RbAu
metal· RbAu
RbAu is an intermetallic compound composed of rubidium and gold, representing a rare binary metal system with limited commercial development. This material exists primarily in research and materials science contexts, where it is studied for fundamental understanding of intermetallic phase behavior, crystal structure, and physical properties rather than established industrial applications. The rubidium-gold system is of academic interest for exploring metal-metal bonding, thermodynamic stability, and potential applications in specialized electronics or experimental alloys, though practical use remains negligible due to cost, reactivity of rubidium, and lack of performance advantages over conventional alloys.
materials research and phase diagramsexperimental intermetallic compoundsfundamental physics studieshigh-temperature metallurgy research
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 2,461.3 | ksi | — | ||
Poisson's Ratio(ν) | 0.2600 | - | — | ||
Shear Modulus(G) | 1,459.1 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2483 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.4990 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 9.830 | - | — | ||
| ↳ | 8.237 range 6.589–9.886median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -153.1 | µV/K | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4117 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.