CaMg₂As₂ is an intermetallic ceramic compound belonging to the ternary calcium-magnesium-arsenic system, representing a research-phase material with potential semiconductor or electronic device applications. This compound has received limited industrial deployment but is of interest in materials research for optoelectronic and thermoelectric studies, where the combination of constituent elements offers possible band-gap engineering opportunities. Engineers considering this material should note it remains primarily in experimental development; its viability depends on specific performance requirements in niche electronic or photonic applications where conventional semiconductors are insufficient.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 7,762.4 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2100 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 5,617.3 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1227 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 1.374 | eV | DFT · OptB88vdW | ||
| ↳ | 1.807 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 17.62 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 9.311 | - | DFT · OptB88vdW | ||
| ↳ | 7.678 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.9100 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.7333 | 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 | 0.00406 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00145 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -258.1 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 201.2 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 27.26 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.043 | 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