Angular-dependent muon-spin rotation and torque magnetometry on the mixed state of the high-temperature superconductor YBa2Cu3O7−δ
C. Ager, F. Y. Ogrin, S. L. Lee, C. M. Aegerter, S. Romer, H. Keller, I. M. Savić, S. H. Lloyd, S. J. Johnson, E. M. Forgan, T. Riseman, P. G. Kealey, S. Tajima, A. Rykov
DOI 10.1103/PhysRevB.62.3528 · Physical Review B
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Abstract
Muon-spin rotation (μSR) and torque magnetometry have been used to probe the anisotropy of an untwinned single crystal of YBa2Cu3O7−δ. The absence of twin planes allows the ratios of all three principal components of the superconducting effective mass tensor to be determined. The values for the in-plane anisotropy are in good agreement with values obtained by other techniques. The out-of-plane anisotropies as measured by μSR are also found to be in good agreement with other microscopic measurements, but somewhat lower than those resulting from torque measurements on this and other crystals.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 93.5 | Pressure not reported | onset |
| YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 93.5 | Pressure not reported | onset |
| Bi2.15Sr1.85CaCu2O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| YBa2Cu4O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| YBa2Cu3O6.955 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| YBa2Cu3O6.95 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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