Calculates the surface concentration in the Miedema model of mixing enthalpy. See equation 2 of: http://dx.doi.org/10.1016/j.cpc.2016.08.013

Parameters:¶

elements: list[str]¶

The elements being used to calculate the surface concentration.

volumes: list[Number]¶

The atomic volumes of the elements.

composition: dict¶

Dictionary containing the percentage of each element in the surface composition.