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Article Dans Une Revue Journal of Physics: Condensed Matter Année : 2009

Orientation-dependent work function of in situ annealed strontium titanate

Résumé

We have used energy-filtered x-ray photoelectron emission microscopy (XPEEM) and synchrotron radiation to measure the grain orientation dependence of the work function of a sintered niobium-doped strontium titanate ceramic. A significant spread in work function values is found. Grain orientation and surface reducing/oxidizing conditions are the main factors in determining the work function. Energy-filtered XPEEM looks ideally suited for analysis of other technologically interesting polycrystalline samples.
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Dates et versions

hal-00705070 , version 1 (12-01-2015)

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Luiz Fernando Zagonel, M. Bäurer, Aude Bailly, Olivier Renault, M. Hoffmann, et al.. Orientation-dependent work function of in situ annealed strontium titanate. Journal of Physics: Condensed Matter, 2009, 21, pp.314013. ⟨10.1088/0953-8984/21/31/314013⟩. ⟨hal-00705070⟩
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