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Pb oxide insulating layers on Pb films have been produced using a dc oxygen glow discharge. Resistances from 105 to 108 Ω and capacitances of 15 nF are measured on 1-mm2 Pb/Pb oxide/Sn diodes. The insulating properties of these Pb oxide layers are discussed in terms of the dielectric properties of bulk PbO.
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I. L. Singer (1975) studied this question.
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