81 a srfeo3 a 386 a lamno3 a 403 a 20 20 20 energy

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: -O Distances Fe(Mn) LaMnO3 2 1.907(1) 2 2.178(1) 2 1.968(1) SrFeO3 6 1.92 Fe(Mn)-O-Fe(Mn) Angles Fe(Mn) Fe(Mn) CaFeO3 Octahedral tilting and decreased covalency both narrow the * (eg) band. (e This leads to electron localization and a cooperative Jahn-Teller Distortion Jahn155.48(5) 155.11(5) SrFeO3 180 Chemistry 754 - Solid State Chemistry 8 LaMnO3-Cooperative Jahn Teller Dist. eg t2g Mn3+ Symmetric MnO6 Mn3+ dx2-y2 dz2 t2g EF dx2-y2 (*) dz2(*) t2g(*) dx2-y2 (*) dz2(*) t2g(*) Jahn-Teller JahnDistortion DOS Orthorhombic Structure Pronounced Jahn-Teller JahnDistortion All Mn atoms equivalent Localized t2g & eg electrons...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online