Cleavage surface energy of SrTiO3 single crystal

Abstract

This study was carried out to clarify systematically the crystal orientation dependence of cleavage surface energy, γs of SrTi03 single crystal by molecular dynamics calculation. It was found that the lowest cleavage surface energy was the lowest in (001), which was non-polar plane, and the highest in (011), which was polar plane, orientations. From these findings, it was concluded that crystal orientation dependence of γs was strongly correlated with surface charge density.