CdGa₂Te₄ is a ternary II-VI semiconductor ceramic compound combining cadmium, gallium, and tellurium in a tetrahedral crystal structure. This material is primarily of research and specialized optoelectronic interest rather than high-volume industrial production, investigated for infrared detection, nonlinear optical applications, and wide-bandgap semiconductor devices where its lattice properties enable tunable performance between binary CdTe and GaTe systems. Engineers consider CdGa₂Te₄ when designing infrared sensors, parametric amplifiers, or radiation-hard detectors in environments where the specific band structure and thermal stability of mixed II-VI compounds offer advantages over single-component alternatives or III-V semiconductors.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 29.84 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2700 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 17.85 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.505 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.9700 | eV | DFT · OptB88vdW | ||
| ↳ | 1.877 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 14.10 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 11.64 | - | DFT · OptB88vdW | ||
| ↳ | 8.203 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.1233 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.6700 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.5055 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00210 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00218 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -153.5 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 264.7 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 25.64 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.3564 | 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