Shubnikov–de Haas oscillation with unusual angle dependence in the organic superconductor κ−(BEDT−TTF)2Cu2(CN)3
E. Ohmichi, H. Ito, T. Ishiguro, G. Saito, T. Komatsu
DOI 10.1103/PhysRevB.57.7481 · Physical Review B
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Abstract
The Shubnikov–de Haas measurement of the organic superconductor κ−(BEDT−TTF)2Cu2(CN)3 yields a rapid oscillation originating from the calculated two-dimensional Fermi surface. In addition, a slow oscillation corresponding to 3.0% of the first Brillouin zone area was observed for a field applied perpendicular to the conducting plane. This oscillation shows an anomalous angle dependence on the magnetic field and corresponds to a three-dimensional Fermi surface rather than a two-dimensional one.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| (BEDT-TTF)2Cu2(CN)3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | 0.76 GPa | unknown |
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