KCaBr₃ is a halide perovskite ceramic compound combining potassium, calcium, and bromine in a crystalline structure. This material belongs to the broader class of halide perovskites, which are primarily of research and developmental interest rather than established industrial use. Halide perovskites are investigated for optoelectronic applications—particularly photovoltaics, scintillators, and radiation detectors—due to their tunable bandgap and efficient light-matter interactions, though stability and toxicity concerns (in lead-based variants) continue to drive exploration of alternative compositions like this calcium-based formulation.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 23.46 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3000 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 11.53 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.344 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.670 | eV | DFT · OptB88vdW | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 59.06 | - | DFT · OptB88vdW | ||
| ↳ | 5.157 range 3.151–7.163median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 3.359 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.00675 | C/m² | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01420 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -2.073 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data