Abstract
The surface energies of cubic LaMnO3 (001), (011), and (111) surfaces are computed as a function of surface model thickness using both asymmetric and symmetric surface models. A new procedure is used to avoid the divergence of the surface energy with increasing model thickness. In the literature, certain relaxed surface energies have been reported for the (001) surface that are significantly different and for the (011) surface that are significantly different. Using the results of this work, these different surface energies for the (001) and (011) surfaces can be explained.
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