Evidence for distortion-induced local electric polarization in $\hat{I}\pm$-RuCl${}_3$

Xinrun Mi, De Hou, Xiao Wang +14

The spin-orbit assisted Mott insulator $\hat{I}\pm$-RuCl${}_3$ is a prime candidate for material realization of the Kitaev quantum spin liquid. While little attention has been paid to charge…