Ion-beam-induced destruction of superconducting phase coherence in YBa2Cu3O7−δ
Alice E. White, K. T. Short, D. C. Jacobson, J. M. Poate, R. C. Dynes, P. M. Mankiewich, W. J. Skocpol, R. E. Howard, M. Anzlowar, K. W. Baldwin, A. F. J. Levi, J. R. Kwo, T. Hsieh, M. Hong
DOI 10.1103/PhysRevB.37.3755 · Physical Review B
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Abstract
We have explored the effects of ion beam irradiation on the electrical and structural properties of superconducting thin films of YBa2Cu3O7−δ. Damage created by nuclear-energy loss processes degrades the superconducting transitions. Data from resistance measurements as well as from Rutherford backscattering and channeling measurements suggest that ion bombardment is not changing the volume fraction of superconducting material substantially. Instead, it appears that islands of good superconductor are becoming progressively decoupled, destroying the phase coherence.
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. | 91 | Pressure not reported | zero_resistance |
| YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 92 | Pressure not reported | onset |
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