<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>BaLaMnSbO<sub>6</sub> is successfully synthesized by calcination of stoichiometric amounts of BaCO<sub>3</sub>, La<sub>2</sub>O<sub>3</sub>, MnO, and Sb<sub>2</sub>O<sub>5</sub> (alumina crucible; 1.</p> </abstract>