K2CuF4 — Properties & Data | MatWorld

K2CuF4

metal

· K2CuF4

K2CuF4 is an inorganic fluoride compound combining potassium and copper, belonging to the family of metal fluorides that are primarily of research and developmental interest rather than established engineering materials. This compound sits at the intersection of ionics research and solid-state chemistry, with potential applications in fluoride-based systems where copper coordination and ionic conductivity are relevant. Industrial adoption remains limited; the material is encountered mainly in specialized contexts such as thermal barrier coatings research, solid electrolyte development, or as a precursor in fluoride materials synthesis.

research fluoride materialssolid electrolytes (experimental)thermal barrier coatings (candidate)copper fluoride chemistryionic conductivity studiesmaterials synthesis precursor

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

Units:

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	43.42	GPa	DFT
↳	51.37	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3300	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	18.79	GPa	DFT
↳	20.04	GPa	DFT · OptB88vdW

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
Density(ρ)	3.519	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.1520	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	22.19	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.01667	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.01667	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.9590	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000482	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000160	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-128.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	22.55	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)	0.05530	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.414	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.

K2CuF4

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