RbBiF6

ceramic

· RbBiF6

RbBiF6 is a halide ceramic compound belonging to the rubidium bismuth fluoride family, characterized by an ionic crystal structure combining alkali metal and bismuth fluoride components. This material remains primarily in the research and development phase, with potential applications emerging in solid-state electrolytes, photonic materials, and specialized optical components where its fluoride-based composition offers chemical stability and tunable optical properties. The bismuth fluoride framework makes it of particular interest for next-generation battery technologies and radiation-resistant ceramics, though industrial adoption remains limited compared to more established ceramic systems.

solid-state battery electrolytesoptical/photonic researchradiation-resistant ceramicsfluoride-based compositesexperimental inorganic materialsthermal management coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1821	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.524	eV	DFT · OptB88vdW
↳	3.305	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	6.620	-	DFT · PBE
↳	4.510 range 2.293–6.728median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.847	-	DFT · OptB88vdW
↳	2.430	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000778	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000225	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-231.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	543.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	2.240	%	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)	-2.288	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.

RbBiF6 — Properties & Data | MatWorld

RbBiF6

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental