J Mater Sci Technol ›› 2006, Vol. 22 ›› Issue (02): 215-219.

• Research Articles • Previous Articles     Next Articles

A Valence Electron Structure Criterion of Ionic Conductivity of Sr- and Mg-doped LaGaO3 Ceramics

Min SHI, Ning LIU, Yudong XU, Can WANG, Yupeng YUAN, P.Majewski   

  1. Department of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China; Max-Planck-Institute for Metals Research, Stuttgart 70569, Germany
  • Received:2005-03-16 Revised:2005-07-25 Online:2006-03-28 Published:2009-10-10
  • Contact: Min SHI

Abstract: The valence electron structures of Sr- and Mg-doped LaGaO3 ceramics with different compositions were calculated by Empirical Electron Theory of Solids and Molecules (EET). A criterion for the ionic conductivity was proposed, i.e. the 1/(nAnB) increases with increasing the ionic conductivity when x or y≤% (in molar fraction).

Key words: Empirical electron theory of solids and molecules (EET), Valence electron structure...