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Fig. 2 | Nanoscale Research Letters

Fig. 2

From: Droplet Epitaxy Image Contrast in Mirror Electron Microscopy

Fig. 2

Equipotential surfaces. The equipotential surfaces of the electric potential (grey lines) above a surface that is rotationally symmetric about the \( x=0 \) axis, with a cross section in the \( x\hbox{--} z \) plane shown. The surface and cathode are kept at a potential of \( V=-20,000.4 \) V, and the red region corresponds to the remnant liquid Ga droplet which has a work function of \( -0.3 \)V compared to the rest of the surface. The first equipotential line above the surface is at \( -19,999.9 \) V, and the subsequent lines are +1.5 V apart (e.g. the second is at \( -19,998.4 \)V)

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