Pressure-induced phase transition in pyrochlore iridates (Sm${}_{1-x}$Bi${}_x$)${}_2$Ir${}_2$O${}_7$ ($x=$ 0, 0.02, and 0.10): Raman and X-ray diffraction studies

M Rosalin, K. A. Irshad, Boby Joseph +5

The pyrochlore iridates, A${}_2$Ir${}_2$O${}_7$, show a wide variety of structural, electronic, and magnetic properties controlled by the interplay of different exchange interactions, wh…