Study of the thermo-magnetic fluctuations in carbon nano-tubes added Bi-2223 superconductors

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dc.authorid0000-0001-6042-054Xen_US
dc.authorid0000-0002-7280-6754en_US
dc.authorid0000-0003-4795-9182en_US
dc.contributor.authorSaoudel, Abdelmalek
dc.contributor.authorAmira, Abderrezak
dc.contributor.authorBoudjadja, Yazid
dc.contributor.authorMahamdioua, Nabil
dc.contributor.authorAmirouche, L.
dc.contributor.authorVarilci, Ahmet
dc.contributor.authorAltıntaş, Sevgi Polat
dc.contributor.authorTerzioğlu, Cabir
dc.date.accessioned2021-06-23T19:34:08Z
dc.date.available2021-06-23T19:34:08Z
dc.date.issued2013
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.description.abstractWe have investigated the effect of addition of carbon nano-tubes (CNT) on the properties of Bi1.6Pb0.4Sr2Ca2Cu3Oy superconductors. The samples are prepared from commercial powders with addition of 0.1 wt% of CNT. They are characterized by XRD, SEM and magneto-resistivity in the transition region. As it was reported for CNT added Y-123 compounds, the refined cell parameters are practically independent of this kind of addition. Under applied magnetic field, a large broadening of resistive transition is observed. The dissipative behavior of resistivity can be explained using the well known expression, rho=rho(0)(T/T-g-1)(S). The modified vortex-glass to liquid transition theory is used to calculate the values of the glass-transition temperature T-g and the temperature and magnetic field dependent activation energy U-0(B,T). These parameters are seen to decrease with CNT addition and applied magnetic field. Also, we have found that the undoped sample proves a better transition width, residual resistivity (rho(0)) and a higher onset critical transition temperature of about 117.75 K. Also, the appearance of a double resistive transition for both samples is a confirmation of the existence of a secondary phase which plays the role of the weak links at the grain boundaries. (C) 2013 Elsevier B.V. All rights reserved.en_US
dc.identifier.doi10.1016/j.physb.2013.07.024
dc.identifier.endpage37en_US
dc.identifier.issn0921-4526
dc.identifier.issn1873-2135
dc.identifier.scopus2-s2.0-84884510160en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage33en_US
dc.identifier.urihttps://doi.org/10.1016/j.physb.2013.07.024
dc.identifier.urihttps://hdl.handle.net/20.500.12491/7395
dc.identifier.volume429en_US
dc.identifier.wosWOS:000324249300007en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorVarilci, Ahmet
dc.institutionauthorAltıntaş, Sevgi Polat
dc.institutionauthorTerzioğlu, Cabir
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofPhysica B-Condensed Matteren_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectBi-2223 phaseen_US
dc.subjectStructureen_US
dc.subjectAdditionen_US
dc.subjectFlux Pinningen_US
dc.titleStudy of the thermo-magnetic fluctuations in carbon nano-tubes added Bi-2223 superconductorsen_US
dc.typeArticleen_US

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