Y
Yttrium
Z = 39 · Transition Metal · 88.9 u
Nuclear Engineering Significance
Daughter product of Sr-90 (Y-90, t₁/₂ = 64 h). Yttrium oxide (Y₂O₃) is used as a dispersoid in oxide-dispersion-strengthened (ODS) steels being developed for advanced reactor and fusion applications. Not otherwise common in reactor cores.
Basic properties
- Atomic number (Z)
- 39
- Standard atomic mass
- 88.9 u
- Category
- Transition Metal
Isotopes & cross-section data
No nuclide data for this element in the reference database.
The NRDP database focuses on nuclides relevant to reactor physics. For full isotope data, see NNDC NuDat 3.