Chemical structure of grain-boundary layer in SrTiO3 and its segregation-induced transition: A continuum interface approach
Gu Hui
       

(color online) ELNES of O–K edges from Σ5 (310)/[001] GBs in SrTiO3 bicrystals, doped with different amounts of Fe2O3 dopant. Two GBs from the bicrystal with 0.5 wt% of dopant are present, and the one corresponding to Fig. 4(b) is marked with symbol *, together with ELNES of SrTiO3 and rutile TiO2.