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dc.contributor.authorDoğan, Şeyda
dc.contributor.authorÇakır, Bakiye
dc.contributor.authorAydıner, Alev
dc.date.accessioned2020-06-10T10:48:13Z
dc.date.available2020-06-10T10:48:13Z
dc.date.issued2016en_US
dc.identifier.citationDuman, Ş., Çakır, B., & Aydıner, A. (2016). Fluctuation-Induced Conductivity Analysis of Y 2 O 3-Layered YBCO Single Crystal. Journal of Superconductivity and Novel Magnetism, 29(9), 2275-2280.en_US
dc.identifier.urihttps://hdl.handle.net/11494/2093
dc.description.abstractIn this work, a cylindrical YBa2Cu3O7-x (Y123) sample having 20 mm diameter and 8 mm height was prepared by the cold-seeding method using an Nd123 seed, and the crystal growth process was performed in an alumina crucible with a Y2O3 layer. The structural orientation of the specimens was measured by an X-ray diffractometer (XRD). As a result of the X-ray diffraction data, only (00 l) peaks were observed, indicating that all specimens are highly oriented with the c-axis perpendicular to the top surface. Resistivity measurements of a 1.5-mm-thick rectangular sample were performed by a standard four-probe method at temperatures between 60 and 100 K at a rate of 4 K/min using a Physical Properties Measurement System (PPMS) under various constant magnetic fields from 1 to 5 T with the magnetic field parallel to the c-axis, which is the direction of pressing into the zero-field cooling regime (ZFC). Fluctuation-induced conductivity analysis was performed to investigate the availability of the sample for technology. The analysis showed that the critical exponents were in agreement with theoretical values; thus, it was seen that superconducting properties of the sample were good and the 3D fluctuation was dominant. Because of the large c-axis coherence length (xi (c)(0)) and small anisotropy, the superconducting properties became better. Furthermore, the fluctuations were reduced, and it was understood that the effective availability of the sample in technology will be possible.en_US
dc.description.sponsorshipTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK): TBAG-107T751 Karadeniz Teknik University: BAP-2008.111.001.8en_US
dc.language.isoengen_US
dc.publisherSpringeren_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectYBCO single crystalen_US
dc.subjectY2O3 layeren_US
dc.subjectResistivity measurementsen_US
dc.subjectFluctuation-induced conductivityen_US
dc.subjectc-axis coherence lengthen_US
dc.titleFluctuation-induced conductivity analysis of Y2O3-layered YBCO single crystalen_US
dc.typearticleen_US
dc.relation.journalJournal of Superconductivity and Novel Magnetismen_US
dc.departmentAÇÜ, Sağlık Hizmetlerien_US
dc.identifier.volume29en_US
dc.identifier.issue9en_US
dc.identifier.startpage2275en_US
dc.identifier.endpage2280en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.relation.tubitakTBAG-107T751
dc.identifier.doi10.1007/s10948-016-3581-4en_US
dc.contributor.institutionauthorDoğan, Şeydaen_US
dc.contributor.institutionauthorÇakır, Bakiye


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