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) | 5,846.5 | ksi | — | ||
Poisson's Ratio(ν) | 0.2400 | - | — | ||
Shear Modulus(G) | 3,714.4 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1553 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 4.300 | eV | — | ||
| ↳ | 1.656 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 12.96 | - | — | ||
| ↳ | 12.27 | - | — | ||
| ↳ | 9.671 range 6.875–12.47median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -187.9 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.05120 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.732 | eV/atom | — |