Atomic and electronic surface structures of dopants in oxides: STM and XPS of Nb- and La-doped SrTiO3(001)

High resolution X-ray photoelectron spectroscopy (XPS) was performed on the (001) surfaces of Nb-doped and La-doped single crystals of SrTiO3. For the Nb-doped samples the XPS results demonstrate that the fraction of Ti3⊃+ ions increases with increasing Nb dopant concentration. The Nb dopants are sh...

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Detalles Bibliográficos
Main Authors: Marshall, M, Newell, D, Payne, D, Egdell, R, Castell, M
Formato: Journal article
Idioma:English
Publicado: 2011