TbAgTe2 — Properties & Data | MatWorld

TbAgTe2

metal

· TbAgTe2

TbAgTe2 is an intermetallic compound composed of terbium, silver, and tellurium, belonging to the family of rare-earth metal chalcogenides. This material is primarily of research interest in solid-state physics and materials science rather than established industrial production, with potential applications in thermoelectric devices and quantum materials exploration. The combination of a rare-earth element (terbium) with a noble metal (silver) and chalcogen (tellurium) suggests study as a candidate for next-generation thermoelectric or magnetotransport applications, though practical engineering deployment remains limited.

thermoelectric device researchsolid-state physics researchrare-earth intermetallic studieslow-temperature physics applicationsquantum material candidatesmaterials discovery and screening

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	44.27	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	23.18	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	7.303	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	0.8690	eV	DFT · OptB88vdW
↳	1.297	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	20.65	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	11.98	-	DFT · OptB88vdW
↳	9.286	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.6667	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.5000	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.2646	C/m²	DFT · OptB88vdW
↳	0.1912	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00136	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00208	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-175.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	212.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.38	%	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)	-0.9308	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

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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.

TbAgTe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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