K2Pb2O3 — Properties & Data | MatWorld

K2Pb2O3

ceramic

· JVASP-12331· K2Pb2O3

K2Pb2O3 is a lead-potassium oxide ceramic compound belonging to the family of mixed-metal oxides, typically studied in materials research contexts rather than in widespread industrial production. This material is of interest primarily in the ceramics and materials science research community for its potential applications in specialized domains such as lead-based ceramic formulations, though its lead content makes it environmentally and health-sensitive for most consumer applications. The compound's properties suggest possible use in high-density ceramic systems, though practical engineering applications remain limited compared to more established ceramic families like alumina or zirconia.

ceramic researchlead-containing compoundshigh-density ceramicsexperimental formulationsspecialized coatingslaboratory/academic applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	25.77	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2600	-	DFT · OptB88vdW
Shear Modulus(G)	14.86	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.979	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.968	eV	DFT · OptB88vdW
↳	3.129	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	10.65	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.563	-	DFT · OptB88vdW
↳	3.919	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.3900	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.3900	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.01040	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00375	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000598	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-262.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	105.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	3.270	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.432	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.

K2Pb2O3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental