# Philosophical Magazine A, 1997, Vol. 75, No. 3, 833-846 # Phase stability and interfacial structures in the SrO-SrTi03 system # By MICHAEAL. McCoY, ROBIN W. GRIMES and WILLIAM E. LEE species Sr core 2.00 O core 0.04 O shel -2.04 Ti core 4.1 Ti shel -0.1 buckingham Sr core O shel 682.172 0.39450 0.0 0.0 20.0 Ti core O shel 2179.122 0.30384 8.986 0.0 20.0 O shel O shel 9547.960 0.29120 32.00 0.0 20.0 spring O 6.3 Ti 200