Paramagnetic Meissner Effect and Current Flow in YBCO Nanofiber Mats

Autor: A. L. Pessoa, Rafael Zadorosny, Michael Rudolf Koblischka, Anjela Koblischka-Veneva, C. L. Carvalho
Přispěvatelé: Universidade Estadual Paulista Júlio de Mesquita Filho = São Paulo State University (UNESP), Institute of Experimental Physics, Saarland University [Saarbrücken], This work was supported in part by the SUPERFOAM International Project funded by ANR and DFG under Grants ANR-17-CE05-0030 and DFG-ANR Ko2323-10, in part by the Brazilian Agencies São Paulo Research Foundation FAPESP under Grant 2016/12 390-6, in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - Brasil (CAPES) - Finance Code 001, and in part by the National Council of Scientific and Technological Development CNPq, under Grant 302 564/2018-7. (Corresponding author: Michael Koblischka.), ANR-17-CE05-0030,SUPERFOAM,Caractérisation et comparaison de nouveaux supraconducteurs massifs(2017), Universidade Estadual Paulista (Unesp), Saarland University
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: IEEE Transactions on Applied Superconductivity
IEEE Transactions on Applied Superconductivity, Institute of Electrical and Electronics Engineers, 2021, 31 (5), pp.1-5. ⟨10.1109/TASC.2021.3058596⟩
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
ISSN: 1051-8223
DOI: 10.1109/TASC.2021.3058596⟩
Popis: Made available in DSpace on 2021-06-25T11:12:22Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-08-01 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Microstructural and magnetic characterizations of YBa2Cu3O7-δ nanowire fabric-like samples were performed. Fabric-like ceramic superconductors are nanoporous materials and can be applied, e.g., in magnetic shielding, since the porous morphology makes them extremely light-weight and effectively to be cooled. The samples were produced by the solution blow spinning (SBS) technique, starting from a sol-gel solution of the precursor materials in polyvinyl-alcohol. The morphology of the samples was characterized by scanning electron microscopy, transmission electron microscopy, and X-ray diffraction with the aim to analyze the possible current paths. The magnetic hysteresis loops revealed typical polycrystalline behavior, and field-cooling in various small applied fields shows the presence of the paramagnetic Meissner effect (PME), but in a distinctly different way as compared to melt-texured Bi2Sr2CaCu2O8+δ or Nb. Sao Paulo State University (UNESP) Campus at Ilha Solteira Experimental Physics Saarland University Sao Paulo State University (UNESP) Campus at Ilha Solteira
Databáze: OpenAIRE