Low-frequency response in the surface superconducting state of single-crystal ZrB12
Grigory I. Leviev, Valery M. Genkin, Menachem I. Tsindlekht, Israel Felner, Yurii B. Paderno, Vladimir B. Filippov
DOI 10.1103/PhysRevB.71.064506 · Physical Review B
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Abstract
A large nonlinear response of a single crystal of ZrB12 to an ac field (frequency 40–2500Hz) for H0>Hc2 has been observed. Direct measurements of the ac wave form and the exact numerical solution of the Ginzburg-Landau equations, as well as the phenomenological relaxation equation, permit the study of the surface superconducting state dynamics. It is shown that the low-frequency response is defined by transitions between the metastable superconducting states under the action of an ac field. The relaxation rate that determines such transition dynamics is found.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| ZrB12 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 6.06 | Pressure not reported | unknown |
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