Hall Effect Measurement System
The determination of the electrical properties (resistivity, carrier concentration and mobility) of various materials and layers employs the van der Pauw and Hall methods.
Using a square shaped sample with small contacts at the corners, the resistivity <!IMG align=bottom border=0 src="images/f_rho.gif" alt="images/f_rho.gif"> is given by
the Hall coefficient RH is defined by
Carrier concentration, mobility and the carrier type are now obtained using
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