Contamitated tungsten

Contaminated and cleaned tungsten surface. Don by ScanT
Device: NTEGRA Aura
Image Courtesy: Dr. Yuri Bobrov

size: 2x2umx50 nm
SPM principle: Amplitude modulation AFM

5x5x0.13 um

size: 5x5x0.13 um

Cleaned Metal 20 x 20 um x 35 nm

size: 2x2 um x 50 nm

Contaminated WOxide Grain

size: 5x5 um x 50 nm

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