Spin-orbit-entangled frustrated magnetism in fcc Ba${}_2$(Yb,Nd)NbO${}_6$ double perovskites

S. M. Hossain, Sk. Soyeb Ali, S. Mohanty +7

The search for candidate Kitaev materials has largely focused on 4$d$ and 5$d$ transition-metal compounds with various lattice geometries. In contrast, investigations of rare-earth…