Mg₂Ge is an intermetallic compound belonging to the magnesium-germanium system, classified as a semiconductor material with potential for thermoelectric and optoelectronic applications. This compound is primarily of research interest rather than established in high-volume industrial production, explored for its electronic band structure and thermal properties in emerging device architectures. Engineers consider Mg₂Ge when designing novel thermoelectric generators, solid-state cooling systems, or high-temperature semiconductor devices where the magnesium-germanium composition offers a balance between thermal conductivity and electrical properties distinct from conventional semiconductors like Si or GaAs.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 7,229 | ksi | DFT | ||
| ↳ | 7,479.6 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.1700 | - | DFT · OptB88vdW | ||
Shear Modulus(G)2 entries | 6,085.4 | ksi | DFT | ||
| ↳ | 6,393.3 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1120 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 1.670 | eV | Measured | ||
| ↳ | 0.2990 | eV | DFT · OptB88vdW | ||
| ↳ | 0.5760 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 17.14 | - | DFT · OptB88vdW | ||
| ↳ | 13.61 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.02000 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.02000 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00249 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00506 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -173.4 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 262.8 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 18.50 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.5188 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf)2 entries | 0.1721 | eV/atom | DFT · OptB88vdW | ||
| ↳ | -0.3980 | eV/atom | Measured |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data