Electronic structure of the organic superconductor κ-(BEDT-TTF)2Cu(NCS)2 [where BEDT-TTF is bis(ethylenedithio)tetrathiafulvalene] studied by scanning tunneling microscopy
Masamichi Yoshimura, Hidemi Shigekawa, Hitoshi Nejoh, Gunzi Saito, Yoshio Saito, Akira Kawazu
DOI 10.1103/PhysRevB.43.13590 · Physical Review B
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Abstract
The bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) molecules in κ-(BEDT-TTF)2Cu(NCS)2 crystals were observed directly by scanning tunneling microscopy. Carrier distribution observed on the BEDT-TTF molecules were in good agreement with the electronic structure calculated by an ab initio method based on the dimerized molecular structure determined by x-ray diffraction. The layer structure consisting of a stack of alternate conductive and insulating layers was clearly observed.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| κ-(BEDT-TTF)2Cu(NCS)2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 10.4 | Pressure unresolved | unknown |
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