ČSN EN IEC 61788-17-ed.2

Superconductivity - Part 17: Electronic characteristic measurements - Local critical current density and its distribution in large-area superconducting films

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Podrobné informácie

Označenie: ČSN EN IEC 61788-17-ed.2

Dátum vydania: 01.12.2021

Stránok: 52

Krajina: Česká technická norma

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Anotácia

This part of IEC 61788 specifies the measurements of the local critical current density (Jc) and its distribution in large-area high-temperature superconducting (HTS) films by an inductive method using third-harmonic voltages. The most important consideration for precise measurements is to determine Jc at liquid nitrogen temperatures by an electric-field criterion and obtain current-voltage characteristics from its frequency dependence. Although it is possible to measure Jc in applied DC magnetic fields [20] [21], the scope of this document is limited to the measurement without DC magnetic fields

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