Strategies for the Optimisation of the Oxide Ion Conductivities of Apatite-Type Germanates

• Main Authors: Baikie, Tom, Panchmatia, P., White, Timothy John, Hanna, J., Smith, M. E., Islam, M. S., Kendrick, E., Slater, P. R., Orera, A.
• Other Authors: School of Materials Science & Engineering
• Format: Article
• Language: English
• Published: 2017
• Subjects: Defect Trapping; Apatite
• Online Access: https://hdl.handle.net/10356/85605; http://hdl.handle.net/10220/43749
• Institution: Nanyang Technological University

Recently, apatite-type germanates La9.33+xGe6O26+3x/2 have attracted considerable interest due to their high oxide ion conductivities. Research has shown that the key defects are oxide ion interstitials which lead to the conversion of some of the GeO4 units to GeO5. Consequently there has been a lar...