Fig. 5

Surface potential evolution when the dielectric surface is uncharged, (a) Ep = 40 eV, Vi = 0 V; (b) Ep = 400 eV, Vi = 0 V; (c) Ep = 15,000 eV, Vi = 0 V.
Surface potential evolution when the dielectric surface is uncharged, (a) Ep = 40 eV, Vi = 0 V; (b) Ep = 400 eV, Vi = 0 V; (c) Ep = 15,000 eV, Vi = 0 V.