Modeling surface energy in porous metallic nanostructuresJoão Paulo Almeida de Mendonça, Maxwel Gama Monteiro Junior, Sidiney de Andrade Leonel and Fernando SatoEur. Phys. J. B, 91 5 (2018) 88DOI: https://doi.org/10.1140/epjb/e2018-80655-2