Nature of the spin liquid ground state in a breathing kagome compound studied by NMR and series expansion

J. -C. Orain, B. Bernu, P. Mendels +5

In the vanadium oxyfluoride compound (NH${}_4$)${}_2$[C${}_7$H${}_{14}$N][V${}_7$O${}_6$F${}_{18}$] (DQVOF), the V${}^{4+}$ (3d${}^1$, $S=1/2$) ions realize a unique, highly frustrated breathing kag…