SmPaO4 is a rare-earth orthophosphate ceramic compound containing samarium and phosphorus. This material belongs to the monazite-type phosphate family, which is primarily investigated for high-temperature applications, nuclear waste immobilization, and as a host matrix for actinides in advanced fuel cycles. SmPaO4 is largely a research-phase material rather than a commercial commodity, valued in the nuclear materials and materials science communities for its chemical durability, thermal stability, and potential use in long-term radioactive waste storage where resistance to leaching and radiation damage are critical.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.3307 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.691 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 5.694 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -3.966 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data