A probe for magnetization measurements of thin superconducting films in pulsed high magnetic fields

1995 ◽  
Vol 66 (8) ◽  
pp. 4267-4270 ◽  
Author(s):  
A. S. Lagutin ◽  
J. Vanacken ◽  
N. Harrison ◽  
F. Herlach

Resistance transitions of tin films with thicknesses in the range 600 to 10 000 Å have been studied in parallel and perpendicular magnetic fields. The transitions in perpendicular fields are surprisingly sharp, show no sign of a tail at low fields, and are comparatively insensitive to edge effects. The perpendicular field necessary to restore the full normal resistance ( H ⊥ ) is never very different from the bulk critical field ( H c ) even for films as thin as 600 Å. The sharpness of the transition is apparently due to the persistence of a continuous superconducting thread long after the film has become almost completely normal. Simple theoretical considerations suggest that H ⊥ exceeds H c only if the effective penetration depth λ Є exceeds the coherence distance


1999 ◽  
Vol 23 (1_2) ◽  
pp. 471-473
Author(s):  
K. Koyama ◽  
T. Goto ◽  
H. Fujii ◽  
H. Fukuda ◽  
Y. Janssen

1991 ◽  
Vol 190 (1-2) ◽  
pp. 79-80 ◽  
Author(s):  
Hisanori Yamane ◽  
Masaharu Hasei ◽  
Hideyuki Kurosawa ◽  
Kazuo Watanabe ◽  
Satoshi Awaji ◽  
...  

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