Curie-Wulff expression

The equilibrium state for various faces of crystal is determined by the condition of Ap=const., which yields the Curie-Wulff expression, stating that the ratio of the free surface energy of a particular face to its distance from the crystal center is constant for all faces in equilibrium state, i.e. ... 

In agreement with both the Curie-Wulff expression and the above equation, the faces that bear the lowest energy have the largest area, and are the closest to the crystal center (Fig. 1-15). Conversely, the faces that are further away from the center have higher surface energy and are, therefore, less developed. 

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See also in sourсe #XX -- [ ]

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