Al2SiO4F2 — Properties & Data | MatWorld

Al2SiO4F2

Name: Al2SiO4F2
Brand: MatWorld

ceramic

· JVASP-21165· Al2SiO4F2

Al2SiO4F2 is a fluorosilicate ceramic compound combining aluminum, silicon, oxygen, and fluorine—a composition class studied primarily in materials research rather than established industrial production. This material belongs to the family of complex oxide ceramics with fluorine substitution, which can offer enhanced properties such as improved thermal stability, reduced sintering temperatures, or specialized chemical resistance compared to conventional silicates. Applications remain largely experimental and focused on advanced refractory systems, specialized coatings, or high-temperature ceramic matrix composites where fluorine doping can modify phase stability and microstructure.

advanced ceramics researchhigh-temperature refractoriesceramic coatingsthermal barrier systemsexperimental compositeschemical-resistant applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1252	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	6.177	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	2.679	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.3300	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.627	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000577	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000859	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-83.76	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	311.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	-3.360	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.

Al2SiO4F2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental