In this work we compare simulations of SCM measurements on bevelled and micro-sectioned samples for investigating the impact of the carrier spilling effect. Simulation results are validated by experimental data obtained from dedicated samples calibrated by spreading resistance profiling. We show tha
High-resolution scanning capacitance microscopy by angle bevelling
β Scribed by Filippo Giannazzo; Vito Raineri; Vittorio Privitera; Francesco Priolo
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 141 KB
- Volume
- 4
- Category
- Article
- ISSN
- 1369-8001
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β¦ Synopsis
Scanning capacitance microscopy was performed on bevelled samples to improve the resolution. The dependence of the reverse junction carrier spilling on the bevel angle has been investigated for P and B ion-implanted Si samples. We show an increase of this effect decreasing the bevel angle from 5844 0 to 189 0 . Moreover, the depletion region amplitude measured on the bevelled surface is narrower than on the cross section. We have also studied the spilling dependence on the dopant profile shape and we have found that it increases with the profile slope decreasing in the low concentration region near the junction.
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