Ca₄P₂O is an unusual calcium phosphate ceramic compound that belongs to the phosphate ceramic family, though its precise stoichiometry and phase stability are not well-established in mainstream engineering literature, suggesting it may be a research-phase or non-standard composition. This material falls within the broader class of calcium phosphates, which are of significant interest in biomedical applications due to their biocompatibility and chemical similarity to natural bone mineral; however, the specific properties and performance of this particular phase would require verification against established literature or experimental data before engineering adoption. Engineers considering calcium phosphate ceramics typically evaluate them for applications where bioactivity and tissue integration are priorities, though more common phases like hydroxyapatite, tricalcium phosphate, or biphasic mixtures are more widely characterized and specified.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 9,562.3 | ksi | — | ||
Poisson's Ratio(ν) | 0.2100 | - | — | ||
Shear Modulus(G) | 6,848.7 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.09436 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.269 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 31.26 | - | — | ||
| ↳ | 30.04 | - | — | ||
| ↳ | 18.83 range 7.907–29.74median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -115 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.878 | eV/atom | — |