KTaGe3O9

ceramic

· JVASP-27155· KTaGe3O9

KTaGe3O9 is a complex oxide ceramic compound combining potassium, tantalum, and germanium elements. This is a research-phase material primarily investigated for its potential in functional ceramic applications, particularly where high-temperature stability, dielectric properties, or specialized electronic performance is required. The material belongs to the broader family of mixed-metal oxides used in electroceramics and advanced functional materials, though industrial adoption remains limited compared to established alternatives like alumina or zirconia.

electroceramics researchhigh-temperature dielectricsmicrowave frequency applicationssolid-state chemistry developmentexperimental functional ceramicsmaterials science evaluation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1580	lb/in³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	3.541	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	12.35	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1432	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000562	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00108	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-116.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	356.8	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.

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)	-2.133	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.

KTaGe3O9 — Properties & Data | MatWorld

KTaGe3O9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental