K3Ta3B2O12 — Properties & Data | MatWorld

K3Ta3B2O12

ceramic

· JVASP-45407· K3Ta3B2O12

K3Ta3B2O12 is an inorganic ceramic compound containing potassium, tantalum, boron, and oxygen—a complex mixed-metal oxide that represents an exploratory composition rather than an established commercial material. This compound falls within the family of advanced ceramics and rare-earth/refractory oxide systems; tantalum-bearing ceramics are typically investigated for high-temperature stability, chemical inertness, and potential electrical or optical functionality. While K3Ta3B2O12 itself remains largely a research-stage composition, materials in this chemical family are of interest to developers of specialized refractories, electronic ceramics, or chemically resistant coatings, though practical deployment data and scaled manufacturing routes are limited compared to conventional ceramic systems.

High-temperature refractories (research)Advanced electronic ceramics (exploratory)Chemical-resistant coatings (experimental)Tantalum compound developmentMixed-oxide ceramic systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.428	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.755	eV	DFT · OptB88vdW
↳	3.972	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	62.79	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.326	-	DFT · OptB88vdW
↳	4.113	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1445	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000954	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000755	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-164.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	462.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.03000	%	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)	-2.847	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.

K3Ta3B2O12

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental