CoSb2 is a cobalt antimonide intermetallic compound belonging to the skutterudite family of semiconductors, characterized by a cage-like crystal structure that gives it exceptional thermoelectric properties. While primarily investigated as a research material for advanced thermoelectric applications, CoSb2 and related skutterudites are being developed for solid-state power generation and cooling in automotive, aerospace, and industrial waste-heat recovery systems where conventional semiconductors cannot match the combination of electrical conductivity and thermal isolation. Engineers select this material class for extreme-temperature environments and high-efficiency energy conversion where the cage structure effectively scatters phonons while maintaining electron mobility—a critical advantage over conventional semiconductors in harsh operating conditions.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 99.47 | GPa | — | ||
| ↳ | 99.47 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.8631 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν) | 0.2331 | - | — | ||
Shear Modulus(G)2 entries | 64.58 | GPa | — | ||
| ↳ | 64.58 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 8.095 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 0.2000 | eV | — | ||
| ↳ | 0.1700 | eV | — | ||
| ↳ | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00740 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.1452 | eV/atom | — |