Influence of sample cross-sectional size on superconductor critical current measurements

A self-field is produced during transport critical current measurements. This self-field is the controlling factor in determining the value of the critical current because of the presence of weak links in bulk ceramic superconductors. The critical current density is predicted to depend on the invers...

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Bibliographische Detailangaben
Veröffentlicht in:	Materials letters 1989, Vol.8 (9), p.346-348
1. Verfasser:	Lu, Grant
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Physics Properties of type I and type II superconductors Superconductivity
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	A self-field is produced during transport critical current measurements. This self-field is the controlling factor in determining the value of the critical current because of the presence of weak links in bulk ceramic superconductors. The critical current density is predicted to depend on the inverse of the cross-section size for a given quality sample.
ISSN:	0167-577X 1873-4979
DOI:	10.1016/0167-577X(89)90004-9