K3BiTe3 — Properties & Data | MatWorld

K3BiTe3

ceramic

· JVASP-58993· K3BiTe3

K3BiTe3 is an inorganic ceramic compound belonging to the bismuth telluride family, composed of potassium, bismuth, and tellurium elements. This material is primarily of research and developmental interest rather than established in high-volume industrial production; compounds in this family are investigated for thermoelectric applications and solid-state energy conversion due to their electronic and thermal transport properties. Engineers evaluating K3BiTe3 would consider it for emerging applications in thermoelectric cooling or power generation where bismuth telluride-based systems show promise, though material maturity, processability, and cost-performance trade-offs versus commercial alternatives would require careful assessment for specific projects.

thermoelectric devicessolid-state coolingenergy conversion researchelectronic materials developmenthigh-temperature power generationexperimental semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.319	kg/m³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.432	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	9.966	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	7.600	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.00593	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000641	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000253	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-280.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	373.8	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.8614	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.

K3BiTe3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental