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 Dsv:110), for bec Lithium (Li). For Li, [Hm = 3,000 J/mol, OHvap = 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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