Calcium hafnium nitride (CaHfN₂) is an advanced ceramic compound combining alkaline-earth and refractory metal nitride chemistry, representative of ternary nitride ceramics being investigated for high-temperature and extreme-environment applications. This material remains largely in the research phase but belongs to a family of hard ceramics explored for wear resistance, thermal stability, and potential semiconductor applications where hafnium's refractory properties and nitrogen bonding create exceptional thermal and chemical durability.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2834 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.6280 | eV | DFT · OptB88vdW | ||
Dielectric Constant (Relative Permittivity)(εr) | 81.78 | - | DFT · OptB88vdW | ||
Electron Effective Mass(m*e) | 0.3267 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.6100 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00274 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00158 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -180 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 193.1 | 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) | -1.839 | 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