Image Credit: Quantum Design, Inc. The M91 instrument supports both van der Pauw (four connections) and Hall bar (six connections) geometries, and samples can be accommodated by wiring to the ...

Measure resistances of 10 μΩ – 10 MΩ in a standard 4-probe configuration Resistances of 2 MΩ – With the high-impedance 2-probe setup, 5 GΩ can be measured Ohmic contact screening can be done with ...