K2NbF7 — Properties & Data | MatWorld

K2NbF7

metal

· JVASP-21028· K2NbF7

K₂NbF₇ is an inorganic fluoride compound containing potassium and niobium, belonging to the family of metal fluoride salts rather than a conventional metal alloy. This material is primarily encountered in specialized chemical and materials research contexts, particularly in fluoride metallurgy, niobium processing, and advanced ceramic precursor synthesis. It is notably used in laboratory and industrial settings as a flux agent for niobium metal production and as a precursor in the synthesis of niobium-containing ceramics and refractory materials, where its fluoride chemistry enables lower-temperature processing and improved densification compared to conventional oxide-based routes.

niobium metallurgy and refininghigh-temperature ceramic precursorsflux agents for metal processingrefractory material synthesisadvanced materials research

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.206	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	4.505	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	2.601	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00000624	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000136	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-478.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	485.9	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)	-3.220	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

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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.

K2NbF7

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Electrical Properties

Other Properties

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