Glassy behavior of vortex liquid in high-Tc superconducting thin films
B. W. Kang, J. Z. Wu, A. A. Gapud, W. N. Kang, D. K. Christen, R. Kerchner
DOI 10.1103/PhysRevB.60.3088 · Physical Review B
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Abstract
In the presence of pinning, two vortex-liquid regions were identified: a glassy liquid (GL), where vortices remain coupled in the ab plane as manifested by non-Ohmic resistivity, and a regular liquid (RL), where resistivity becomes Ohmic as vortices become decoupled. The field dependence of the Hall angle is linear in the RL and nonlinear in the GL. Since the boundary (Hk−T) between the GL and RL shifts to higher temperatures and magnetic fields as pinning increases, vortices may be decoupled and depinned simultaneously when the Hk−T line merges into the vortex depinning line.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| HgBa2CaCu2O6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 123 | Pressure not reported | unknown |
| Tl2Ba2CaCu2O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 106 | Pressure not reported | unknown |
| YBa2Cu3O7 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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