TeAuI — Properties & Data | MatWorld

TeAuI

metal

· JVASP-61272· TeAuI

TeAuI is an intermetallic compound combining tellurium, gold, and iodine, belonging to the family of ternary metal halides and chalcogenides. This is an experimental or specialized research material rather than a conventional structural alloy; such compounds are typically investigated for their unique electronic, optical, or thermoelectric properties that differ substantially from their constituent elements. TeAuI and related compositions show potential in semiconductor applications, energy conversion devices, and solid-state chemistry where the synergistic combination of these elements provides tailored functionality not achievable with binary systems.

thermoelectric devicessemiconductor researchsolid-state electronicsphotonic materialsexperimental alloysspecialized optical applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	21.52	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	9.610	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	7.494	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.8520	eV	DFT · OptB88vdW
↳	1.147	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	16.35	-	DFT · OptB88vdW
↳	12.25	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.673	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.837	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00145	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00107	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-340.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	328.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.83	%	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)	-0.09946	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

Export Control

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.

TeAuI

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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