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Structural, superconducting and mechanical properties of molybdenum substituted Bi1.8Sr2Ca1.1Cu2.1Oy

AutorÖzkurt, B.; Madre, M. A.; Sotelo, A.; Diez, J. C.
Fecha de publicación2013
EditorSpringer
CitaciónJournal of Materials Science: Materials in Electronics 24(4): 1158-1167 (2013)
ResumenThe effect of MoO3 addition on the properties of Bi-2212 superconducting ceramic samples prepared by solid state reaction method has been investigated. Mo content was varied from 0 to 0.25 on a general stoichiometric formula Bi1.8Sr2MoxCa1.1Cu 2.1Oy. Electrical resistivity showed that transition temperature width increased directly with the Mo amount. XRD data have shown that MoO3 addition in the Bi1.8Sr2Mo xCa1.1Cu2.1Oy precursor reduces the amount of Bi-2212 phase. In addition, Jc values of the samples, calculated from the hysteresis loops using the Bean's model, decreased with increasing Mo substitution. Vickers microhardness measurements show that samples are very sensitive to Mo content and applied load. In addition, various models like Meyer's Law and Young's Modulus equations have been used to better explain the mechanical properties of samples. © 2012 Springer Science+Business Media, LLC.
Versión del editorhttp://dx.doi.org/10.1007/s10854-012-0899-y
URIhttp://hdl.handle.net/10261/117877
DOI10.1007/s10854-012-0899-y
Identificadoresdoi: 10.1007/s10854-012-0899-y
issn: 0957-4522
e-issn: 1573-482X
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