Rb3BAs2

ceramic

· Rb3BAs2

Rb3BAs2 is an experimental ceramic compound in the rubidium–boron–arsenic system, synthesized primarily for fundamental materials research rather than established industrial production. This material belongs to the family of complex metal borides and arsenides, which are of scientific interest for understanding crystal chemistry and potential functional properties in semiconducting or optoelectronic applications. While not yet commercialized, compounds in this chemical family are investigated for their thermal stability, electronic behavior, and potential use in niche high-temperature or radiation-resistant environments where conventional ceramics are insufficient.

research and developmentcrystal structure studieshigh-temperature ceramics (experimental)semiconductor researchnuclear or radiation environments (theoretical)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	2,613.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	1,231.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1218	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	1.475	eV	DFT · OptB88vdW
↳	2.459	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	7.029 range 4.777–9.280median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.712	-	DFT · OptB88vdW
↳	4.417	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.4967	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.547	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00134	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00108	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-155.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	345.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	13.44	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4338	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.

Rb3BAs2 — Properties & Data | MatWorld

Rb3BAs2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental