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NMR evidence for common superconducting and pseudogap phase diagrams of YBa2Cu3O7-delta and La2-xSrxCaCu2O6
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UNSPECIFIED (1996) NMR evidence for common superconducting and pseudogap phase diagrams of YBa2Cu3O7-delta and La2-xSrxCaCu2O6. PHYSICAL REVIEW B, 54 (10). R6909-R6912. ISSN 0163-1829
Full text not available from this repository.Abstract
We report ac susceptibility and O-17 nuclear-magnetic-resonance (NMR) measurements on the double-CuO2-layer La2-xSrxCaCu2O6 high-temperature superconducting cuprate (HTSC) with a T-c,T-max of 60 K. A comparison is made with Y-89 NMR measurements on YBa2Cu3O7-delta. which has a higher T-c,T-max of 93 K and Y0.8Ca0.2Ba2Cu3O7-delta with a slightly lower T-c,T-max of 87 K. We find that the hole concentration dependence of the normal-state gap and of T-c both scale with T-c,T-max, implying a universal scaled phase diagram for these two superconductors, and, by implication, for the wider class of HTSC. This suggests that the normal-state gap and the pairing mechanism may have a common origin.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Journal or Publication Title: | PHYSICAL REVIEW B |
| Publisher: | AMERICAN PHYSICAL SOC |
| ISSN: | 0163-1829 |
| Date: | 1 September 1996 |
| Volume: | 54 |
| Number: | 10 |
| Number of Pages: | 4 |
| Page Range: | R6909-R6912 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/18421 |
Data sourced from Thomson Reuters' Web of Knowledge
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