Failure to achieve the $J_{eff}$~=~0 state even in nearly isolated Ir${}^{5+}$ in Sr${}_3$NaIrO${}_6$: are iridates enough for realizing true $j$-$j$ coupling?

Abhisek Bandyopadhyay, Atasi Chakraborty, Sayantika Bhowal +11

Spin-orbit coupling (SOC) often gives rise to interesting electronic and magnetic phases in an otherwise ordinary pool of paramagnetic heavy metal oxides. In presence of strong SOC…