Surface spectroscopy studies of the SrTiO/sub 3/ (100) surface and the platinum-SrTiO/sub 3/ (100) interface
Journal Article
·
· Phys. Rev., B: Condens. Matter; (United States)
Auger-electron spectroscopy (AES), low-energy-electron diffraction (LEED), electron-energy-loss spectroscopy (ELS), and ultraviolet-photoelectron spectroscopy (UPS) were used to characterize the composition, structure, and electronic properties of the strontium-titanate (100) surface and the platinum--strontium-titanate interface. The strontium 65-eV Auger signal on the clean strontium-titanate surface decreases abruptly as the temperature is raised beyond 240 /sup 0/C. Partial ordering occurs when platinum is deposited on the strontium-titanate (100) surface as evidenced by LEED. Platinum appears to remove surface Ti/sup 3 +/ by electron transfer from SrTiO/sub 3/ to platinum. These results are discussed in light of the findings in photoelectrolysis and other photocatalytic studies using SrTiO/sub 3/.
- Research Organization:
- Department of Materials Science and Engineering and Materials Research Center, Northwestern University, Evanston, Illinois 60201
- OSTI ID:
- 5893267
- Journal Information:
- Phys. Rev., B: Condens. Matter; (United States), Journal Name: Phys. Rev., B: Condens. Matter; (United States) Vol. 20:8; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
ALKALINE EARTH METAL COMPOUNDS
AUGER ELECTRON SPECTROSCOPY
COHERENT SCATTERING
DIFFRACTION
ELECTROMAGNETIC RADIATION
ELECTRON DIFFRACTION
ELECTRON SPECTROSCOPY
ELECTRONIC STRUCTURE
ELEMENTS
HIGH TEMPERATURE
INTERFACES
MEDIUM TEMPERATURE
METALS
OXYGEN COMPOUNDS
PHOTOELECTRON SPECTROSCOPY
PLATINUM
PLATINUM METALS
RADIATIONS
SCATTERING
SPECTROSCOPY
STRONTIUM COMPOUNDS
STRONTIUM TITANATES
SURFACE PROPERTIES
TEMPERATURE DEPENDENCE
TITANATES
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
ULTRAVIOLET RADIATION
360603* -- Materials-- Properties
ALKALINE EARTH METAL COMPOUNDS
AUGER ELECTRON SPECTROSCOPY
COHERENT SCATTERING
DIFFRACTION
ELECTROMAGNETIC RADIATION
ELECTRON DIFFRACTION
ELECTRON SPECTROSCOPY
ELECTRONIC STRUCTURE
ELEMENTS
HIGH TEMPERATURE
INTERFACES
MEDIUM TEMPERATURE
METALS
OXYGEN COMPOUNDS
PHOTOELECTRON SPECTROSCOPY
PLATINUM
PLATINUM METALS
RADIATIONS
SCATTERING
SPECTROSCOPY
STRONTIUM COMPOUNDS
STRONTIUM TITANATES
SURFACE PROPERTIES
TEMPERATURE DEPENDENCE
TITANATES
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
ULTRAVIOLET RADIATION