Question: Consider pure PbO with anion-Frenkel compensation and dominant ionic defects. What are the slopes of the essentially linear dependences in the three limiting regions of

Consider pure PbO with anion-Frenkel compensation and dominant ionic defects. What are the slopes of the essentially linear dependences in the three limiting regions of the plot of defect fractions versus pO2? Sketch the Brouwer diagram.

Brouwer diagram

VNI h ionic defects dominate reduction [v]= [VNi stoichiometric range oxidation h Ni electronic defects

VNI h ionic defects dominate reduction [v]= [VNI stoichiometric range oxidation h Ni electronic defects dominate reduction [e] = [h*] stoichiometric range h oxidation

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