HfI4
ceramic· HfI4
Hafnium iodide (HfI₄) is an inorganic ceramic compound composed of hafnium and iodine, belonging to the halide ceramics family. This material is primarily of research and specialized laboratory interest rather than mainstream industrial production, with applications in nuclear fuel chemistry, specialized optical coatings, and high-temperature chemical synthesis where hafnium's refractory properties and iodine's reactivity are leveraged. Engineers considering HfI₄ would typically be working in advanced nuclear fuel development, materials research, or specialized chemical processing environments where extreme thermal stability and hafnium's neutron absorption characteristics are critical design drivers.
nuclear fuel researchhigh-temperature ceramicshalide synthesismaterials characterizationchemical vapor deposition precursorrefractory applications
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.624 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.052 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -301.5 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -1.023 | eV/atom | — | ||
| ↳ | -0.9153 | eV/atom | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.