KRu4O8 — Properties & Data | MatWorld

KRu4O8

ceramic

· JVASP-21073· KRu4O8

KRu4O8 is a mixed-metal oxide ceramic compound containing potassium and ruthenium, belonging to the family of complex oxides with potential electrocatalytic and electrochemical properties. This is primarily a research material studied for applications requiring mixed-valence transition metal oxide chemistry, rather than an established commercial ceramic. The compound is of interest to materials scientists investigating catalytic behavior and electronic properties in battery and fuel cell technologies, where ruthenium-based oxides are known for their activity, though researchers continue to optimize composition and processing for practical deployment.

electrocatalytic coatingsoxygen evolution catalystsexperimental energy storagesolid-state electrochemistry researchadvanced ceramic synthesis

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2216	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000368	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000603	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-7.300	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	7.367	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)	-1.278	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.

KRu4O8

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental