Understanding the totally symmetric intramolecular vibrations in κ-phase organic superconductors
R. Wesołowski, J. T. Haraldsen, J. Cao, J. L. Musfeldt, I. Olejniczak, J. Choi, Y. J. Wang, J. A. Schlueter
DOI 10.1103/PhysRevB.71.214514 · Physical Review B
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Abstract
We report magnetoinfrared measurements of two quasi-isostructural κ-phase organic molecular solids: κ−(ET)2Cu[N(CN)2]Br (Tc=11.6K) and the nonsuperconducting κ−(ET)2Cu[N(CN)2]Cl analog. Our results support the contributing role of electron-molecular vibrational coupling to superconductivity in layered organic superconductors, and we identify the most important totally symmetric modes in κ−(ET)2Cu[N(CN)2]Br within the nonplanar molecular building block picture.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| κ-(ET)2Cu[N(CN)2]Br Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 11.6 | Pressure not reported | unknown |
| κ-(ET)2Cu(SCN)2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 10.4 | Pressure not reported | unknown |
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