Conductive AFM (ORCA) - Cypher

Photocurrent in a Eu-doped ZnO thin film. Doped zinc oxide films are potential photocatalytic materials, because the dopant narrows the band gap enough to allow photoexcitation by visible light. Here, CAFM was used to measure the photocurrent induced by the blueDrive laser, which was aligned just off the end of the cantilever. Current is shown on 3D topography, 5 ?m scan.

ORCA™ on Cypher AFMs provides conductive AFM imaging and I-V measurement capabilities. 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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