Experimental and theoretical study of cation-size-driven mixed conductivity in monoclinic Ln2MoO6 (Ln = Nd, Dy, Ho, Lu) ceramics

Key Points

• Mixed conductivity varies significantly with changes in cation size in Ln2MoO6 ceramics, enhancing performance.
• Key evidence shows up to 50% increase in conductivity for specific cation sizes, indicating optimal configurations.
• Experimental and theoretical methods were utilized to assess how cation-size affects mixed conductivity characteristics.
• These findings may enable the design of more efficient materials for energy applications and ionic transport.