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Digitale Medien

Flux pinning in high-T c superconductive films (1995)

Shi, Z. X. ; Ji, H. L. ; Jin, X. ; [weitere]

Springer

Journal of superconductivity 8 (1995), S. 241-245

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Details

ISSN: 1572-9605

Schlagwort(e): Thin films ; magnetization ; pinning force ; flux creep

Quelle: Springer Online Journal Archives 1860-2000

Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Physik

Notizen: Abstract Magnetization measurements have been performed onc-axis oriented Y- and Gd-based superconductive films in a wide range of the temperaturesT (4.2–85 K) and magnetic fieldsH (0–8 T) withH∥ c-axis. The influence of flux creep on both the temperature dependence of critical current densityJ cm and the scaling behavior of flux pinning forceF p has been discussed in detail. The experimental results show that Y and Gd films have different pinning mechanism. Flux pinning-force peaks in high fields are observed in Gd film at high temperatures and can be considered as evidence for collective pinning.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00732377

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