Surface pinning and influence of field reduction on magnetic relaxation in YBa2Cu3O7 bulk sample
β Scribed by Z.Y. Zeng; Y. Yu; A.M. Sun; X.N. Xu; S.Y. Ding; X.X. Yao; Ren Hongtao; Xiao Ling
- Book ID
- 108025229
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 307 KB
- Volume
- 269
- Category
- Article
- ISSN
- 0921-4534
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We have performed four probe transport measurements of the critical current in bulk samples of the high-Tc superconductors YBa2Cu307\_~ and DyBa2Cu3074. We found that over a range of temperatures the critical current varies linearly with (T c-T). This result indicates that these ceramics behave as a
Laboratoire d'Etudes des Propri6tds Electroniques des Solides\* C.N.R.S. BP166 -38042 Grenoble -France Magnetic properties and remanent magnetization have been measured on polycrystailine, textured, 1 I~ thick films of YBa2Cu307 prepared by RF reactive sputtering. Contributions to the remanent magne