Addition of Ca-compounds nanoparticles in melt-textured Bi : 2212
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Data
2007-09-01
Autores
dos Santos, Dayse I.
Kim, J. H.
Qin, M.
Konstantinov, K.
Dou, S. X.
Título da Revista
ISSN da Revista
Título de Volume
Editor
Elsevier B.V.
Resumo
Superconducting BSCCO samples made by melt-texturing process were prepared with the addition of calcium zirconate and calcium silicate nanoparticles. Bi:2212 melt-textured composites prepared with I wt.% of either addition showed different behavior for the critical current density as a function of the applied field, indicating that for each additional compound the improvement can be associated to different enhancement mechanisms, such as the creation of pinning centers and the increase on the connectivity of the grains. The estimated pinning forces indicated higher values for the calcium compound containing samples. (c) 2007 Elsevier B.V. All rights reserved.
Descrição
Palavras-chave
BSCCO, melt-texturing, addition of oxide
Como citar
Physica C-superconductivity and Its Applications. Amsterdam: Elsevier B.V., v. 460, p. 1329-1330, 2007.