Welcome!

On this page you will find more info about the activities of teaching and research developed by Prof. Maycon Motta in the Superconductivity and Magnetism Group (Grupo de Supercondutividade e Magnetismo) in the Department of Physics (Departamento de Física) at UFSCar.

Image taken on April 4th, 2018, by Lincoln B. L. G. Pinheiro after an aluminum evaporation, which was also deposited in an optical window. This film was grown by the conventional thermal evaporation technique developed by Pinheiro under my supervision.

EMU/Fapesp

Multiuser Project funded by Fapesp

Click here to know more details

CA-50 Montana Cryostat

Techniques available: magnetotransport, simple RF characterizations, and Magneto-optical Imaging

The best thesis of Condensed Matter Physics 2024:

The Brazilian Society of Physics has selected Davi Chaves’ thesis as the best doctoral thesis in Condensed Matter Physics this year (for defenses in 2023). His thesis, "Magnetic fields as a tool to control superconducting device," is available at this link (in English). Link to the news (in Portuguese).

Research interests

News

2025

May 29: Fapesp multi-user equipment project has been awarded funding to acquire a Montana CA-50 cryostat. For more details, please click here.
Apr 10: Prof. Colauto's paper on "Maximum limit of connectivity in rectangular superconducting films with an oblique weak link" has been published in Phys. Rev. Applied. Congratulations!
Mar 25: Milton B. Ferreira Júnior published a paper (YBCO nanofibers produced by solution blow spinning doped with Ni and Zn at low concentrations) in the periodic Superconductor Science and Technology;
Mar 01: Welcome Vinícius B Tafuri to join the lab as a Master's student;
Mar 01: Marcos V. Mistura joins GSM as a FAPESP Master's Fellowship;
Mar 01: Welcome Alexandre J. Fuzita to join the lab as a PhD student;
Feb 28: Congratulations to Marcos V. Mistura and Luiz Gustavo Alves Ferreira, both Bachelor in Physics, for successfully defending their Senior Undergraduate Thesis.

2024

Dec 08: A PhD position supported by FAPESP is available. See details here (in Portuguese);
Dec 08: A Master's position supported by FAPESP is available. See details here (in Portuguese);
Dec 03-05: Local XANES and local X-ray diffraction measurements were conducted on the Carnauba beamline at the fourth-generation Sirius accelerator located in Campinas, SP, Brazil;
Nov 22: GSM hosts the researcher Dr. Stefan Marinkovic for a month-long scientific visit to discuss findings on electromigration and perform measurements in ceramics and metals at GSM and LNLS/CNPEM;
Oct 23: Prof. Motta give a talk entitled "Nanostructured superconducting devices and effects of electromigration" during the XXIII Physics Week at UNESP/Bauru, his alma mater;
Sep 01: Welcome Marcos V. Mistura, Leonardo Pezzoto, and Luiz G. A. Ferreira to join the lab!
Aug 01: Elijah A. Abbey joins GSM as a FAPESP Post-Doc Fellowship. Welcome again!
May 06: Davi Chaves’ thesis titled "Magnetic Fields as a Tool to Control Superconducting Devices" has been awarded the best doctoral thesis in Condensed Matter Physics for 2024 by the Brazilian Society of Physics. You can download the thesis in English through this link. The news article is available in Portuguese at this link. Congratulations to Davi Chaves on this outstanding achievement;
Apr 30: Prof. Maycon Motta attended the 9th ICSM conference in Turkey. The title of his talk was "Modulating Superconducting Properties by FIB and Current-Induced Modifications in Nb Thin Films";
Apr 22 to 26: During this period, Prof. M. Motta visited Prof. Alejandro Silhanek’s group at Université de Liège in Belgium. This visit marks another milestone in our longstanding research collaboration for over a decade. During the visit, we discussed topics of mutual interest related to our joint research on electromigration of nanowires and magneto-optical imaging of superconductors;
Apr 15: Davi Chaves completed his post-doctoral research at GSM and began his post-doc at KU Leuven under the supervision of Joris van de Vondel in the Quantum Solid-State Physics Group. Best wishes!
Mar 18: Davi A. D. Chaves' paper on "Using quantitative magneto-optical imaging to reveal why the ac susceptibility of superconducting films is history independent" has been published in Phys. Rev. B. Congratulations!

2023

Dec 01: Chaves' paper on transforming a weak link into a strong link has been published in Phys. Rev. B. Congratulations!
Nov 16: A Master's Scholarship is available. See details here (in Portuguese);
Nov 13: Davi A. D. Chaves joins GSM as a post-doc;
Nov 01: Prof. Motta presented a seminar entitled "Scientific method in action: room temperature superconductivity" in the XVII Physics Week at UFSCar. Slides available at this link (in Portuguese).
Oct 16: Davi A. D. Chaves defended his thesis and has been approved with the highest distinction. Congratulations!
Oct 1-5: Participation of Wilson A. Ortiz, Davi A. D. Chaves, and Maycon Motta in the XXI Brazilian Materials Research Society Meeting in Maceió-AL, Brazil (Link);
Oct 1: Caio C. Q. Gomes joins the lab as a PhD student, funded by FAPESP direct PhD fellowship. Welcome!
Sep 05: Congratulations to Caio C. Q. Gomes (Bachelor in Physics) and Maria Eduarda M. Tempesta (Bachelor in Physics EngIneering) for successfully defending their Senior Undergraduate Thesis;
Sep 01: Welcome Gabriel L. M. Almeida, Ivan Y. Tamura, Yurieh L. S. Rafael, and Henrique B. Abreu to join the lab!
May 21-25: Participation of Wilson A. Ortiz, Caio C. Q. Gomes, Davi A. D. Chaves, and Maycon Motta in the Autumn Meeting of the Brazilian Physics Society (Link);
Apr 05: Congratulations to Maycon V. R. Rocha (Bachelor in Physics) for successfully defending his Senior Undergraduate Thesis;
Mar 13: Congratulations to Elijah A. Abbey on successfully defending his thesis;
Feb 01: Proposal "Electromigration in Nanostructures" selected in the Initial Project Program financed by FAPESP (The São Paulo Research Foundation).