What is the different between the bulk carrier concentration and sheet carrier concentration in Hall measurements?
Thank you
Bulk carrier concentration is number of carriers per unit vol. where sheet carrier concentration is number of carriers per unit square [ it depends on dimensions of the sample]
Thank you so much Mofasser Mallic.
Usually Hall effect is measured on thin films when accurate
thickness is unknown. In such case the number of carriers per unit square
of the sample is determined. If the thickess of the film is known
then n_sub_s = n*h , where n_sub_s -sheet carrier concentration , n= bulk carrier concentration, h - thickess of the films.
You can find more details in:
Meas. Sci. Technol. 24 (2013) 062001
Thank you Prof. Jerzy Antoni Krupka for your clear answer and suggestion, Your work is very useful, thanks a lot.
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