Flux pinning, granularity and the irreversibility line of the high-Tc superconductor HgBa2Cu04+x

Nature ◽  
1993 ◽  
Vol 364 (6433) ◽  
pp. 129-131 ◽  
Author(s):  
A. Umezawa ◽  
W. Zhang ◽  
A. Gurevich ◽  
Y. Feng ◽  
E. E. Hellstrom ◽  
...  
2009 ◽  
Vol 469 (15-20) ◽  
pp. 1052-1054 ◽  
Author(s):  
D. Ahmad ◽  
I. Park ◽  
G.C. Kim ◽  
J.H. Lee ◽  
Z.-A. Ren ◽  
...  

1991 ◽  
Vol 40 (4) ◽  
pp. 630
Author(s):  
JIN XIN ◽  
ZHANG YI-TONG ◽  
LU MU ◽  
ZHANG CHANG-GUI ◽  
YAN YONG ◽  
...  

1992 ◽  
Vol 275 ◽  
Author(s):  
J. S. Zhu ◽  
J. Li ◽  
X. M. Lu ◽  
X. Jin ◽  
M. Gu ◽  
...  

ABSTRACTThe mechanical behaviors of flux pinning in GdxY1−xBa2Cu3Oy with various concentration of Gd were studied comparatively by means of a vibrating reed technique. Both the internal friction and the modulus increased with enhanced flux pinning due to the increasing of Gd content in GdxY1−xBa2Cu3Oy. It was in accordance with the results of the magnetic hysteresis measurements using a vibrating sample magnetometer. These results indicated that the substitution of magnetic rare-earth ions is a practicable method for improving the flux pinning in high Tc superconductor and the mechanical measurement of flux pinning as a judgement for the superconductivity of sample was proved.


1992 ◽  
Vol 104-107 ◽  
pp. 485-486 ◽  
Author(s):  
Kenichi Tenya ◽  
Hideki Miyajima ◽  
Yuuichi Ishikawa ◽  
Shuji Yoshizawa

1992 ◽  
Vol 201 (1-2) ◽  
pp. 183-188 ◽  
Author(s):  
Y. Sakaguchi ◽  
M. Kikuchi ◽  
N. Kobayashi ◽  
K. Fukuoka ◽  
Y. Syono

1996 ◽  
Vol 46 (S3) ◽  
pp. 1627-1628
Author(s):  
Ralf Noetzel ◽  
Bernd vom Hedt ◽  
Kurt Westerholt

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