) co-doped rutile \lessmml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"\greater\lessmml:mrow\greater\lessmml:msub\greater\lessmml:mtext\greaterTiO\less/mml:mtext\greater\lessmml:mn\greater2\less/mml:mn\greater\less/mml:msub\greater\less/mml:mrow\greater\less/mml:math\greater single crystal. Ceramics International, 47, 6720–6727.
2020
- Bhattacharyya, A., Ferreira, P.P., Santos, F.B., Adroja, D.T., Lord, J.S., Correa, L.E., Machado, A.J.S., Manesco, A.L.R., & Eleno, L.T.F. (2020) Two-band superconductivity with unconventional pairing symmetry in \lessmml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"\greater\lessmml:mrow\greater\lessmml:msub\greater\lessmml:mi\greaterHfV\less/mml:mi\greater\lessmml:mn\greater2\less/mml:mn\greater\less/mml:msub\greater\lessmml:msub\greater\lessmml:mi\greaterGa\less/mml:mi\greater\lessmml:mn\greater4\less/mml:mn\greater\less/mml:msub\greater\less/mml:mrow\greater\less/mml:math\greater. Physical Review Research, 2.
2019
- de Lima, B.S., Chaia, N., Grant, T.W., de Faria, L.R., Canova, J.C., de Oliveira, F.S., Abud, F., & Machado, A.J.S. (2019) Large enhancement of the CDW resistivity anomaly and traces of superconductivity in imperfect samples of NbTe4. Materials Chemistry and Physics, 226, 95–99.
- de Lima, B.S., Chaia, N., Correa, L.E., Oliveira, F.S., de Faria, L.R., de Oliveira, I., Coelho, G.C., & Machado, A.J.S. (2019) Experimental Study of the Binary Nb-Te System. Journal of Phase Equilibria and Diffusion, 40, 697–705.
- Renosto, S.T., Lang, R., Diez, E., Corrêa, L.E., da Luz, M.S., Fisk, Z., & Machado, A.J.S. (2019) Evidence of unconventional superconductivity in the Ni-doped NbB2 system. Journal of Alloys and Compounds, 787, 414–422.
- Oliveira, F.S., dos Santos, C.A.M., Machado, A.J.S., Banerjee, P., & Franco, A. (2019) Structure and dielectric properties of \textdollar\textdollar}hbox \lbraceBa\rbrace_\lbrace2\rbrace}hbox \lbraceCu\rbrace_\lbracex\rbrace}hbox \lbraceY\rbrace_\lbrace1-x\rbrace }hbox \lbraceTaO\rbrace_\lbrace6-y\rbrace\textdollar\textdollar double perovskite. SN Applied Sciences, 1.
- Correa, L.E., Nova, J.C.C., de Faria, L.R., Santos, F.B., de Lima, B.S., Nunes, C.A., Coelho, G.C., Rogl, P., Fisk, Z., & Machado, A.J.S. (2019) Evidence of multiband behavior in a new superconductor Ta0.8Zr0.2B with FeB-prototype structure. Journal of Alloys and Compounds, 803, 597–600.
- Bhattacharyya, A., Adroja, D.T., Panda, K., Saha, S., Das, T., Machado, A.J.S., Cigarroa, O.V., Grant, T.W., Fisk, Z., Hillier, A.D., & Manfrinetti, P. (2019) Evidence of a Nodal Line in the Superconducting Gap Symmetry of Noncentrosymmetric \lessmml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"\greater\lessmml:mrow\greater\lessmml:msub\greater\lessmml:mrow\greater\lessmml:mi\greaterThCoC\less/mml:mi\greater\less/mml:mrow\greater\lessmml:mrow\greater\lessmml:mn\greater2\less/mml:mn\greater\less/mml:mrow\greater\less/mml:msub\greater\less/mml:mrow\greater\less/mml:math\greater. Physical Review Letters, 122.
