Tb
Terbium
Z = 65 · Lanthanide · 158.9 u
Nuclear Engineering Significance
Lanthanide with moderate thermal absorption (σ_a = 23.4 b). Not commonly used in reactor systems. Occasionally encountered in trace quantities in lanthanide-bearing materials and in post-irradiation fission product analysis.
Basic properties
- Atomic number (Z)
- 65
- Standard atomic mass
- 158.9 u
- Category
- Lanthanide
Isotopes & cross-section data
No nuclide data for this element in the reference database.
The NRDP database focuses on nuclides relevant to reactor physics (fuels, moderators, structural materials, fission products, etc.). For full isotope data, see NNDC NuDat 3 or IAEA Nuclear Data Services.