Citation: Kim, J.-Y.; Chung, I.; Kim, S.-J.; Choy, J.-H. (2002). Transformation of Dion-Jacobson-type layered oxyfluorides into new anion-deficient pyrochlore-type oxides, A Sr Nb2 O6.5 (A = Li and Na). Journal of Materials Chemistry, 12, pp. 1001-1004.