RbF2

ceramic

· RbF2

RbF₂ is an ionic ceramic compound composed of rubidium and fluorine, belonging to the fluoride ceramic family. This material is primarily of academic and research interest rather than a widespread industrial ceramic, with applications explored in optical systems, neutron detection, and specialized high-energy physics experiments where its fluoride properties are leveraged. Engineers consider fluoride ceramics like RbF₂ when extreme chemical inertness, transparency in specific wavelength ranges, or unique radiation interaction properties are critical; however, practical use remains limited compared to conventional ceramics due to availability, cost, and the maturity of competing alternatives in most commercial applications.

radiation detectionscintillation materialsoptical window materialshigh-energy physics researchspecialized nuclear instrumentation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	2,865.9	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3900	-	DFT · OptB88vdW
Shear Modulus(G)	1,527.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1104	lb/in³	DFT · OptB88vdW

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

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)	1.348	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	3.420	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)	8.460	-	DFT · OptB88vdW
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.2124	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.829	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.

RbF2 — Properties & Data | MatWorld

RbF2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental