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Easily Activated Flux Creep and Anisotropic Fluctuation in Ndcecuo Thin Films

Published online by Cambridge University Press:  28 February 2011

S. Hatta ,
S. Hayashi ,
H. Adachi  and
K. Wasa
S. Hatta
Affiliation:
Central Research Laboratories of Matsushita Electric Industrial Co., Ltd., Moriguchi, Osaka 570, Japan
S. Hayashi
Affiliation:
Central Research Laboratories of Matsushita Electric Industrial Co., Ltd., Moriguchi, Osaka 570, Japan
H. Adachi
Affiliation:
Central Research Laboratories of Matsushita Electric Industrial Co., Ltd., Moriguchi, Osaka 570, Japan
K. Wasa
Affiliation:
Central Research Laboratories of Matsushita Electric Industrial Co., Ltd., Moriguchi, Osaka 570, Japan
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Abstract

The diamagnetic properties of NdCeCuO films with electron carriers were studied. The,critical current density ( Jc ) was calculated to be 0.73 x 106 A/cm2 . These films indicated the very strong magnetic relaxation with small activation energy, the significant resistive broadening in the critical region and the largely fluctuated diamagnetization. These results suggested the very weak pinning forces to cause the easily activated flux motion in these specimens.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 169: Symposium M – High Temperature Superconductors: Fundamental Properties and Novel Materials Processing , 1989 , 907
Copyright
Copyright © Materials Research Society 1990

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References

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3 Hidaka, Y. and Suzuki, M.: Nature 338, 635 (1989)Google Scholar
4 Hatta, S., Hayashi, S., Adachi, H. and Wasa, K. : Jpn. J. Appl. Phys. 28, L1201 (1989)Google Scholar