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Software

The entire hardware is software controlled. Several I/V-modes and magnetic field modes are available for 2-point resistivity contact check and 4-point resistivity van der Pauw and Hall measurements.

Data acquisition is performed automatically by measuring the differential resistance of the various contact configurations.

From the I/V-curves R_H and are calculated by automatic or manual linear regression.

All data and results can be concisely printed out on one paper sheet as shown below.

(Click for a larger image)

Data and graphics can be saved in several standard formats as ASCII, DXF, EPS, HPGL, WMF, GIF, PCX and BMP.

In addition to these standard results several measurement options can be selected. E.g. two independent measurement configurations for the van der Pauw and Hall measurements are possible.

Also the Hall resistance (shown below) and the resistivity can be measured and evaluated as a function of the magnetic field.

Field dependence of the Hall resistance (Click for a larger image)

Using an optional cryo system all measurements can be performed at different temperatures, providing an evaluation of the carrier concentration as a function of temperature.

Load PDF-file for program structure and some key features.