What is it about?
In this paper, we show that policristaline strontium titanate has different amount of strontium, titanium and oxygen depending on the surface that is exposed. That means, as expected, that different surface terminations are formed as function of the orientation of the exposed surface. All data was acquired in UHV using an XPS microscope.
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Why is it important?
This shows that for ternary materials, like SrTiO3, different surfaces are formed upon annealing and therefore different compositions are observed on the surface with different properties.
Perspectives
This work was the result of a good collaboration between my research group and other and summed up to be a nice contribution to the field.
Dr Luiz Fernando Zagonel
unicamp
Read the Original
This page is a summary of: Orientation-dependent surface composition ofin situ annealed strontium titanate, Surface and Interface Analysis, December 2008, Wiley,
DOI: 10.1002/sia.2886.
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