Negative real permittivity in (Bi0.3Eu0.7)Sr2CaCu2O6.5 ceramic

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dc.contributor.authorKılıç, Mehmet
dc.contributor.authorGüven Özdemir, Zeynep
dc.contributor.authorKarabul, Yaşar
dc.contributor.authorKarataş, Özgül
dc.contributor.authorAslan Çataltepe, Özden
dc.date.accessioned2024-06-13T20:18:03Z
dc.date.available2024-06-13T20:18:03Z
dc.date.issued2020
dc.departmentFakülteler, Mühendislik Fakültesi, Mekatronik Mühendisliği Bölümü
dc.description.abstractBi0.3Eu0.7Sr2CaCu2O6.5 was prepared by solid-state reaction method and characterized by Scanning Electron Microscope, X-Ray Fluorescence, X-Ray Diffraction, and electron spin resonance measurements. The frequency dependences of the real and imaginary parts of ac impedance and complex permittivity along with ac conductivity of the sample were studied in 1 Hz-40 MHz range for 296-433 K by an impedance analyzer. The ac impedance analyses of the sample at different temperatures pointed out the possible usage of the material in temperature sensor applications. The negative real permittivity (NRP) was observed at 353 K and the higher temperatures operated. Additionally, it was observed that the cross over frequency, where the real permittivity changes its sign from positive to negative, increases gradually with increasing temperature. The origin of the temperature-induced negative permittivity was discussed in the context of the Drude model and plasma oscillations. Ultimately, Bi0.3Eu0.7Sr2CaCu2O6.5 ceramics can be suggested as source material for NRP.
dc.description.sponsorshipIstanbul Gedik University Scientific Research Projects Coordination Department [GDK201702-BA004]
dc.description.sponsorshipThis research has been supported by Istanbul Gedik University Scientific Research Projects Coordination Department with Project No. GDK201702-BA004.
dc.identifier.doi10.1016/j.physb.2020.412080
dc.identifier.issn0921-4526
dc.identifier.issn1873-2135
dc.identifier.scopus2-s2.0-85079541384
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1016/j.physb.2020.412080
dc.identifier.urihttps://hdl.handle.net/11501/1200
dc.identifier.volume584
dc.identifier.wosWOS:000524349800006
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorAslan Çataltepe, Özden
dc.institutionauthorid0000-0003-4520-9839
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofPhysica B-Condensed Matter
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectBi-Based Perovskite
dc.subjectRare Earth Element
dc.subjectNegative Real Permittivity
dc.subjectDielectric Spectroscopy
dc.titleNegative real permittivity in (Bi0.3Eu0.7)Sr2CaCu2O6.5 ceramic
dc.typeArticle

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