Fermi- to non-Fermi-liquid crossover and Kondo transition in two-dimensional Cu${}_{2/3}$V${}_{1/3}$V${}_2$S${}_4$

A. Gauzzi, H. Moutaabbid, Y. Klein +2

By means of a specific heat ($C$) and electrical resistivity ($\varrho$) study, we give evidence of a pronounced Fermi liquid (FL) behavior with sizable mass renormalization, $m^{\…