The influence of DC transport current on the superconducting and normal properties of ceramic high-temperature superconducting Bi-based oxides after their heat treatment
Oxide Materials for Electronic Engineering(2012)
摘要
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.
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关键词
josephson weak links,electrical resistivity,high temperature superconductor (hts),superconducting transition temperature,transport current,temperature measurement,conductivity,high temperature superconductors
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