K3AlTe3 — Properties & Data | MatWorld

K3AlTe3

metal

· JVASP-12800· K3AlTe3

K3AlTe3 is an intermetallic compound combining potassium, aluminum, and tellurium—a research-phase material not yet established in mainstream commercial production. This compound belongs to the family of complex metal tellurides and is primarily of interest in materials science research for studying thermoelectric properties, crystal structure effects, and potential semiconductor or quantum material applications rather than near-term engineering deployment.

thermoelectric researchsemiconductor developmentquantum material studiescrystal structure analysislaboratory characterizationexploratory materials science

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.352	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.219	eV	DFT · OptB88vdW
↳	2.974	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.248	-	DFT · OptB88vdW
↳	4.172	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000958	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000486	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-181.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	295.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	4.920	%	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)	-1.022	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

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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.

K3AlTe3

Physical Properties

Electrical Properties

Other Properties

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