9 1
Cu E 0 = 20 keV5%10%25%0.0 nm206.3 nm412.6 nm618.9 nm825.2 nm-300.4 nm 0.0 nm 300.4 nm5.0%
10.0%
50.0%
90.0%25.0%
75.0%-600.9 nm 600.9 nm50%75%90%90%
75%
50%
25%
10%
200 nm
ab. Fig. 1.7 a Isocontours of
energy loss showing fraction
remaining; Cu, 20 keV, 0° tilt;
50,000 trajectories (CASINO Monte
Carlo simulation). b Expanded
view of high density region of 1.7a
1.4 · Simulating the Effects of Elastic Scattering: Monte Carlo Calculations