Magnetic Properties of YBCO Single-Crystal Grown on Y2O3 Layer by a Cold Top-Seeding Method

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dc.authorid0000-0003-4339-1913en_US
dc.contributor.authorAydıner, Alev
dc.contributor.authorÇakır, Bakiye
dc.contributor.authorBaşoğlu, Mehmet
dc.contributor.authorSeki, Hironori
dc.contributor.authorWongsatanawarid, Atikorn
dc.contributor.authorMurakami, Masato
dc.contributor.authorYanmaz, Ekrem
dc.date.accessioned2022-01-19T07:46:16Z
dc.date.available2022-01-19T07:46:16Z
dc.date.issued2012
dc.departmentAÇÜen_US
dc.descriptionThis study was supported by the Turkish Scientific and Research Council (TUBITAK) research grant (TBAG-107T751) and Karadeniz Technical University research grant (BAP-2008.111.001.8). The authors are grateful to Ms. Kubra Karaoglu for technical assistance.en_US
dc.description.abstractIn this work, single-crystal samples 20 mm in diameter were grown by a cold top-seeding method. In order to study the effect of an Y2O3 buffer layer, a compacted precursor was located in a crucible on a buffer layer of freely poured Y2O3 powder. The YBCO bulk samples were carefully prepared in the same chemical composition. In order to examine the homogeneity of the samples, rectangular specimens were cut from a sample. The structural orientation of the specimens was measured by a X-ray diffractrometer (XRD). The microstructure was observed with a Scanning Electron Microscope (SEM). The magnetic properties were measured using a Vibrating Sample Magnetometer (VSM) at 77 K with the applied magnetic field parallel to the c-axis. As a result only (00l) peaks were observed in X-ray diffraction data, indicating that all specimens are highly oriented with the c-axis perpendicular to the top surface. Also the cut samples exhibited very fine Y211 inclusion distributed in the bulk sample observed in SEM micrographs. The critical current density J (c) (A/cm(2)) has been estimated by the extended Bean model. The maximum value of the critical current density at 77 K is 5.2x10(4) A/cm(2) in a self-field. The trapped magnetic field measurements of the samples were performed by using Hall probe scanning device with static field of 0.5 T at 77 K. The single-domain sample exhibits a trapped field of 1140 G at 77 K.
dc.identifier.citationAydıner, A., Çakır, B., Başoğlu, M., Seki, H., Wongsatanawarid, A., Murakami, M., & Yanmaz, E. (2012). Magnetic properties of YBCO single-crystal grown on Y 2 O 3 layer by a cold top-seeding method. Journal of Superconductivity and Novel Magnetism, 25(2), 391-397.en_US
dc.identifier.doi10.1007/s10948-011-1325-z
dc.identifier.endpage397en_US
dc.identifier.issue2en_US
dc.identifier.startpage391en_US
dc.identifier.urihttps://hdl.handle.net/11494/3706
dc.identifier.volume25en_US
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.institutionauthorÇakır, Bakiye
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal of Superconductivity and Novel Magnetism
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.relation.tubitakTBAG-107T751
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectYBCO single crystalen_US
dc.subjectY2O3 buffer layeren_US
dc.subjectCritical current densityen_US
dc.subjectTrapped magnetic fielden_US
dc.titleMagnetic Properties of YBCO Single-Crystal Grown on Y2O3 Layer by a Cold Top-Seeding Methoden_US
dc.typeArticle

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