K2AgAs is an intermetallic compound combining potassium, silver, and arsenic in a defined stoichiometric ratio. This is a specialized research material rather than a commodity engineering material, studied primarily for its electrical and thermal properties in solid-state physics and materials chemistry contexts. The compound belongs to the family of ternary metal arsenides, which are of interest in semiconductor physics, thermoelectric device development, and fundamental studies of electronic structure in multi-element systems.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 3,491.1 | ksi | — | ||
Poisson's Ratio(ν) | 0.2800 | - | — | ||
Shear Modulus(G) | 1,978.3 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1328 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.287 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 12.68 | - | — | ||
| ↳ | 13.47 | - | — | ||
| ↳ | 9.519 range 7.119–11.92median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000150 | C/m² | — | ||
Seebeck Coefficient(S) | -158.9 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01350 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4762 | eV/atom | — |