K4Fe2O5 — Properties & Data | MatWorld

K4Fe2O5

ceramic

· JVASP-56655· K4Fe2O5

K4Fe2O5 is an iron potassium oxide ceramic compound belonging to the mixed-metal oxide family. This material is primarily of research and development interest rather than established industrial production, with potential applications in catalysis, solid-state chemistry, and functional ceramics where iron-potassium interactions are leveraged. Engineers considering this material should recognize it as a specialized compound for advanced applications rather than a conventional engineering ceramic, making it relevant mainly for exploratory projects in energy conversion, chemical processing, or materials innovation where its unique phase chemistry and iron oxide character offer advantages over simpler alternatives.

catalyst developmentresearch ceramicssolid electrolytesiron oxide systemsexperimental chemistryfunctional oxides

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.125	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.1250	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	67.65	-	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000486	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000236	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	79.00	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	140.6	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)	-1.569	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.

K4Fe2O5

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental