Abstract
The expression derived in the previous paper (1) (hereafter referred to as (1)) for the average inverse power potential energy of interaction between a particle at a fixed distance above a half-crystal face and the half-crystal is applied to a calculation of the minimum energy spacing and interfacial energy between two perfect half-crystals placed together to form a “completely misfitting” grain boundary. The grain boundary energies and spacings of various juxtiposed surfaces of face-centered cubic argon at 0°K are calculated as examples with the following results in ergs cm 2 : (100)–(110), 41.7; (100)–(111), 22.8; (111)–(111), 16.0. This method would seem to be applicable to any system obeying the specified type of potential function when there is a continuous spontaneous generation of dislocations in two dimensions at the boundary as appears to be the case for large angle twist or tilt boundaries.
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