Tantalum tetrachloride (TaCl4) is a transition metal halide ceramic compound derived from tantalum, a refractory metal known for exceptional corrosion resistance and high-temperature stability. While primarily used as a precursor chemical in vapor deposition processes and tantalum metal production rather than as an end-use engineering material, TaCl4 is valued in thin-film applications and specialized coating industries where its reactivity enables precise material synthesis at controlled conditions. The compound's appeal lies in its role as an intermediate in creating high-purity tantalum deposits for microelectronics, optical coatings, and extreme-environment components where the parent metal's properties are critical.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 22.59 | GPa | — | ||
Poisson's Ratio(ν) | 0.2700 | - | — | ||
Shear Modulus(G) | 12.97 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.377 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.101 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 11.21 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -316.9 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -1.461 | eV/atom | — | ||
| ↳ | -1.352 | eV/atom | — |