Vortex instability and hysteresis effects in I-V curves of superconducting Y1Ba2Cu3O7-delta

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dc.authorid0000-0003-3206-7384
dc.authorid0000-0001-7248-8728
dc.contributor.authorKılıç, Atilla
dc.contributor.authorKılıç, Kıvılcım
dc.contributor.authorÇetin, Oktay
dc.date.accessioned2021-06-23T19:17:41Z
dc.date.available2021-06-23T19:17:41Z
dc.date.issued2003
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.description.abstractWe have investigated the effect of the current sweep rate (CSR) on the vortex dynamics in superconducting bulk sample of Y1Ba2Cu3O7-delta. It has been found that the CSR has several dramatic effects on the vortex motion by giving rise enhancement in dissipation as decreasing the CSR, significant time effects, and instabilities in current-voltage (I-V) curves. The hysteresis loops concerning the I-V curves in both the current-increase and -decrease branches of the forward current region, and also the branches of the reversed current region have been observed together with a gradual diminutive of the hysteresis effects with decreasing the CSR. Due to the field and temperature domain considered, it is also observed that the moving state becomes unstable giving rise some instabilities such as small jumps and steps for both low and moderate current values as a function of CSR. Those anomalies have been discussed in terms of the depinning-pinning correlated to the plastic flow regime together with the disorder in the coupling strength between the superconducting grains, and compared qualitatively to the numerical computer simulations. In addition, for a given field and temperature domain, it has been shown that the CSR together with a relevant current scale is of importance in evolution of the I-V curves and is a useful tool in investigating the details of the vortex dynamics.en_US
dc.identifier.doi10.1016/S0921-4534(02)01967-6
dc.identifier.endpage333en_US
dc.identifier.issn0921-4534
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-0037296169en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage321en_US
dc.identifier.urihttps://doi.org/10.1016/S0921-4534(02)01967-6
dc.identifier.urihttps://hdl.handle.net/20.500.12491/5510
dc.identifier.volume384en_US
dc.identifier.wosWOS:000180453600012en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorKılıç, Atilla
dc.institutionauthorKılıç, Kıvılcım
dc.institutionauthorÇetin, Oktay
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofPhysica C-Superconductivity And Its Applicationsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectHysteresis Effectsen_US
dc.subjectVortex Instability
dc.titleVortex instability and hysteresis effects in I-V curves of superconducting Y1Ba2Cu3O7-deltaen_US
dc.typeArticleen_US

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