KNaPrTaO5 — Properties & Data | MatWorld

KNaPrTaO5

ceramic

· JVASP-41787· KNaPrTaO5

KNaPrTaO5 is a complex mixed-metal oxide ceramic compound containing potassium, sodium, praseodymium, and tantalum. This is a research-phase material studied primarily for its potential in functional ceramic applications, particularly those requiring high dielectric performance or ionic conductivity in solid-state electrochemical devices. While not yet widely deployed in commercial products, ceramics in this compositional family show promise for advanced energy storage, solid electrolytes, and high-temperature electrochemical applications where conventional materials reach performance limits.

solid-state electrolytesadvanced ceramics researchhigh-temperature electrochemical devicesionic conductorsfunctional ceramicsmaterials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.540	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.499	eV	DFT · OptB88vdW
↳	5.450	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.852	-	DFT · OptB88vdW
↳	3.118	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00113	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000934	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-194.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	418.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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)	-2.935	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.

KNaPrTaO5

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental