Rubidium chloride (RbCl) is an ionic halide ceramic compound belonging to the alkali halide family, characterized by a simple rock-salt crystal structure. It is primarily used in specialized optical, scientific, and electrochemical applications where its transparency to infrared radiation and ionic conductivity are advantageous. RbCl is notable for applications requiring high-temperature stability and chemical inertness, though it is less common in mainstream engineering than other alkali halides like NaCl or KCl due to rubidium's scarcity and cost; the material finds use mainly in research, infrared optics, and niche industrial processes.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 2,120.9 | ksi | — | ||
| ↳ | 2,120.9 | ksi | — | ||
| ↳ | 2,654.2 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 1.090 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν)2 entries | 0.2767 | - | — | ||
| ↳ | 0.3000 | - | — | ||
Shear Modulus(G)3 entries | 1,112.6 | ksi | — | ||
| ↳ | 1,112.6 | ksi | — | ||
| ↳ | 1,592.5 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1025 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 8.500 | eV | — | ||
| ↳ | 5.075 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 5.650 | - | — | ||
| ↳ | 4.736 | - | — | ||
| ↳ | 4.064 range 2.392–7.850median of 4 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) | -115.8 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01900 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -2.255 | eV/atom | — | ||
| ↳ | -2.072 | eV/atom | — |