How to enhance of magnetodielectric coupling in 6H-perovskites Ba3(Ho,Tb)Ru2O9 ? See our recent work

Enhancement of magnetodielectric coupling in 6H-perovskites Ba3RRu2O9 for heavier rare-earth cations (R=Ho,Tb), Tathamay Basu, Vincent Caignaert, Somnath Ghara, Xianglin Ke, Alain Pautrat, Stephan Krohns, Alois Loidl, and Bernard Raveau

Phys. Rev. Materials 3, 114401 – Published 1 November 2019