ESR data on κ-(BEDT-TTF)₂Ag₂(CN)₃ indicate singlet correlations and an inhomogeneous spin gap develop at low T, with high-T behavior fitted to Heisenberg exchange J/kB ≈ 175 K and a weak impurity Curie tail.
The title compound κ- AgCN however does not show a similar behavior: from Fig
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Gapped magnetic ground state in the spin-liquid candidate $\kappa$-(BEDT-TTF)$_2$Ag$_2$(CN)$_3$ suggested by magnetic spectroscopy
ESR data on κ-(BEDT-TTF)₂Ag₂(CN)₃ indicate singlet correlations and an inhomogeneous spin gap develop at low T, with high-T behavior fitted to Heisenberg exchange J/kB ≈ 175 K and a weak impurity Curie tail.