SnTe is a narrow-bandgap semiconductor compound formed from tin and tellurium, belonging to the IV-VI semiconductor family with a rock-salt crystal structure. It is investigated primarily for thermoelectric energy conversion applications, where its ability to convert heat gradients into electrical current makes it valuable for waste heat recovery in industrial processes and automotive exhaust systems. SnTe is also of significant research interest as a topological crystalline insulator—a quantum material state with protected surface conduction—making it relevant to emerging quantum electronics and spintronics research, though most applications remain in the development or prototype stage rather than mainstream commercial production.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 39.55 | GPa | — | ||
| ↳ | 39.55 | GPa | — | ||
| ↳ | 42.10 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 1.929 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.2170 | - | — | ||
| ↳ | 0.2300 | - | — | ||
Shear Modulus(G)3 entries | 27.59 | GPa | — | ||
| ↳ | 27.59 | GPa | — | ||
| ↳ | 32.94 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.207 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.3000 | eV | — | ||
| ↳ | 0.1850 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 17.21 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 1.050 | C/m² | — | ||
Seebeck Coefficient(S) | -113.1 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01080 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.3146 | eV/atom | — | ||
| ↳ | -0.3150 | eV/atom | — |