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| Title: | FLUX-PINNING IN BI(2)SR(2)CA(1-X)Y(X)CU(2)O8+DELTA AND YBA2CU3O7 |
| Authors: | DHARD, CP
BHATIA, SN |
| Keywords: | high-temperature superconductors |
| Issue Date: | 1995 |
| Publisher: | ELSEVIER SCIENCE BV |
| Citation: | JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 146(1-2), 198-200 |
| Abstract: | We have measured the magnetoresistivity of polycrystalline Bi2Sr2Ca1-xYxCu2O8+delta (BSCCO) with x = 0, 0.05 and 0.20 and YBa2Cu3O7 (YBCO) in magnetic fields of 4 T. We find Inui et al's model to describe the data in a wide temperature range within the flux creep and flux flow regions. The pinning behaviour in BSCCO due to Y doping is found to be similar to the one with application of magnetic field, with the pinning potentials U-0 around 2000 K. U-0 further decreases to around 1300 K for x = 0.20 in the field of 4 T. The pinnings in YBCO system are found to be stronger compared to BSCCO. |
| URI: | http://dx.doi.org/10.1016/0304-8853(95)00034-8
http://dspace.library.iitb.ac.in/xmlui/handle/10054/6617
http://hdl.handle.net/10054/6617 |
| ISSN: | 0304-8853 |
| Appears in Collections: | Article
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