MgB₂C₂ is an advanced ceramic compound combining magnesium diboride with carbon, belonging to the family of borocarbide ceramics. This material is primarily investigated in research and development contexts for applications requiring exceptional hardness and thermal stability, with potential use in extreme environments where conventional ceramics reach their limits. Its notable advantages over traditional boron carbide and silicon carbide ceramics include improved thermal shock resistance and tailored mechanical properties through carbon integration, making it a candidate for next-generation high-temperature and abrasive applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 167.0 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.1700 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 148.5 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.510 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.218 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 9.409 | - | DFT · OptB88vdW | ||
Electron Effective Mass(m*e) | 0.9000 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 1.973 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00285 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00443 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -277.6 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 355.9 | 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) | -0.2349 | 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