KFM Observation of Electron Charging and Discharging in Phosphorus-Doped SOI Channel

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Abstract:

Low temperature Kelvin Probe Force Microscopy (LT-KFM) can be used to monitor the electronic potential of individual dopants under an electric field. This capability is demonstrated for silicon-on-insulator field-effect-transistors (SOI-FETs) with a phosphorus-doped channel. We show results of the detection of individual dopants in Si by LT-KFM. Furthermore, we also observe single-electron charging in individual dopants located in the Si channel region.

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33-38

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February 2011

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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