Anisotropic superconductors in tilted magnetic fields
V. K. Vlasko-Vlasov, A. Glatz, A. E. Koshelev, U. Welp, W. K. Kwok
DOI 10.1103/PhysRevB.91.224505 · Physical Review B
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Abstract
We present images of magnetic flux structures in a single crystal of YBa2Cu3O7−d during remagnetization by fields tilted from the basal plane of the crystal. Depending on the magnitude and angle of the applied field, we observe anisotropic flux penetration along and across the in-plane field component and emergence of vortex instabilities resulting in modulated flux distributions. We associate the observed patterns with flux cutting effects and with tilted vortex structures intrinsic for layered superconductors. Time dependent Ginzburg-Landau simulations show preferential vortex motion across the c axis and reveal the flux structure evolution in anisotropic superconductors under tilted magnetic fields.
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. | 92.4 | Pressure not reported | onset |
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