HfAu is an intermetallic compound combining hafnium and gold, belonging to the refractory metal alloy family. This material is primarily of research and specialized industrial interest, valued for applications requiring excellent high-temperature stability, corrosion resistance, and the unique properties that arise from hafnium's refractory characteristics combined with gold's nobility. While not widely used in commodity applications, HfAu and similar hafnium-based intermetallics are explored in aerospace, electronics, and advanced catalysis where extreme thermal environments or chemical inertness justify the material cost.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 21,175.5 | ksi | — | ||
Poisson's Ratio(ν) | 0.3100 | - | — | ||
Shear Modulus(G) | 9,705.9 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.5798 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 8.690 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.5911 | eV/atom | — | ||
| ↳ | -0.5768 | eV/atom | — |