Realization of higher coordinated Er in high-pressure cotunnite phase of Er${}_2$Ti${}_2$O${}_7$

M. Modak, Rahul Kaiwart, Santosh K. Gupta +4

In this article we report the structural stability of Er${}_2$Ti${}_2$O${}_7$ cubic pyrochlore with pressure using x-ray diffraction, Raman spectroscopy, photoluminescence, x-ray absorpt…