Cu2GeTe3

metal

· Cu2GeTe3

Cu2GeTe3 is a ternary chalcogenide compound composed of copper, germanium, and tellurium, belonging to the family of semiconducting and thermoelectric materials. This is a research-phase compound primarily investigated for thermoelectric energy conversion and solid-state cooling applications, where the combination of these elements creates favorable electronic and phononic properties for temperature-dependent electrical and thermal performance. While not yet in widespread commercial production, materials in this copper-germanium-tellurium family are of interest to semiconductor and renewable energy researchers seeking alternatives to conventional thermoelectrics for waste heat recovery and precision thermal management.

thermoelectric energy conversionwaste heat recoverysolid-state cooling devicessemiconducting compoundsresearch and developmenttemperature gradient applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,124.6	ksi	DFT
Shear Modulus(G)	3,201.8	ksi	DFT

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2109	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000273	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000426	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	10.52	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	18.89	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.07533	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.

Cu2GeTe3 — Properties & Data | MatWorld

Cu2GeTe3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control