Frequency and voltage dependence of dielectric loss of MgB2 composites at different temperatures

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dc.authorid0000-0003-3183-7017en_US
dc.authorid0000-0003-0583-1754en_US
dc.contributor.authorKorucu, Demet
dc.contributor.authorErtekin, Ercan
dc.contributor.authorBelenli, İbrahim
dc.contributor.authorAltındal, Şemsettin
dc.date.accessioned2021-06-23T19:34:30Z
dc.date.available2021-06-23T19:34:30Z
dc.date.issued2013
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.description.abstractThe dielectric loss (epsilon '') properties of MgB2 composites were investigated by using the conductance-voltage (G/w-V) measurements in the wide frequency and applied bias voltage range at four different temperature levels. Experimental results show that both G/w and epsilon '' are found strong functions of frequency and applied bias voltage for each temperature level. These changes in G/w and epsilon '' are considerably high especially at low frequencies and temperatures. The values of epsilon '' decrease exponentially with increasing frequency until 100 kHz and then become almost constant. Such behavior of G/w and epsilon '' shows that interfacial polarization is more effective especially at low frequencies. In addition, the current-voltage (I-V) characteristics were also evaluated for 100, 200, and 300 K, and the I-V curves for each temperature show linear behavior. Results indicate that the G/w-V measurements may be a useful tool to characterize the dielectric properties and conductivity of MgB2.en_US
dc.identifier.doi10.1007/s10948-012-1817-5
dc.identifier.endpage2170en_US
dc.identifier.issn1557-1939
dc.identifier.issue6en_US
dc.identifier.scopus2-s2.0-84878343304en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage2165en_US
dc.identifier.urihttps://doi.org/10.1007/s10948-012-1817-5
dc.identifier.urihttps://hdl.handle.net/20.500.12491/7536
dc.identifier.volume26en_US
dc.identifier.wosWOS:000323909500009en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorBelenli, İbrahim
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal Of Superconductivity And Novel Magnetismen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectMgB2 Compositesen_US
dc.subjectFrequency and Voltage Dependenceen_US
dc.subjectDielectric Propertiesen_US
dc.subjectAC Conductivityen_US
dc.subjectTemperature Effecten_US
dc.titleFrequency and voltage dependence of dielectric loss of MgB2 composites at different temperaturesen_US
dc.typeArticleen_US

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