ESR studies on the spin-liquid candidate $\kappa$-(BEDT-TTF)${}_2$Cu${}_2$(CN)${}_3$: anomalous response below $T=8$ K

K. G. Padmalekha, M. Blankenhorn, T. Ivek +3

The organic conductor $\kappa$-(BEDT-TTF)${}_2$Cu${}_2$(CN)${}_3$ seems to form a quantum spin liquid, although at low temperatures unusual properties are seen in the charge, spin and latti…