HfGeSe is a ternary ceramic compound combining hafnium, germanium, and selenium, belonging to the class of chalcogenide ceramics. This material is primarily investigated in materials research for semiconducting and thermoelectric applications, where the combination of these elements offers tunable band gap and phonon-scattering properties. Engineers consider HfGeSe when designing high-temperature thermoelectric devices, radiation-resistant components, or next-generation semiconductors where the unique electronic structure of multi-element chalcogenides provides advantages in efficiency or thermal stability compared to binary compounds.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 16,221.5 | ksi | DFT | ||
| ↳ | 16,334.2 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2400 | - | DFT · OptB88vdW | ||
Shear Modulus(G)2 entries | 10,711.8 | ksi | DFT | ||
| ↳ | 10,632.7 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.3466 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.000 | eV | DFT · OptB88vdW | ||
| ↳ | 0.000 | eV | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000544 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00326 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -9.587 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 26.11 | 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) | -0.9589 | 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