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Control and imaging of interfacial patterned skyrmionic textures in perpendicular magnetic anisotropy multilayer systems

Grant number: 20/07397-7
Support Opportunities:Regular Research Grants
Duration: November 01, 2020 - November 30, 2022
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal Investigator:Fanny Béron
Grantee:Fanny Béron
Host Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated researchers:Juliano Casagrande Denardin ; Kleber Roberto Pirota ; Lucas Soares de Oliveira Paixão ; Marcelo Knobel ; Prabhakaran Thandapani ; Vivian Maria Campos Soares de Andrade

Abstract

In recent years, the discover of new and exciting magnetic properties has renewed the interest of the scientific community in the study of the spin-electric dependent transport at regular arrangements of micro and nano-structures, due to a great potential for applications in non-volatile magnetic memory devices, magnetic sensors with high resolution and a new generation of ultra-high-density recording media. Magnetic skyrmions are nontrivial spin textures that resist external perturbations, and thus are promising candidates for the spintronic device next generation. The main goal of this research proposal is to study skyrmionic textures obtained by the manipulation of geometric and magnetic parameters of magnetic multilayers presenting perpendicular magnetic anisotropy (PMA). By combining experiments (with an emphasis on magnetic field specific variation protocols and magnetization imaging) performed on systematic sets of multilayer samples with micromagnetic simulations, we will focus on understanding the effect of geometry, size, material, interactions, defects and impurities on the stability and dynamics of the skyrmionic textures. This project, led by Profa. Dra. Fanny Béron, of Universidade Estadual de Campinas, gathers a strong international team of researchers already involved in skyrmion investigation, but with complimentary expertise, and having access to an expressive specialized infrastructure that is unique in South America. It has a great potential to establish a fruitful synergy that should lead to important contributions on the hot topic of skyrmionic textures. (AU)

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Scientific publications (7)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
NAVARRO, ELENA; UJUE GONZALEZ, MARIA; BERON, FANNY; TEJO, FELIPE; ESCRIG, JUAN; MIGUEL GARCIA-MARTIN, JOSE. Large-Area Nanopillar Arrays by Glancing Angle Deposition with Tailored Magnetic Properties. NANOMATERIALS, v. 12, n. 7, p. 20-pg., . (20/07397-7, 17/10581-1)
CAMPANELLI, RAUL B.; DOS SANTOS, MARCOS V. P.; DA CRUZ, ALEXSANDRO S. E.; PIROTA, KLEBER R.; BERON, FANNY. Highly Doped Si Single Crystal Nanowires via Metallic Flux Nanonucleation. IEEE TRANSACTIONS ON NANOTECHNOLOGY, v. 20, p. 739-743, . (20/07397-7)
DUGATO, DANIAN A.; BRANDAO, JEOVANI; BERON, FANNY; DA SILVA, RICARDO B.; FLEWETT, SAMUEL; SHAPIRO, DAVID A.; CEZAR, JULIO C.; DORNELES, LUCIO S.; MORI, THIAGO J. A.. Proximity induced moment at Pt/Co interfaces and isolated skyrmion bubble stabilization at zero magnetic field. Journal of Magnetism and Magnetic Materials, v. 566, p. 8-pg., . (20/07397-7, 17/10581-1)
ABAD, BEGONA; ALBERI, KIRSTIN; AYERS, KATHERINE E.; BADHULIKA, SUSHMEE; BAN, CHUNMEI; BEA, HELENE; BERON, FANNY; CAIRNEY, JULIE; CHANG, JANE P.; CHARLES, CHRISTINE; et al. The 2022 applied physics by pioneering women: a roadmap. JOURNAL OF PHYSICS D-APPLIED PHYSICS, v. 56, n. 7, p. 53-pg., . (20/07397-7, 17/10581-1)
ARZUZA, LUIS C. C.; VEGA, VICTOR; PRIDA, VICTOR M.; MOURA, KAROLINE O.; PIROTA, KLEBER R.; BERON, FANNY. Single Diameter Modulation Effects on Ni Nanowire Array Magnetization Reversal. NANOMATERIALS, v. 11, n. 12, . (17/10581-1, 20/07397-7)
BRANDAO, J.; DUGATO, D. A.; DOS SANTOS, M. V. PUYDINGER; BERON, FANNY; CEZAR, J. C.. Tuning isolated zero-field skyrmions and spin spirals at room-temperature in synthetic ferrimagnetic multilayers. Applied Surface Science, v. 585, p. 7-pg., . (20/07397-7, 17/10581-1, 12/51198-2)
CARDONA-RODRIGUEZ, A.; RODRIGUEZ, EDWIN RAMOS; CARRANZA-CELIS, D.; VERGARA-DURAN, N.; DA CRUZ, A. S. E.; LONDONO, O. MOSCOSO; KNOBEL, M.; REIBER, A.; MURACA, DIEGO; RAMIREZ, JUAN GABRIEL. Resolving magnetic contributions in BiFeO3 nanoparticles using First order reversal curves. Journal of Magnetism and Magnetic Materials, v. 556, p. 7-pg., . (20/07397-7, 17/10581-1)

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