Anisotropic magnetoresistance in the organic superconductor β″−(BEDT−TTF)2SF5CH2CF2SO3
X. Su, F. Zuo, J. A. Schlueter, Jack M. Williams, P. G. Nixon, R. W. Winter, G. L. Gard
DOI 10.1103/PhysRevB.59.4376 · Physical Review B
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Abstract
In this paper, we report transport measurements of interlayer magnetoresistance with field parallel and perpendicular to the current direction in an all organic superconductor β″−(BEDT−TTF)2SF5CH2CF2SO3. For H∥I, the isothermal magnetoresistance R(H) at low temperatures (T<~Tc) displays a peak effect as a function of field. For H⊥I, R(H) increases monotonically with increasing field. The results are very analogous to the interlayer magnetoresistance in κ−(BEDT−TTF)2X compounds. The observation of the peak effect or negative magnetoresistance in different systems for H∥I⊥ plane suggests that it is intrinsic to the layered organic superconductors. For H⊥I, the large positive magnetoresistance is in a general agreement with a two band model for charge transport.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| (BEDT-TTF)2SF5CH2CF2SO3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 5 | Pressure unresolved | midpoint |
| (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 | Pressure unresolved | unknown |
| (BEDT-TTF)2Cu(NCS)2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 10 | Pressure not reported | unknown |
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