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dc.contributor.authorÖztürk, K.
dc.contributor.authorÇelik, Şükrü
dc.contributor.authorÇevik, U.
dc.contributor.authorYanmaz, E.
dc.date.accessioned2020-12-19T20:12:44Z
dc.date.available2020-12-19T20:12:44Z
dc.date.issued2008
dc.identifier.citationÖztürk, K., Çelik, Ş., Çevik, U. & Yanmaz, E. (2008). Investigation of some superconducting properties of ytterbium diffusion-doped YBa2Cu3O7-x superconductors. Journal of Alloys and Compounds, 456(1-2), 34-39. https://doi.org/10.1016/j.jallcom.2007.02.107en_US
dc.identifier.issn0925-8388
dc.identifier.urihttps://doi.org/10.1016/j.jallcom.2007.02.107
dc.identifier.urihttps://hdl.handle.net/11436/3928
dc.description.abstractThe effect of Yb diffusion on structural evolution and superconducting properties of YBa2Cu307-x (Y123) prepared in the bulk polycrystalline form were studied. The ytterbium (Yb) diffusion in superconducting Y123 ceramic has been studied over the temperature range 800-900 °C by energy dispersive X-ray fluorescence technique (EDXRF). The temperature dependences of the Yb diffusion coefficient in grain (D1) and over the grain boundaries (D2) are described by the relations: D1 = 4.8 × l0-6 exp(-1.15/kT) and D2 = 2.2 × l0-5 exp(-1.05/kT). For the Yb-doped sample, critical current density was increased from 1.64 × 104 to 1.91 × 104 A/cm2 at 5 K and 56 to 135 A/cm2 at 77 K in comparison with those of undoped Y123 sample. In addition, the critical transition temperature increases by about 3 K compared with the pure Y123. It is found that Jc can be improved by the diffusion doping of Yb in Y123, which may be due to improving the structural quality at the grain boundaries and stress-field pinning effect. © 2007 Elsevier B.V. All rights reserved.en_US
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCritical current densityen_US
dc.subjectGrain boundariesen_US
dc.subjectM-H loopsen_US
dc.subjectYb-diffusionen_US
dc.subjectYBa2Cu3O7-xen_US
dc.titleInvestigation of some superconducting properties of ytterbium diffusion-doped YBa2Cu3O7-x superconductorsen_US
dc.typearticleen_US
dc.contributor.departmentRTEÜ, Fen - Edebiyat Fakültesi, Fizik Bölümüen_US
dc.contributor.institutionauthorÇelik, Şükrüen_US
dc.identifier.doi10.1016/j.jallcom.2007.02.107
dc.identifier.volume456en_US
dc.identifier.issue01.Feben_US
dc.identifier.startpage34en_US
dc.identifier.endpage39en_US
dc.relation.journalJournal of Alloys and Compoundsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US


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