K4Zr5O12 — Properties & Data | MatWorld

K4Zr5O12

ceramic

· JVASP-55939· K4Zr5O12

K4Zr5O12 is a zirconium-potassium oxide ceramic compound belonging to the family of zirconia-based ceramics, which are valued for their high thermal stability and structural rigidity. This material is primarily investigated in research contexts for applications requiring high-temperature performance, refractories, and potentially advanced electronic or thermal management systems where zirconia composites are engineered. Its potassium-doped zirconia structure suggests utility in specialized high-temperature environments or as a component in composite ceramic formulations, though it remains less common in mainstream industrial production compared to yttria-stabilized zirconia (YSZ) and other established zirconia variants.

high-temperature refractoriesthermal barrier coatingsadvanced ceramics researchzirconia compositesindustrial furnace liningsthermal management systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.277	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	3.195	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000636	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000918	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-272.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	332.3	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)	-3.181	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.

K4Zr5O12

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental