Li2CaHfF8
ceramicLi2CaHfF8 is a lithium-calcium hafnium fluoride ceramic compound, belonging to the family of mixed-metal fluorides with potential applications in ionic conductivity and solid-state electrolyte research. This is an emerging research material rather than an established commercial ceramic; compounds in this structural family are investigated for superionic conductivity and as alternatives to oxide-based ceramics in specialized electrochemical and optical applications. Engineers and researchers would evaluate this material primarily for advanced energy storage systems, fluoride-based solid electrolytes, or optical/thermal applications where the combination of light alkali metals (lithium, calcium) with refractory hafnium provides unique functional properties.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 81.76 | GPa | — | ||
Poisson's Ratio(ν) | 0.3200 | - | — | ||
Shear Modulus(G) | 34.61 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.643 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 7.077 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 7.572 | - | — | ||
| ↳ | 5.269 range 2.331–8.207median of 2 measurements | - | — | ||
Piezoelectric Modulus(eij)2 entries | 0.03614 | C/m² | — | ||
| ↳ | 0.01197 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -3.796 | eV/atom | — |