Bi4O3F7 — Properties & Data | MatWorld

Bi4O3F7

ceramic

· JVASP-50837· Bi4O3F7

Bi₄O₃F₇ is a bismuth oxyfluoride ceramic compound that combines bismuth oxide with fluorine in a mixed anionic structure. This material is primarily of research and development interest for advanced ceramic applications, particularly where the unique combination of bismuth's high atomic number and fluorine's chemical activity offers functional advantages such as enhanced optical, photocatalytic, or ionic transport properties.

photocatalytic materialsfluoride ion conductorsoptical coatingsresearch ceramicssolid-state electrolytesfunctional oxide development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	8.934	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.1060	eV	DFT · OptB88vdW
↳	0.2570	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	100.9	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	10.56	-	DFT · OptB88vdW
↳	6.286	-	DFT · TBmBJ
Magnetic Moment(μB)	0.7720	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1539	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000329	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000792	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-9.550	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	31.81	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.840	%	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)	0.09100	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.100	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.

Bi4O3F7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental