Calcium telluride (CaTe) is an inorganic ceramic compound combining alkaline earth and chalcogen elements, typically studied as a wide-bandgap semiconductor material. This compound exists primarily in the research and development phase rather than established industrial production, with potential applications in optoelectronics, radiation detection, and solid-state physics where its electronic and thermal properties could be leveraged. Interest in CaTe stems from its position within the II-VI semiconductor family, where similar compounds have demonstrated utility in specialized photonic and detecting applications, though CaTe itself remains less commercially mature than alternatives like CdTe or ZnTe.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 40.31 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2400 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 25.61 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.299 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 4.300 | eV | Measured | ||
| ↳ | 1.557 | eV | DFT · OptB88vdW | ||
| ↳ | 1.963 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 12.27 | - | DFT · OptB88vdW | ||
| ↳ | 12.96 | - | DFT · PBE | ||
| ↳ | 9.671 range 6.875–12.47median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 7.113 | - | DFT · OptB88vdW | ||
| ↳ | 6.194 | - | DFT · TBmBJ | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | DFT · PBE | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | DFT · PBE | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | DFT · OptB88vdW | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 23.76 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.05120 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.732 | 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