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The solid solution of β-Pb1−xBixO2 for 0≤x≤0.4 has been prepared electrochemically. The electrical conductivity of β-PbO2 is semi-metallic with room temperature resistivity of about 3×10−3Ωcm; but the Bi-doped samples are more resistive and the resistivity follows a power-law behaviour. Despite the similarity of electronic structure between β-PbO2 and BaPbO3, the charge carriers introduced by Bi are...