Rb3Ir

ceramic

· JVASP-38233· Rb3Ir

Rb3Ir is an intermetallic ceramic compound combining rubidium and iridium, representing an experimental material from the family of alkali-metal transition-metal intermetallics. This compound is primarily of research interest rather than established industrial production, investigated for its potential in high-temperature structural applications and electronic materials where the combination of a reactive alkali metal with a refractory transition metal offers unusual property combinations. Rb3Ir remains largely in the academic domain, with development driven by materials science efforts to understand intermetallic phase behavior and explore potential applications in advanced ceramics or functional materials where conventional alternatives may be cost-prohibitive or chemically unsuitable.

experimental intermetallics researchhigh-temperature phase studiesmaterials science fundamentalselectronic material developmentspecialist aerospace researchchemical behavior investigation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	2,536.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)	1,234.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2034	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.4140	eV	DFT · OptB88vdW
↳	0.5060	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	20.55	-	DFT · OptB88vdW
↳	16.50	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00310	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000620	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-348.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	351.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	15.57	%	DFT · TBmBJ

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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.5983	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.5756	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.

Rb3Ir — Properties & Data | MatWorld

Rb3Ir

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental