Rb3Os

ceramic

· JVASP-76199· Rb3Os

Rb3Os is an intermetallic ceramic compound combining rubidium and osmium, representing an experimental material from the high-entropy and refractory intermetallic family. This compound is primarily of research interest for fundamental materials science studies rather than established industrial production, with potential applications in extreme-temperature environments or specialized electronic/structural applications where osmium-based ceramics show promise. Engineers would consider this material only in advanced research contexts or specialized aerospace/high-temperature applications where conventional ceramics prove insufficient, though practical deployment remains limited due to rubidium's chemical reactivity and the compound's limited manufacturing infrastructure.

Research and developmentHigh-temperature ceramicsRefractory materialsIntermetallic compoundsAdvanced materials study

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	1,150.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1500	-	DFT · OptB88vdW
Shear Modulus(G)	1,064.6	ksi	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1656	lb/in³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	2.276	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000654	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000568	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-47.07	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-44.10	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	1.287	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	1.264	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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.

Rb3Os — Properties & Data | MatWorld

Rb3Os

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental