Formation Mechanism Of Negative Fixed Charge In Glass At Lead Glass/Silicon Interface

Abstract

AbstractThe physical origins of negative fixed charges at the lead glass/silicon interface have been studied. It was found that a thin p-type region is present on the n-type substrate in the PbO-SiO2-Al2O3 glass/silicon system from the punch-through voltage, pinch-off voltage, and SIMS analysis. A new model of the negative fixed charge was proposed from the MIS structure with the surface pn junction.