Nematic Quantum Critical Fluctuations in BaFe${}_{2-x}$Ni${}_x$As${}_2$

Zhaoyu Liu, Yanhong Gu, Wei Zhang +15

We have systematically studied the nematic fluctuations in the electron-doped iron-based superconductor BaFe${}_{2-x}$Ni${}_x$As${}_2$ by measuring the in-plane resistance change under u…