van der Pauw correction factor

The van der Pauw Method is a technique commonly used to measure the Resistivity and the Hall Coefficient of a sample. A correction factor goes into calculating the resistivity as described in van der Pauw paper. A iterative method is generally used to calculate the correction factor and this correction factor is plotted in Figure 5 of van der Pauw paper

I reproduced the same figure below using fsolve function in octave.

This figure was produced by the octave code shown below. The raw data is here.

%This octave/matlab code calculates the correction factor,f as a function of Rmnop/Rnopm. This correcton factor will be used in calculation of sheet resistance/resistivity of thin films.
% Fore more details see the paper L. J. van der Pauw, A method of measuring the resistivity and hall coefficients of Lamellae of arbitrary shape, Philips Technical Review, Vol 26, 220.
clear all
close all
x =  logspace(0,3,100);
for i=1:length(x)
F(i) = fsolve(Lp,0.5);
ylabel('Correction Factor (f)')
title('van der Pauw Correction factors for resistivity measurements');

4 thoughts on “van der Pauw correction factor

  1. May be there is a typo at “xlabel”: R_{RM,OP} instead of R_{MN,OP}.

    p.s. very useful indeed thanx for sharing

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