Before revision: While its relatively short half life and the significant gamma emissions of its daughter nuclide make usage in an RTG less attractive, Sb-125 could deliver a relatively high power density of 3.4 Wthermal/g.
After revision: (144.77 keV)While its relatively short half life and the significant gamma emissions of its daughter nuclide make usage in an RTG less attractive, Sb-125 could deliver a relatively high power density of 3.4 Wthermal/g.