NaAlTe2 — Properties & Data | MatWorld

NaAlTe2

metal

· NaAlTe2

NaAlTe2 is an intermetallic compound composed of sodium, aluminum, and tellurium, belonging to the family of ternary metal tellurides. This is primarily a research material studied for its potential in thermoelectric and semiconductor applications, as compounds in this chemical family offer interesting electronic and thermal transport properties for energy conversion and solid-state device development.

Thermoelectric materials researchSolid-state energy conversionSemiconductor device developmentLow-temperature physics studiesMaterials science R&DExperimental electronic applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,721.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4500	-	DFT · OptB88vdW
Shear Modulus(G)	1,895.6	ksi	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	0.1566	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.641	eV	DFT · OptB88vdW
↳	2.291	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	21.15	-	DFT · OptB88vdW
↳	17.85	-	DFT · PBE
↳	11.79 range 8.046–15.53median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.063	-	DFT · OptB88vdW
↳	6.081	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.2633	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.8500	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000454	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00326	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-71.96	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	276.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	16.79	%	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)	-0.7391	eV/atom	DFT · OptB88vdW

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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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NaAlTe2

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