Dzialoshinskii-Moriya interaction in the organic superconductor κ−(BEDT−TTF)2Cu[N(CN)2]Cl
Dylan F. Smith, Stewart M. De Soto, Charles P. Slichter, John A. Schlueter, Aravinda M. Kini, Roxanne G. Daugherty
DOI 10.1103/PhysRevB.68.024512 · Physical Review B
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Abstract
The authors report 13C NMR and magnetization measurements on the magnetic state of oriented single crystals of the organic superconductor κ−(BEDT−TTF)2Cu[N(CN)2]Cl. To understand these data a spin Hamiltonian based on the Pnma symmetry of the crystal is developed. When interpreted in the context of this Hamiltonian, the measurements provide a detailed picture of the spin ordering. It is found that the Dzialoshinskii-Moriya (DM) interaction is largely responsible for the details of the ordering above the spin-flop field. Of particular note, the interplane correlations are determined by the intraplane DM interactions and the direction of the applied field.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| (BEDT-TTF)2Cu[N(CN)2]Cl Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| (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. | — | Pressure not reported | unknown |
| (BEDT-TTF)2Cu[N(CN)2]I 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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