NaCaMg2F7 — Properties & Data | MatWorld

NaCaMg2F7

ceramic

· JVASP-142415· NaCaMg2F7

NaCaMg2F7 is a mixed-cation fluoride ceramic compound belonging to the fluoride mineral family, structurally related to naturally occurring minerals like cryolite. This material is primarily of research and development interest for optical and thermal applications, where fluoride ceramics are valued for their transparency in the infrared spectrum and chemical stability at elevated temperatures. Compared to traditional oxide ceramics, fluoride compounds like NaCaMg2F7 offer superior transparency in infrared wavelengths and lower refractive indices, making them candidates for specialized optical windows and thermal barrier coatings in extreme environments.

infrared opticsthermal barrier coatingsresearch ceramicshigh-temperature applicationsoptical windows

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.002	kg/m³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	6.693	eV	DFT · OptB88vdW
↳	9.658	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.071	-	DFT · OptB88vdW
↳	1.725	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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)	0.000900	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.743	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.

NaCaMg2F7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental