Infrared properties of the quasi-one-dimensional superconductor β−Na0.33V2O5 under pressure
C. A. Kuntscher, S. Frank, I. Loa, K. Syassen, T. Yamauchi, Y. Ueda
DOI 10.1103/PhysRevB.71.220502 · Physical Review B
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Abstract
Pressure-dependent optical properties in the mid-infrared range are presented for the quasi-one-dimensional superconductor β−Na0.33V2O5 at room temperature. From the monotonic changes of the spectra for pressures below 12 GPa a pressure-induced dimensional crossover and the relevance of electron-phonon coupling can be inferred. The major changes in the spectra above 12 GPa, in particular the development of new excitations, may be due to a redistribution of charge with a possible relation to structural changes. Furthermore, a possible relation between the interchain coupling and the superconducting order is printed out.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Na0.33V2O5 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 10 | 7 GPa | onset |
| Na0.33V2O5 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 10 | 7 GPa | onset |
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