NpAsS is a ceramic compound combining neptunium, arsenic, and sulfur—a rare ternary system primarily of academic and nuclear materials research interest rather than commercial production. This material belongs to the family of actinide chalcogenides and pnictides, which are studied for their unique electronic and thermal properties in extreme environments. Industrial applications are limited; this compound is relevant primarily to nuclear fuel development, advanced materials science, and fundamental research into actinide chemistry, where its structural and mechanical behavior at high temperatures or radiation exposure may offer insights for next-generation nuclear fuel forms or specialized shielding applications.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 11,971.4 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2100 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 8,703.7 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.3365 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 7.417 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000336 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000344 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -25.67 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | -26.01 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.309 | 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