Frustration-driven unconventional magnetism in the Mn${}^{2+}$ ($S=\frac{5}{2}$) based two-dimensional triangular-lattice antiferromagnet Ba${}_3$MnTa${}_2$O${}_9$

Romario Mondal, Sk. Soyeb Ali, Saikat Nandi +11

A triple perovskite oxide Ba${}_3$MnTa${}_2$O${}_9$ has been synthesized and its magnetic properties have been investigated through dc and ac magnetization, specific heat, electron…