Dysprosium oxide (Dy₂O₃) is a rare-earth ceramic compound belonging to the lanthanide oxide family, characterized by high melting point and chemical stability. It is primarily used in specialized applications requiring neutron absorption, high-temperature refractories, and optical materials, with particular importance in nuclear reactor control systems where its strong neutron-absorbing properties make it valuable for safety and reactivity management. Engineers select Dy₂O₃ over alternative rare-earth oxides when thermal stability combined with nuclear shielding capability is critical, though its scarcity and cost typically limit use to applications where performance requirements justify the investment.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 22,817.6 | ksi | — | ||
Shear Modulus(G) | 10,154.5 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.277 | eV | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -3.795 | eV/atom | — |