Abstract
The anomalous electron emission (AEE) from the negative surface of a polarized SrTiO3 ceramic sample is studied both experimentally and theoretically. The form of the low-energy edge and the fine structure of AEE spectra are interpreted within the “brick wall” model. The distribution of electric potential over the charged surface is calculated using Green’s functions under the assumption of p-type conduction of intergrain boundaries. It is demonstrated that the AEE spectra of SrTiO3 ceramic surface mainly reflect the charge distribution in the polarized electret SrTiO3 sample.
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