Gapless dynamic magnetic ground state in the charge-gapped trimer iridate Ba${}_4$NbIr${}_3$O${}_{12}$

Abhisek Bandyopadhyay, S. Lee, D. T. Adroja +18

We present an experimental investigation of the magnetic ground state in Ba${}_4$NbIr${}_3$O${}_{12}$, a fractional valent trimer iridate. X-ray absorption and photoemission spectroscopy…