Christian Kameni Boumenou

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Questions related from Christian Kameni Boumenou

What is the formula for work function of a degenerated semiconductor material?

Hello everyone. For n-type non- degenerate semiconductor materials, the work function can be given by : ∅= χ+kT/e ln(Nc/n) Where ∅, χ, Nc, n, k and T are the work...

23 June 2016 6,460 2 View

Why does the KPFM technique require an external applied AC voltage between the probe and the sample for determining contact potential?

During my readings ( in many article) mainly focused in Kelvin Probe Force Microscopy(KPFM), I have remarked that the autors apply an external ac voltage for determing the contact potential...

22 April 2015 1,824 3 View