Ba4HfCl
ceramic· JVASP-64241· Ba4HfCl
Ba₄HfCl is an exotic halide ceramic compound combining barium, hafnium, and chlorine—a rare material family with limited commercial history. This compound belongs to the perovskite-related halide ceramic class and appears primarily in research contexts exploring advanced ionic conductors, solid-state electrolytes, or specialized optical/thermal applications where hafnium's refractory properties and chloride's ionic character are leveraged. Its practical adoption remains experimental; engineers would consider it only for niche applications requiring hafnium-based ceramics where chloride-containing phases offer specific electrochemical, thermal, or structural advantages over conventional alternatives.
solid-state electrolytes (research)ionic conductorsrefractory ceramicshafnium-based compoundsadvanced materials researchthermal/chemical barrier coatings (experimental)
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | ksi | — | — | |
Poisson's Ratio(ν) | — | - | — | — | |
Shear Modulus(G) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | lb/in³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
Formation Energy(ΔHf) | — | eV/atom | — | — |
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.