2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/85232The inhomogeneity of the plasma pressure near a conducting electrode is a cause for introducing the surface tension associated with the plasma-electrode interface. We evaluate the dependence of the surface tension on the density of the charged dust immersed in the plasma sheath. In a wide range of parameters, the surface tension turns out to be an increasing function of the dust density.10 pages, 4 figures, RevTeX4Plasma PhysicsSpace Physicstext