KAlTe2 is an intermetallic compound combining potassium, aluminum, and tellurium, representing a rare earth-adjacent metallic system with limited commercial availability. This material appears to be primarily a research compound studied for its electronic and structural properties rather than an established engineering alloy; it belongs to the family of ternary metal tellurides that have potential applications in thermoelectric and optoelectronic device development. Engineers would consider this material only in specialized advanced applications where its unique phase composition and electronic characteristics provide advantages over conventional alloys or semiconductors.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 22.93 | GPa | — | ||
Poisson's Ratio(ν) | 0.2300 | - | — | ||
Shear Modulus(G) | 15.24 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.138 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.951 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 9.950 | - | — | ||
| ↳ | 11.91 | - | — | ||
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) | -115.3 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.8798 | eV/atom | — |