Germanium carbide (GeC) is a binary ceramic compound combining germanium and carbon into a hard, rigid crystalline structure. It belongs to the family of refractory carbides and is primarily of research and developmental interest rather than established in high-volume industrial production. GeC shows promise in applications requiring extreme hardness and thermal stability, though it remains less mature than competing carbides like SiC and WC; its appeal lies in potential use where germanium's electronic or thermal properties might offer advantages over traditional carbide systems.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 24,917.5 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.1700 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 22,086.3 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2074 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 1.927 | eV | DFT · OptB88vdW | ||
| ↳ | 2.616 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 11.20 | - | DFT · OptB88vdW | ||
| ↳ | 9.640 range 8.111–11.17median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 8.216 | - | DFT · OptB88vdW | ||
| ↳ | 6.742 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.3100 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.7400 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.9677 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00219 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00277 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -164 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 250.6 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 10.37 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.4176 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | 0.4160 | 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