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Cristina Bormio Nunes

Cristina Bormio Nunes

:email: cristina.bormio@usp.br
:telephone_receiver: +55 12 3159 9918

Research interests: Magnetostriction of Fe-based alloys with addition of non-magnetic elements., Magnetostriction in Co-based alloys., Magnetic Properties of High Entropy Ferromagnetic Alloys., Nb-based superconducting wires..

Info:

Cristina Bormio Nunes is currently an Associated Professor at the School of Engineering of Lorena of the University of São Paulo (EEL–USP). She got her undergraduate studies on Physics at Universidade de Campinas - UNICAMP (State University of Campinas) (August / 1983), the Masters in Physics at UNICAMP (December / 1985) and the PhD in Physics also at UNICAMP (January 1993). She has Post-Doc or Senior Internships abroad in: Wisconsin - USA at the University of Wisconsin (1994-1996), Vienna at Technical University of Vienna (2003-2004) and Paris at the Ecole Normale Superieure de Cachan (2014).Prof. Cristina has experience in the areas of Physics and Materials Engineering and Metallurgy, with emphasis on Superconductivity, Magnetism and Physical Metallurgy. In the area of superconductivity, the main topic of work is the production and characterization of Nb based superconducting wires, especially Nb-Ti. In the area of magnetism the main activities are on the production of Fe, Co and Ni alloys for magnetic properties studies, focused on the magnetostriction correlated to the microstructure of the material and its application. More recently (2018) she began studies on high-entropy magnetic alloys.

Recent Publications

2024

  1. Silva, I.B., Froes, F., Ferreira, H.N.A., Hubert, O., & Bormio-Nunes, C. (2024) Piezomagnetism in Cr Dopped Fe65Co35 Alloy. 2024 IEEE International Magnetic Conference - Short papers (INTERMAG Short papers). IEEE, pp. 1–2.

    DOI: 10.1109/intermagshortpapers61879.2024.10576837

  2. Froes, F. & Bormio-Nunes, C. (2024) High-temperature magnetization and bulk magnetostriction investigation of Ti and Nb addition to Fe70Co30 alloy. Journal of Materials Science, 59, 1652–1664.

    DOI: 10.1007/s10853-023-09252-2

  3. Cardoso, F.M., Froes, F., & Bormio-Nunes, C. (2024) A novel high entropy FeCoNi(GaCu)1.0 alloy with attractive soft magnetic properties. Physica B: Condensed Matter, 695, 416495.

    DOI: 10.1016/j.physb.2024.416495

2023

  1. Bormio-Nunes, C. & Froes, F. (2023) Magnetostriction reduction and magnetic permeability enhancement of Ti added Fe0.7Co0.3 alloy. Journal of Applied Physics, 133.

    DOI: 10.1063/5.0140457

2022

  1. Bormio-Nunes, C., Cardoso, F.M., da Silva Teixeira, R., & Bastos, J.F. (2022) Understanding of the duplex high entropy of FeCoNiCuAl alloys magnetic properties dependence on the CuAl amount and annealing temperature. Journal of Alloys and Compounds, 923, 166301.

    DOI: 10.1016/j.jallcom.2022.166301

2021

  1. de Brito, V.L., de Morais Santos, J.M., Machado, J.P., Bormio-Nunes, C., & Carvalho, F. (2021) Electromagnetic characterization of Ni0.5Zn0.3Co0.2Fe2O4 bulk ceramics in the 1MHz-12GHz frequency range. Processing and Application of Ceramics, 15, 136–145.

    DOI: 10.2298/pac2102136b

  2. Fulop, G.O., Dias, M.B.S., Sandim, H.R.Z., & Bormio-Nunes, C. (2021) High saturation magnetic induction and low magnetostriction of a novel ferritic Fe-Ti alloy compared to a non-oriented silicon steel. Journal of Magnetism and Magnetic Materials, 527, 167702.

    DOI: 10.1016/j.jmmm.2020.167702

  3. Fulop, G.O. & Bormio-Nunes, C. (2021) Production of Fe-6.9 wt%Ti alloy sheets for application in electric machines: Physical properties characterization. Journal of Magnetism and Magnetic Materials, 539, 168394.

    DOI: 10.1016/j.jmmm.2021.168394

  4. Cardoso, F.M. & Bormio-Nunes, C. (2021) Original Fe–Co–Ni–Ga–Nb Multicomponent Alloy with Soft Magnetic Properties. Advanced Engineering Materials, 23, 2001359.

    DOI: 10.1002/adem.202001359

2020

  1. Bormio-Nunes, C., Cardoso, F.M., Balagurov, A.M., Bobrikov, I.A., Buchelnikov, V.D., Matyunina, M.V., Zagrebin, M.A., Cheverikin, V.V., Mansouri, Y., & Golovin, I.S. (2020) Boron interaction with D03 phase in Fe-(27–29)Ga alloys. Intermetallics, 126, 106938.

    DOI: 10.1016/j.intermet.2020.106938

  2. Bastos, E.S., Bormio-Nunes, C., Clarke, T.G.R., & Missell, F.P. (2020) Model for Wireless Magnetoelastic Strain Sensors. Sensors, 20, 3557.

    DOI: 10.3390/s20123557

Faculty