Orbital reformation with vanadium trimerization in $d^2$ triangular lattice LiVO${}_2$ revealed by ${}^{51}$V NMR

Takaaki Jin-no, Yasuhiro Shimizu, Masayuki Itoh +2

LiVO${}_2$ is a model system of the valence bond solid (VBS) in $3d^2$ triangular lattice. The origin of the VBS formation has remained controversial. We investigate the microscopic…