Pulse-mode measurements of critical current density in bulk high-temperature superconductors
В. М. ДмитриевPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovO. R. Prikhod’koPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovE. V. KhristenkoPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Kharkov
ABI
Abstract
The proposed method of measurement of critical currents in HTS samples with a large cross-sectional area in a wide temperature range consists in the passage of a pulsed electric current through the sample. Temperature dependences of critical currents in HTS ceramic samples are determined. It is shown that experimental conditions can be regarded as isothermal for the electric pulse duration τ ≤ 10 ms.
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