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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
HRTEM images of (a) Pt:SnO2 prepared by chemical doping with urea as precipitation agent, (b) Reconstructed HRTEM image after masking of (a), (c) Pd:SnO2 prepared by chemical doping with urea as precipitation agent and (d) Reconstructed HRTEM image after masking of (b).