Aleix Barrera has defended his PhD Thesis on 2nd July, Congratulations Dr. Barrera!

The PhD researcher Aleix Barrera Català defended his PhD thesis on Wednesday, 2 July 2025 at ICMAB. 

Magnetic Metasurfaces and Superconducting Materials for Advanced Sensors and Spintronics

PhD Candidate: Aleix Barrera Català

Date: Wednesday, 2 July 2025
Time: 12.00 PM
Venue: Institut de Ciència de Materials de Barcelona (ICMAB, CSIC) – Sala d’Actes Carles Miravitlles

Abstract

This study investigates magnetic metasurfaces composed of thin ferromagnetic films designed for magnetic flux concentration. To quantify magnetic enhancement and performance, various types of magnetic sensors based on anisotropic magnetoresistance were evaluated to optimize their operation within the magnetic flux concentrators. The results demonstrate significant magnetic enhancement potential, strongly influenced by metasurface design parameters such as thickness, size, and shape. Additionally, the study provides evidence of spin-orbit coupling in high-temperature superconductors, specifically YBCO, as revealed through magneto-transport measurements.

Supervisors

  • Anna Palau, ICMAB-CSIC, Spain

PhD Committee

  • President: José María De Teresa , NANOMIDAS Universidad de Saragossa , Spain
  • Secretary: Alberto Pomar, ICMAB, Spain
  • Vocal: Rosa Córdoba, ICMOL, Spain

University: Universitat Autònoma de Barcelona (UAB)

PhD Programme: Materials Science

Institut de Ciència de Materials de Barcelona ICMAB CSIC

Address

Campus de la UAB, 08193 Bellaterra, Barcelona, Spain
+34 935 801 853 ext 371 
hr_suman@icmab.es