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ABSENCE OF MAGNETIC PAIR-BREAKING IN ZN-DOPED YBA2CU3O7
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UNSPECIFIED (1993) ABSENCE OF MAGNETIC PAIR-BREAKING IN ZN-DOPED YBA2CU3O7. PHYSICAL REVIEW B, 48 (14). pp. 10646-10649.
Research output not available from this repository, contact author.Abstract
Cu-63(2) NMR linewidths in Zn-doped YBa2Cu3O7 exhibit a predominant component proportional to T-1 in the normal state. We attribute this result to spin-exchange scattering of carriers from localized moments associated with Zn impurities in the CuO2 Planes. The estimated moment-carrier exchange, J(eff) = 20 meV, is more than an order of magnitude too small to account for the suppression of T(c) in this system via Abrikosov-Gorkov pair breaking. A suggested alternative explanation is pair breaking by strong potential scattering from the Zn impurity sites which requires d-wave pairing.
| Item Type: | Journal Item | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Journal or Publication Title: | PHYSICAL REVIEW B | ||||
| Publisher: | AMERICAN PHYSICAL SOC | ||||
| ISSN: | 0163-1829 | ||||
| Official Date: | 1 October 1993 | ||||
| Dates: |
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| Volume: | 48 | ||||
| Number: | 14 | ||||
| Number of Pages: | 4 | ||||
| Page Range: | pp. 10646-10649 | ||||
| Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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