BaTe2 — Properties & Data | MatWorld

BaTe2

ceramic

· BaTe2

BaTe2 is a barium telluride ceramic compound belonging to the chalcogenide ceramic family, characterized by ionic bonding between barium cations and tellurium anions. This material is primarily of research and development interest for thermoelectric and optoelectronic applications, where its moderate mechanical stiffness and thermal properties make it a candidate for energy conversion devices and infrared optical systems. Engineers would consider BaTe2 in specialized contexts requiring materials with combined electrical conductivity and mechanical stability at elevated temperatures, though it remains less commercially established than competing thermoelectric ceramics like bismuth telluride.

thermoelectric generatorsinfrared optical componentshigh-temperature semiconductor applicationsresearch materialsenergy harvesting devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	4,705	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	2,603.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2004	lb/in³	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	0.6130	eV	DFT · OptB88vdW
↳	1.273	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	12.68	-	DFT · OptB88vdW
↳	13.33	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.688	-	DFT · OptB88vdW
↳	7.688	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.6500	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.7433	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	0.00389	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00130	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-274.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	157.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.24	%	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)	0.00730	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.264	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.

BaTe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental