Quantum oscillations in coupled orbits networks of (BEDT-TTF) salts with tris(oxalato)metallate anions

Band structure calculations relevant to bis-ethylenedithio-tetrathiafulvalene-based charge transfer salts containing tris(oxalato)metallate anions, with generic formula (BEDT-TTF)4A[M(C2O4)3]·Solv, where A is a monovalent anion, M is a trivalent cation and Solv is a solvent, suggest that their Fermi...

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Bibliographic Details
Published in:Low temperature physics (Woodbury, N.Y.) N.Y.), 2017-01, Vol.43 (1), p.27-33
Main Authors: Laukhin, Vladimir N., Audouard, Alain, Fortin, Jean-Yves, Vignolles, David, Prokhorova, Tatyana G., Yagubskii, Eduard B., Canadell, Enric
Format: Article
Language:English
Subjects:
Anions
Charge transfer
Condensed Matter
Fermi surfaces
Oscillations
Physics
Superconductivity
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Summary:Band structure calculations relevant to bis-ethylenedithio-tetrathiafulvalene-based charge transfer salts containing tris(oxalato)metallate anions, with generic formula (BEDT-TTF)4A[M(C2O4)3]·Solv, where A is a monovalent anion, M is a trivalent cation and Solv is a solvent, suggest that their Fermi surface is liable to achieve networks of compensated orbits coupled by magnetic breakdown. Even though this picture accounts for quantum oscillations spectra of a number of these compounds, puzzling results can be noticed in several cases, pointing to the possibility of Fermi surface reconstruction at low temperature.
ISSN:1063-777X
1090-6517
DOI:10.1063/1.4974184