Analysis of Data Obtained Using the Thermal-Step Method on a MOS Structure—An
2010
The thermal-step method (TSM) is a nondestructive technique for measuring electric charge, based on the acquisition of a capacitive current appearing when a thermal step of low amplitude is applied to an insulating structure. The electrosta- tic modeling of a metal-oxide-semiconductor (MOS) structure while crossed by a thermal wave is addressed in this paper, in view of analyzing the data obtained by TSM in conjunction with capacitance-voltage measurements. Applications to MOS samples with 120-nm-thick oxides are presented. Index Terms—Electric charge, metal-oxide-semiconductor (MOS), oxide, reliability, space charge, thermal-step method (TSM).
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