• Three-dimensional Electric Charges/Fields/Potentials

Figure 1 Three-dimensional electric field/potential: Central slice of a carbo fiber tip, biased at +40 V 

https://pubs.acs.org/doi/10.1021/acs.nanolett.2c03879

• Mean Inner Potential

Figure 2: Mean inner potential and artificial charges in a oxidized tungsten tip

https://linkinghub.elsevier.com/retrieve/pii/S0368204818302032

• Specimen-induced Charging

Figure 3: Electric potential of a MgO nanocube sitting on a tungsten tip

https://pubs.acs.org/doi/10.1021/acs.nanolett.2c01510

Figure 4: Electric potential of an Al₂O₃ tip on a conductive base

https://doi.org/10.1016/j.ultramic.2022.113593

• Field Emission

Figure 5: Charge density along a one-dimensional field-emitting W₅O₁₄

https://pubs.rsc.org/en/content/articlelanding/2020/nr/d0nr00739k