Pressure tuning the Jahn-Teller transition temperature in NaNiO${}_2$

Liam A V Nagle-Cocco, Craig L Bull, Sian E Dutton +1

NaNiO${}_2$ is a layered material consisting of alternating layers of NaO${}_6$ and Jahn-Teller-active NiO${}_6$ edge-sharing octahedra. At ambient pressure it undergoes a broad phase tr…