GaCuTe2

metal

· GaCuTe2

GaCuTe₂ is a ternary intermetallic compound combining gallium, copper, and tellurium, belonging to the family of semiconducting or semi-metallic chalcogenides. This material is primarily of research and development interest rather than established in high-volume production, with potential applications in thermoelectric energy conversion, optoelectronic devices, and specialized solid-state electronics where the unique band structure and carrier properties of mixed-metal tellurides offer advantages over binary compounds.

thermoelectric power generationsemiconductor researchoptoelectronic deviceswaste heat recoverysolid-state electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	8,631.2	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	4,381.6	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2060	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	0.1660	eV	DFT · OptB88vdW
↳	1.041	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	33.85 range 32.90–34.79median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)	9.892	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.01000	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.01000	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.07671	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00229	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00325	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-137	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	253.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.17	%	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)	0.03340	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2294	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.

GaCuTe2 — Properties & Data | MatWorld

GaCuTe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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