Columnar tilt and vortex stress in superconducting thin films of NdBa2Cu3O7−δ: Magnetization critical current-density measurements

2004 ◽  
Vol 96 (12) ◽  
pp. 7403-7406 ◽  
Author(s):  
Sanghamitra Khatua ◽  
P. K. Mishra ◽  
Ravi Kumar ◽  
D. C. Kundaliya ◽  
D. Buddhikot ◽  
...  
1995 ◽  
Vol 66 (7) ◽  
pp. 885-887 ◽  
Author(s):  
J. Y. Juang ◽  
J. H. Horng ◽  
S. P. Chen ◽  
C. M. Fu ◽  
K. H. Wu ◽  
...  

2006 ◽  
Vol 20 (15) ◽  
pp. 923-929
Author(s):  
C. SBÂRCIOG ◽  
T. R. REDAC ◽  
I. GR. DEAC

Ca -doped (x = 0.00, 0.07 and 0.20) epitaxial Y 1-x Ca x Ba 2 Cu 3 O 7-δ thin films were prepared on SrTiO 3 (100) by PLD technique. The superconducting transition temperature is found to decrease with increasing Ca content. The AC-susceptibility data were used to determine the intergranular critical current density, when varying the field amplitude H AC . The temperature dependence of critical current density was determined from the imaginary part of the complex susceptibility, χ′′(T), using Xing's relation. The results were analyzed in terms of superconductor-insulator-superconductor (SIS) and superconductor-normal-superconductor (SNS) type models.


1991 ◽  
Vol 79 (9) ◽  
pp. 713-716 ◽  
Author(s):  
V.V. Srinivasu ◽  
Boben Thomas ◽  
N.Y. Vasanthacharya ◽  
M.S. Hegde ◽  
S.V. Bhat

1989 ◽  
Vol 25 (2) ◽  
pp. 2345-2347 ◽  
Author(s):  
L.H. Allen ◽  
J.H. Claasen ◽  
P.R. Broussard

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