X-ray surface diffraction analysis of structural transformations on the (001) surface of oxidized SrTiO{sub 3}.
Journal Article
·
· Surf. Sci. Lett.
Surface X-ray scattering was used to study structural modifications on the (0 0 1) surface of oxidized SrTiO{sub 3}. Grazing incidence in-plane X-ray diffraction revealed a sequence of quasi-powder diffraction peaks originating from crystallites with nearly random in-plane orientation. This diffraction pattern is associated with micro-crystallites of irregular shape observed by atomic force microscopy on the surface after annealing in oxygen. Analysis based on available powder diffraction data identified these crystallites as monoclinic TiO. Different oxygen annealing treatments led to dramatic changes in the specular (0 0 1) crystal truncation rods indicating significant structural modifications in the underlying single crystal SrTiO{sub 3} surfce layer.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- SC; NSF
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 961079
- Report Number(s):
- ANL/MSD/JA-44426
- Journal Information:
- Surf. Sci. Lett., Journal Name: Surf. Sci. Lett. Journal Issue: 1-2 ; Oct. 10, 2001 Vol. 492
- Country of Publication:
- United States
- Language:
- ENGLISH
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