The Determination of the Specific Capacitance of Mercury Based Copper Oxide Layered Superconductor at Superconducting State
Journal Title: Cumhuriyet Science journal - Year 2018, Vol 39, Issue 3
Abstract
Mercury based copper oxide layered high temperature superconductor, which consists of superconductor–insulator–superconductor (SIS) layers, can be considered as a stack of nearly ideal, intrinsic Josephson junctions (IJJ). The SIS junction, where the electrical field is confined, topologically resembles a parallel-plate capacitor. As is known, the coupling between junctions in superconductors is capacitive. Hence, the determination of the specific capacitance (Cs) of the IJJ at the superconducting state has a crucial importance in order to give information about superconductivity mechanism. In this study, the Cs values of the investigated sample have been calculated by means of the critical current density, Jcand plasma frequency, that have been obtained from magnetic measurements taken at the below temperatures than the critical transition temperature, Tc. Moreover, Cs values at superconducting temperature have been compared to that of the normal temperature.
Authors and Affiliations
Özden ASLAN ÇATALTEPE
Keywords
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- EP ID EP488378
- DOI 10.17776/csj.427219
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