K4CaU3O12 — Properties & Data | MatWorld

K4CaU3O12

ceramic

· JVASP-49241· K4CaU3O12

K4CaU3O12 is a complex uranium-bearing ceramic compound containing potassium, calcium, and uranium oxides. This material is primarily of scientific and research interest rather than established commercial use, with potential applications in nuclear fuel chemistry, radiochemistry, or materials research exploring uranium-based ceramic phases. Engineers and researchers encounter this compound primarily in academic settings or specialized nuclear materials programs where understanding uranium oxide crystal structures and phase stability informs fuel design or waste form development.

nuclear materials researchuranium oxide ceramicsradiochemistryphase diagram studiesspecialized research applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.677	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.227	eV	DFT · OptB88vdW
↳	2.407	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	4.740	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000489	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000696	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-463.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	437.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	14.49	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.086	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.

K4CaU3O12

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental