The effect of TlF3 substitution on the weak links behaviour and AC susceptibility of Bi1.8-xTlxPb0.35Sr2Ca2Cu3OyF3x superconductors

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dc.authorid0000-0003-4795-9182en_US
dc.authorid0000-0001-7066-1566
dc.authorid0000-0002-0624-6074
dc.authorid0000-0001-6042-054X
dc.authorid0000-0002-7280-6754
dc.contributor.authorSaoudel, Abdelmalek
dc.contributor.authorAmira, Abderrezzak
dc.contributor.authorBoudjadja, Yazid
dc.contributor.authorMahamdioua, Nabil
dc.contributor.authorVarilci, Ahmet
dc.date.accessioned2021-06-23T19:49:39Z
dc.date.available2021-06-23T19:49:39Z
dc.date.issued2018
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.description.abstractWe have studied the thallium fluoride (TlF3) doping and AC field dependence of the weak links behaviour and AC susceptibility of Bi1.8-xTlxPb0.35Sr2Ca2Cu3OyF3x superconductors with range of x = 0, 0.05, 0.10 and 0.15. The estimated value of the peak temperature (T-p) from the derivative of the resistivity curve (dp/dT) is increased with TlF3 doping at 0 and 0.5 teslaand attest on both intragranular and weak links transition, while the full width at half maximum (FWHM) value is decreased. The susceptibility measurements chi'(chi '') show that as the magnetic field increases the intra and intergranular AC loss peaks shift to lower temperature with broadening. It was found that the onset temperature of diamagnetism T-c is increased with TlF3 doping. However, the intergranular peak temperature T-pj decreased with increasing magnetic field and TlF3 amount. This behaviour was explained by the poor connectivity between the grains caused by the presence of weak links or secondary phases. The calculated volume fraction of the grains (f(g)) was found to improve with increasing TlF3 doping and AC magnetic field. Furthermore, the estimated values of the maximum of the extracted matrix susceptibility (chi ''(m,max)) by using a critical state model proved that the intergranular losses are minimized with TlF3 doping. On the other hand, the obtained results shown that the coupling between the grains is rather weak than the coupling within the grains and attested of the improvement of superconducting parameters in the doped samples.en_US
dc.identifier.doi10.1016/j.cryogenics.2018.05.004
dc.identifier.endpage33en_US
dc.identifier.issn0011-2275
dc.identifier.issn1879-2235
dc.identifier.scopus2-s2.0-85047644526en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage26en_US
dc.identifier.urihttps://doi.org/10.1016/j.cryogenics.2018.05.004
dc.identifier.urihttps://hdl.handle.net/20.500.12491/9574
dc.identifier.volume93en_US
dc.identifier.wosWOS:000439400900004en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorVarilci, Ahmet
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofCryogenicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectTlF3 Dopingen_US
dc.subjectAC Susceptibilityen_US
dc.subjectWeak Linksen_US
dc.subjectAC Lossesen_US
dc.subjectCritical State Modelen_US
dc.titleThe effect of TlF3 substitution on the weak links behaviour and AC susceptibility of Bi1.8-xTlxPb0.35Sr2Ca2Cu3OyF3x superconductorsen_US
dc.typeArticleen_US

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