K2Al2O3F2 — Properties & Data | MatWorld

K2Al2O3F2

ceramic

· JVASP-39479· K2Al2O3F2

K2Al2O3F2 is a potassium aluminum oxyfluoride ceramic compound that belongs to the family of fluoride-containing oxides. This material is primarily encountered in research and specialized applications rather than mainstream industrial use, where it serves as a precursor or component in fluoride glass systems, optical coatings, and advanced ceramic formulations that require combined thermal and chemical stability.

optical coatings and filtersfluoride glass precursorshigh-temperature ceramicsrefractory applicationsresearch and developmentspecialty ceramic compositions

Compliance & Regulations

?ISO 10993?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.09238	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	4.306	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	2.350	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00115	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00112	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-154	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	327.3	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)	0.03320	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.108	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

Safety & Biocompatibility

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.

K2Al2O3F2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Safety & Biocompatibility