HfVF6 — Properties & Data | MatWorld

HfVF6

metal

· HfVF6

HfVF6 is a hafnium-vanadium fluoride compound that combines refractory metal characteristics with fluoride chemistry, placing it in the category of advanced intermetallic or ceramic-matrix precursor materials. This is primarily a research and development material studied for high-temperature structural applications and as a potential precursor for composite matrices, rather than an established commercial alloy. Engineers would consider this material for extreme environments where conventional titanium or nickel alloys reach their limits, though its use remains largely confined to academic investigation and specialized aerospace research programs.

high-temperature aerospace researchrefractory metal compositesexperimental structural materialsceramic matrix precursorextreme environment coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	89.93	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3200	-	DFT · OptB88vdW
Shear Modulus(G)	52.70	GPa	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	4.335	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.639	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	4.520	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)	12.68	-	DFT · OptB88vdW
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00205	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000517	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-378.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	501.9	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)	0.2005	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.253	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

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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.

HfVF6

Mechanical Properties

Physical Properties

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