HfSO is a hafnium-based ceramic compound combining hafnium with sulfur and oxygen, belonging to the family of refractory oxysulfides and mixed-anion ceramics. This material is primarily of research and developmental interest rather than established in high-volume production, with potential applications in high-temperature structural components, thermal barrier coatings, and extreme environment engineering where traditional oxides may be limited. The combination of hafnium's inherent refractory properties with sulfur incorporation offers potential for tailored mechanical and thermal performance in aerospace, nuclear, and next-generation energy systems.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 19,876.3 | ksi | — | ||
| ↳ | 21,533.8 | ksi | — | ||
Poisson's Ratio(ν) | 0.3200 | - | — | ||
Shear Modulus(G)2 entries | 8,296.8 | ksi | — | ||
| ↳ | 8,969.1 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2961 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.870 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 15.88 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.3548 | C/m² | — | ||
| ↳ | 0.2276 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -324 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.771 | eV/atom | — |