Rb₂S is an ionic ceramic compound composed of rubidium and sulfur, belonging to the antifluorite crystal structure family. This material is primarily of research and academic interest rather than established industrial use, with applications explored in solid-state chemistry, ionic conductivity studies, and as a precursor for advanced ceramic synthesis. Engineers and materials researchers consider Rb₂S when investigating alkali metal chalcogenides for next-generation solid electrolytes, thermal management systems, or specialized refractory applications where high-temperature stability and ionic transport properties are relevant.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 2,197.2 | ksi | — | ||
| ↳ | 2,649.8 | ksi | — | ||
Poisson's Ratio(ν) | 0.3200 | - | — | ||
Shear Modulus(G)2 entries | 1,078.6 | ksi | — | ||
| ↳ | 1,111 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1262 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.271 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 6.610 | - | — | ||
| ↳ | 5.987 | - | — | ||
| ↳ | 4.779 range 3.267–6.291median 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) | -98.23 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.05170 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -1.248 | eV/atom | — | ||
| ↳ | -1.137 | eV/atom | — |