NbCoSb
metal· NbCoSb
NbCoSb is an intermetallic compound combining niobium, cobalt, and antimony, belonging to the half-Heusler alloy family. This is primarily a research material investigated for thermoelectric and high-temperature structural applications due to its favorable mechanical stiffness and thermal properties. While not yet widely deployed in production, half-Heusler compounds like NbCoSb are of interest to materials scientists for next-generation energy conversion and aerospace applications where conventional alloys reach their limits.
thermoelectric energy conversionhigh-temperature structural componentsheat-to-electricity devicesaerospace research materialssolid-state cooling systemsmaterials research (experimental)
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 22,617.1 | ksi | — | ||
| ↳ | 22,617.1 | ksi | — | ||
| ↳ | 22,582.4 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.2715 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν)2 entries | 0.3349 | - | — | ||
| ↳ | 0.3400 | - | — | ||
Shear Modulus(G)3 entries | 8,394.7 | ksi | — | ||
| ↳ | 8,394.7 | ksi | — | ||
| ↳ | 8,084.4 | ksi | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.3053 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -24.28 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.03230 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.1925 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.