Al2Te5 — Properties & Data | MatWorld

Al2Te5

Name: Al2Te5
Brand: MatWorld

metal

· Al2Te5

Al2Te5 is an intermetallic compound combining aluminum and tellurium, representing an emerging material in the family of metal tellurides. This compound is primarily investigated in materials research contexts rather than established industrial production, with potential applications in thermoelectric devices and semiconductor technologies where layered crystal structures and moderate mechanical properties could provide advantages in thermal management and electronic transport.

thermoelectric devicessemiconductor researchlayered material applicationsthermal management systemsexperimental electronicsmaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	20.72	GPa	DFT · OptB88vdW
Exfoliation Energy(Eexf)	98.02	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2300	-	DFT · OptB88vdW
Shear Modulus(G)	13.55	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.961	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.055	eV	DFT · OptB88vdW
↳	1.547	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	47.04	-	DFT · OptB88vdW
↳	18.62	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	13.52	-	DFT · OptB88vdW
↳	10.29	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	1.037	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.9133	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	0.00130	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00188	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-182.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	251.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.73	%	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)	-0.3562	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.

Al2Te5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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