Conductive AFM (ORCA)

CAFM image of Europium-doped ZnO sample, 2 µm scan. Sample courtesy of the Krishnan Lab, Univ. of Washington.

The ORCA™ Conductive AFM probe holder provides conductive AFM imaging and I-V measurement capabilities for all MFP-3D AFMs. The standard module is capable of measuring currents from ~1 pA to 20 nA. Other current ranges and Dual Gain versions are available

Powerful current sensing technique for electrical characterization of conductivity variations in resistive samples
Standard ORCA module is capable of measuring currents from ~1 pA to 20 nA.
Dual Gain ORCA uses two separate amplifiers for an even wider current range, from ~1 pA to 10 µA

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