Effects of inhomogeneity on the interlayer magnetoresistance in the organic superconductor κ−(BEDT−TTF)2Cu[N(CN)2]Br
F. Zuo, X. Su, P. Zhang, J. A. Schlueter, M. E. Kelly, Jack M. Williams
DOI 10.1103/PhysRevB.57.R5610 · Physical Review B
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Abstract
In this paper, we compare the interlayer transport in the organic superconductor κ−(BEDT−TTF)2Cu[N(CN)2]Br on samples of different inhomogeneities in terms of resistive transition width ΔT. For field parallel to the current, H‖I, in the direction perpendicular to the layers, the isothermal magnetoresistance R(H) displays a peak effect as a function of field for high quality samples. The peak effect decreases gradually with increasing ΔT and it disappears completely for the sample with ΔT>2 K. The results demonstrate clearly that the peak in R(H) in the interlayer direction is intrinsic to the layered structure in this compound.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| κ-(BEDT-TTF)2Cu[N(CN)2]Br Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 11.5 | Pressure not reported | onset |
| κ-(BEDT-TTF)2Cu[N(CN)2]Br Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 12 | Pressure not reported | onset |
| Bi2Sr2CaCu2O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| YBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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