Transport relaxation measurements in ag-doped superconducting Y-Ba-Cu-O

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dc.authorid0000-0002-0548-4361en_US
dc.authorid0000-0003-2276-6747
dc.authorid0000-0002-6250-6977
dc.contributor.authorAltınkök, Atılgan
dc.contributor.authorKılıç, Kıvılcım
dc.contributor.authorKılıç, Atilla
dc.contributor.authorYetiş, Hakan
dc.contributor.authorOlutaş, Murat
dc.date.accessioned2021-06-23T19:26:14Z
dc.date.available2021-06-23T19:26:14Z
dc.date.issued2009
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.description.abstractSystematic transport relaxation measurements were studied in an Ag doped YBa2Cu3O7-x sample (YBCO/Ag) as functions of transport current (I), temperature (T) and external magnetic field (H). Similar measurements were repeated for YBCO sample without Ag for a comparison. The time effects were examined by the evolution of sample voltage (V - t curves) as a function of time. Comparison between the V - t curves YBCO-Ag and that of YBCO clearly reveals the effect of adding of Ag. At early times of relaxation process, it was observed that the sample voltage rises up rapidly in the V - t curves of YBCO-Ag and levels off within a very short time. Furthermore, the time evolution of quenched state is quite different from that of YBCO as the transport current was reduced to a finite value. This difference in V - t curves was interpreted in terms of presence of Ag which destroys the order parameter along the whole sample. In order to show the effect of Ag, we also studied current-voltage curves (I - V) with different sweeping rates (dI/dt) of transport current. During the measurements, the transport current was cycled in up and down direction. In addition, in measuring of I - V curves, two different procedures were applied, standard and reverse procedures. However, at moderate dissipation levels, we could not observe any difference between these two procedures. This experimental observation suggests that the surface effects are also weakened by adding of Ag into the superconducting matrix.en_US
dc.identifier.doi10.1109/TASC.2009.2018305
dc.identifier.endpage2983en_US
dc.identifier.issn1051-8223
dc.identifier.issn1558-2515
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-68649083928en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage2978en_US
dc.identifier.urihttps://doi.org/10.1109/TASC.2009.2018305
dc.identifier.urihttps://hdl.handle.net/20.500.12491/6469
dc.identifier.volume19en_US
dc.identifier.wosWOS:000268282200107en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorAltınkök, Atılgan
dc.institutionauthorKılıç, Kıvılcım
dc.institutionauthorKılıç, Atilla
dc.institutionauthorYetiş, Hakan
dc.institutionauthorOlutaş, Murat
dc.language.isoenen_US
dc.publisherIeee-Inst Electrical Electronics Engineers Incen_US
dc.relation.ispartofIeee Transactions On Applied Superconductivityen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectFlux Pinningen_US
dc.subjectMagnetoresistanceen_US
dc.subjectType-II Superconductorsen_US
dc.titleTransport relaxation measurements in ag-doped superconducting Y-Ba-Cu-Oen_US
dc.typeArticleen_US

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