Effects of thallium fluoride and yttrium on structure, electrical properties and ac losses susceptibility of (Bi,Pb)-2234 superconductors

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dc.authorid0000-0002-3133-5693en_US
dc.contributor.authorSaoudel, A.
dc.contributor.authorSaoudel, Assia
dc.contributor.authorBoudjadja, Y.
dc.contributor.authorBouchekhou, H.
dc.contributor.authorAllag, H.
dc.contributor.authorAltıntaş, Sevgi Polat
dc.date.accessioned2023-06-09T06:21:31Z
dc.date.available2023-06-09T06:21:31Z
dc.date.issued2021en_US
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.description.abstractWe have studied the effects of thallium fluoride TlF3 and yttrium Y3+ on phase formation and superconducting transport properties of Bi1.8_xTlxPb0.35Sr2Ca3_ zYzCu4O12+delta F3x superconductors. The samples are characterized by X-ray diffraction, SEM photographs, resistivity and AC susceptibility chi '(chi '') measurements. The study showed that the melting point of the sample doped with thallium fluorine and yttrium as well as the formation temperature is decreased. We have found that the agreement factors of structure (Rp,Rwp,GOF) and the superconducting parameters as the transition width, the activation energy, the residual and normal resistivity were enhanced with TlF3 and Y3+ doping. This behavior attests of the improvement of flux pinning strength into the grains and their coupling matrix. The inter-granular AC loss peak temperature was observed to increase as doping which is mainly due to a strong links between the grains. However, it is widely decreased with magnetic field. The maximum of susceptibility (chi''max) and partial susceptibility of matrix (chi ''m,max), and the effective volume fraction of the grains (fg) are determined on the basis of the critical state model which proved a great improvement with doping under applied field of 2 and 10 Oe. The estimated values of matrix susceptibility through this model revealed the well decrease of the inter-granular losses with doping as well.en_US
dc.identifier.citationSaoudel, A., Saoudel, A., Boudjadja, Y., Bouchekhou, H., Allag, H., & Altintas, S. P. (2021). Effects of thallium fluoride and yttrium on structure, electrical properties and ac losses susceptibility of (Bi, Pb)-2234 superconductors. Cryogenics, 117, 103326.en_US
dc.identifier.doi10.1016/j.cryogenics.2021.103326
dc.identifier.endpage9en_US
dc.identifier.issn0011-2275
dc.identifier.issn1879-2235
dc.identifier.scopus2-s2.0-85109423825en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage1en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.cryogenics.2021.103326
dc.identifier.urihttps://hdl.handle.net/20.500.12491/11090
dc.identifier.volume117en_US
dc.identifier.wosWOS:000679109800001en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorAltıntaş, Sevgi Polat
dc.language.isoenen_US
dc.publisherElseiver Science Ltden_US
dc.relation.ispartofCryogenicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectStructureen_US
dc.subjectAC Susceptibilityen_US
dc.subjectCritical State Modelen_US
dc.subjectTlf3 And Y3+ Dopingen_US
dc.titleEffects of thallium fluoride and yttrium on structure, electrical properties and ac losses susceptibility of (Bi,Pb)-2234 superconductorsen_US
dc.typeArticleen_US

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