Cu2HgGeSe4 — Properties & Data | MatWorld

Cu2HgGeSe4

Name: Cu2HgGeSe4
Brand: MatWorld

metal

· Cu2HgGeSe4

Cu2HgGeSe4 is a quaternary chalcogenide compound combining copper, mercury, germanium, and selenium in a fixed stoichiometric ratio. This is an experimental semiconductor material primarily of interest in materials research rather than established industrial production, belonging to the family of multinary chalcogenides that exhibit tunable electronic and optical properties. The compound is investigated for potential applications in thermoelectric energy conversion and photovoltaic devices, where its mixed-metal composition and selenium content may offer advantages in band gap engineering and charge carrier mobility compared to simpler binary or ternary semiconductors.

thermoelectric devicesexperimental semiconductorsphotovoltaic researchchalcogenide materialsband gap engineeringmaterials research prototyping

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	57.37	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)	22.46	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	6.195	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)3 entries	0.000	eV	DFT · OptB88vdW
↳	0.2350	eV	DFT · TBmBJ
↳	0.000	eV	Measured
Dielectric Constant (Relative Permittivity)(εr)	869.5	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	26.16	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	4.201	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00100	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000158	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-90.09	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	48.87	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.840	%	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)	0.01260	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1903	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

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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.

Cu2HgGeSe4

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