Question: 1. Using the method we discussed in class, estimate the surface energies of the {100) and {110) families of planes for a body- centered cubic,

1. Using the method we discussed in class, estimate the surface energies of the {100) and {110) families of planes for a body- centered cubic, elemental metal in terms of the metal's enthalpy of sublimation and its lattice parameter. Using your answers, calculate the values of Osv(100) and (svx110), for bcc Lithium (Li). For Li, [Hm= 3,000 J/mol, [Hvap = 147,000 J/mol and a = 0.351 nm. (NOTE: Unlike the case for foc, z is not equal to 12 for bcc.)

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