Impedance and dielectric properties of mercury cuprate at nonsuperconducting state

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dc.contributor.authorGüven Özdemir, Zeynep
dc.contributor.authorAslan Çataltepe, Özden
dc.contributor.authorOnbaşlı, Ülker
dc.date.accessioned2024-06-13T20:18:18Z
dc.date.available2024-06-13T20:18:18Z
dc.date.issued2015
dc.departmentFakülteler, Mühendislik Fakültesi, Mekatronik Mühendisliği Bölümü
dc.description.abstractIn this paper, impedance and dielectric properties of nonsuperconducting state of the mercury-based cuprate have been investigated by impedance measurements within the frequency interval of 10 Hz-10 MHz for the first time. The dielectric loss factor (tg delta) and ac conductivity (sigma(ac)) parameters have also been calculated for non-superconducting state. According to impedance spectroscopy analysis, the equivalent circuit of the mercury cuprate system manifests itself as a semicircle in the Nyquist plot that corresponds to parallel connected resistance-capacitance circuit. The oscillation frequency of the circuit has been determined as approximately 45 kHz which coincides with the low frequency radio waves. Moreover, it has been revealed that the mercury-based cuprate investigated has high dielectric constants and hence it may be utilized in microelectronic industry such as capacitors, memory devices etc., at room temperature. In addition, negative capacitance (NC) effect has been observed for the mercury cuprate regardless of the operating temperatures at nonsuperconducting state. Referring to dispersions in dielectric properties, the main contribution to dielectric response of the system has been suggested as dipolar and interfacial polarization mechanisms.
dc.description.sponsorshipYildiz Technical University [2014-01-01-GEP04]
dc.identifier.doi10.1142/S0217979215502057
dc.identifier.issn0217-9792
dc.identifier.issn1793-6578
dc.identifier.issue29
dc.identifier.scopus2-s2.0-84947491586
dc.identifier.scopusqualityQ3
dc.identifier.urihttps://doi.org/10.1142/S0217979215502057
dc.identifier.urihttps://hdl.handle.net/11501/1312
dc.identifier.volume29
dc.identifier.wosWOS:000365796100004
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorAslan Çataltepe, Özden
dc.institutionauthorid0000-0003-4520-9839
dc.language.isoen
dc.publisherWorld Scientific
dc.relation.ispartofInternational Journal of Modern Physics B
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectSuperconductors
dc.subjectElectronic Characterization
dc.subjectDielectric Properties
dc.subjectElectrical Conductivity
dc.titleImpedance and dielectric properties of mercury cuprate at nonsuperconducting state
dc.typeArticle

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