Na${}_2$Ir${}^{\text{IV}}$Cl${}_6$: The Missing Member of the Perfectly Cubic Vacancy Ordered $A_2$IrCl${}_6$ Family, Another Potential $J_{eff}$ = $\frac{1}{2}$ Ground State Candidate

Siddhartha Sankar Soren, Aditya Patra, Rounak Das +5

Vacancy ordered double perovskites (VODPs) have been known for more than 100 years, but their exact crystal structures and magnetic ground state remained controversial till date. A…