Abstract
Low-frequency noise measurements in depletion-mode SIMOX MOSFETs are reported. A simple model provides a reliable interpretation of the low-frequency noise in multi-interface depletion-mode transistors. An experimental procedure to separate noise contributions of front and back interfaces from noise due to bulk carrier fluctuations is described. The noises generated in the thin Si film and at the two Si-SiO/sub 2/ interfaces can be identified and characterized independently in terms of bulk properties and interface trap densities. Single-level traps at the back interface and defects in the volume are detected in high-temperature annealed materials.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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