Al2CdTe4 is an intermetallic compound combining aluminum, cadmium, and tellurium, belonging to the family of ternary semiconducting or semi-metallic materials. This is a research-phase material not widely deployed in production; compounds in this chemical space are investigated for potential applications in thermoelectric energy conversion, where mismatched lattice parameters and phonon-scattering mechanisms can enhance power-generation efficiency at elevated temperatures. Engineers would consider Al2CdTe4 primarily in contexts requiring novel solid-state energy harvesting or heat-management solutions where traditional thermoelectrics fall short, though material maturity, thermal stability, and cost-effectiveness relative to established alternatives remain open research questions.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 3,717.3 | ksi | DFT | ||
| ↳ | 4,441.1 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2700 | - | DFT · OptB88vdW | ||
Shear Modulus(G)2 entries | 2,281.6 | ksi | DFT | ||
| ↳ | 2,644 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1757 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 1.669 | eV | DFT · OptB88vdW | ||
| ↳ | 2.552 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 10.89 | - | DFT · OptB88vdW | ||
| ↳ | 10.72 | - | DFT · PBE | ||
| ↳ | 9.656 range 8.475–10.84median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 8.686 | - | DFT · OptB88vdW | ||
| ↳ | 6.625 | - | DFT · TBmBJ | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | DFT · PBE | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | DFT · PBE | ||
Electron Effective Mass(m*e) | 0.2433 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 1.057 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij)2 entries | 0.4541 | C/m² | DFT · OptB88vdW | ||
| ↳ | 0.05063 | C/m² | DFT · PBE | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | DFT · PBE | ||
Thermoelectric Power Factor(PF)2 entries | 0.00175 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00225 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -132.1 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 338.2 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 11.63 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.4978 | 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