Thermal expansion and Vickers hardness measurements on Bi1.6Pb0.4Sr2Ca2−xSmxCu3Oy superconductors

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dc.contributor.authorYılmazlar, M.
dc.contributor.authorÇetinkara, H. A.
dc.contributor.authorNursoy, M.
dc.contributor.authorÖztürk, O.
dc.contributor.authorTerzioğlu, C.
dc.date.accessioned2020-06-25T17:43:29Z
dc.date.available2020-06-25T17:43:29Z
dc.date.issued2006
dc.descriptionOzturk, Ozgur/0000-0002-0391-5551
dc.description.abstractIn this work, Bi1.6Pb0.4Sr2Ca2-SmxCu3Oy (x = 0.0000, 0.0005, 0.0010, 0.0050, 0.0100, 0.1000, 0.5000, 1.0000, 1.5000) superconductors were prepared by conventional solid-state reaction method. The effect of the substitution of Sm for Ca in the high-T-c phase Bi-2223 was investigated by DTA, thermal expansion coefficient, Vickers microhardness, XRD and SEM analysis. The lattice constants and volume fractions are estimated from XRD analysis. The thermal expansion coefficient, the microhardness, the volume fraction, and the lattice constants strongly depend on the Sm content of the samples. XRD data show that the high-Tc phase decreases and the low-T-c phase increase as the Sm substitution changes from x = 0.0 to 1.5. The coefficients of thermal expansion (in the range of 30-800 degrees C) of the pure (x = 0.0) and high doped (x = 1.5) samples were 7.90 x 10(-7) and 5.70 x 10-7 degrees C-1, respectively. The results of Vickers hardness measurements varied between 0.254 and 0.623 GPa as increasing the Sm concentration. (c) 2006 Elsevier B.V. All rights reserved.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1016/j.physc.2006.04.093
dc.identifier.endpage107en_US
dc.identifier.issn0921-4534
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-33745684924
dc.identifier.scopusqualityQ3
dc.identifier.startpage101en_US
dc.identifier.urihttps://doi.org10.1016/j.physc.2006.04.093
dc.identifier.urihttps://hdl.handle.net/20.500.12587/3730
dc.identifier.volume442en_US
dc.identifier.wosWOS:000239286300004
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science Bven_US
dc.relation.ispartofPhysica C-Superconductivity And Its Applications
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectthermal expansion coefficienten_US
dc.subjectDTAen_US
dc.subjectVickers hardnessen_US
dc.titleThermal expansion and Vickers hardness measurements on Bi1.6Pb0.4Sr2Ca2−xSmxCu3Oy superconductorsen_US
dc.typeArticle

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