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arXiv · 1210.3086

Orientation dependent work function of in situ annealed strontium titanate

L F Zagonel·M Bäurer·A Bailly·O Renault·M Hoffmann·S-J Shih·D Cockayne·N Barrett
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Abstract

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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L F Zagonel, M Bäurer, A Bailly, O Renault, M Hoffmann, S-J Shih, D Cockayne, N Barrett. 2012-10-10. Orientation dependent work function of in situ annealed strontium titanate. https://doi.org/10.1088/0953-8984%2F21%2F31%2F314013

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