The influence of DC transport current on the superconducting and normal properties of ceramic high-temperature superconducting Bi-based oxides after their heat treatment

The effect of the DC transport current (I) on the superconducting and normal properties of ceramic high-temperature superconducting bismuth-based oxides of different compositions was studied by temperature dependent resistivity (r) measurements at fixed points around liquid nitrogen temperature unde...

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Hauptverfasser:	Nikoghosyan, S.K., Harutunyan, V.V., Baghdasaryan, V.S., Mughnetsyan, E.A., Zargaryan, E.G., Sarkisyan, A.G.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Conductivity Current measurement electrical resistivity Granular superconductors high temperature superconductor (HTS) High temperature superconductors Josephson weak links Superconducting transition temperature Temperature dependence Temperature measurement transport current
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Beschreibung
Zusammenfassung:	The effect of the DC transport current (I) on the superconducting and normal properties of ceramic high-temperature superconducting bismuth-based oxides of different compositions was studied by temperature dependent resistivity (r) measurements at fixed points around liquid nitrogen temperature under the presence of Earth's geomagnetic field. It has been shown that the observed results are significantly dependent on the sample preparation and post-processing conditions as well as on the measurement temperature.
DOI:	10.1109/OMEE.2012.6464838