An investigation of the effect of grain size on some properties of intrinsic Josephson junction

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dc.contributor.authorAslan Çataltepe, Özden
dc.contributor.authorGüven Özdemir, Zeynep
dc.contributor.authorOnbaşlı, Ülker
dc.date.accessioned2024-06-13T20:18:03Z
dc.date.available2024-06-13T20:18:03Z
dc.date.issued2013
dc.departmentFakülteler, Mühendislik Fakültesi, Mekatronik Mühendisliği Bölümü
dc.description8th International Symposium on Intrinsic Josephson Effects and Plasma Oscillations in High-Tc Superconductors (PLASMA) -- June 10-13, 2012 -- Çeşme, Turkey
dc.description.abstractSome superconducting parameters of the high temperature superconductors, such as the plasma frequency and the critical transition temperature, depend on the oxygen content of the material. Since the oxygen content is effective on the grain size of the system, the under, optimally and over oxygen doped Hg-based copper oxide layered superconductors, which have the hole type superconductivity, have been investigated in this study. As is known that the concentration of hole type carriers is increased via optimally oxygen annealing. In other words, relatively higher values for the various critical parameters are achieved by the optimally oxygen doping procedure. In this work, the grain sizes of the oxygen annealed samples have been investigated by Scanning Electron Microscopy (SEM). Moreover, the magnetization data obtained via Superconducting Interference Quantum Device (SQUID) has been utilized for calculation of critical current density, which is essential parameter for determining Josephson penetration depth. The Josephson penetration depths of the systems have been calculated by Lawrence-Doniach Model for high temperature superconductors. Since plasma frequency of the system is inversely proportional to Josephson penetration depth, the plasma frequencies of the various doping profiles have also been calculated for the high temperature superconductor investigated.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TÜBİTAK) ; Izmir Institute of Technology (IZTECH)
dc.identifier.doi10.1016/j.physc.2013.01.011
dc.identifier.endpage62
dc.identifier.issn0921-4534
dc.identifier.scopus2-s2.0-84879069449
dc.identifier.scopusqualityQ2
dc.identifier.startpage59
dc.identifier.urihttps://doi.org/10.1016/j.physc.2013.01.011
dc.identifier.urihttps://hdl.handle.net/11501/1202
dc.identifier.volume491
dc.identifier.wosWOS:000320597700015
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorAslan Çataltepe, Özden
dc.institutionauthorid0000-0003-4520-9839
dc.language.isoen
dc.publisherElsevier Science Bv
dc.relation.ispartof8th International Symposium on Intrinsic Josephson Effects and Plasma Oscillations in High-Tc Superconductors (PLASMA)
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectIntrinsic Josephson Junction
dc.subjectHg-Based High Temperature Superconductor
dc.subjectPlasma Frequency
dc.subjectEffect of Oxygen Annealing
dc.subjectEffect of Grain Size
dc.titleAn investigation of the effect of grain size on some properties of intrinsic Josephson junction
dc.typeArticle

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