Field-effect evaporation
Atom probe tomography APT
Article REF: P900 V2
Field-effect evaporation
Atom probe tomography APT

Authors : Didier BLAVETTE, François VURPILLOT, Bernard DECONIHOUT

Publication date: December 10, 2013 | Lire en français

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1. Field-effect evaporation

The principle of the tomographic atom probe is based on the ionization and field evaporation of atoms on the surface of a material.

The sample, cut in the form of a fine tip, is raised to a high positive potential V of several kilovolts (figure

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