// Chapter 5 Example 6 //============================================================================== clc; clear; // input data // Aluminium is FCC a = 0.405*10^-9; // lattice constant of aluminium t = 0.005*10^-2; // thickness of aluminium foil in m s = 25*10^-2; // side of square in m //Calculations VUC = a^3; // volume of unit cell Val = (s^2)*t // volume of aluminium foil (area*thickness) N = Val/VUC // Number if unit cells //Output mprintf('Number of unit cells = %3.3e',N); //==============================================================================