MnCu2GeS4 — Properties & Data | MatWorld

MnCu2GeS4

metal

· JVASP-12310· MnCu2GeS4

MnCu2GeS4 is a quaternary metal sulfide compound combining manganese, copper, and germanium elements in a sulfide matrix, belonging to the family of multinary semiconductor and solid-state materials. This is a research-stage compound primarily of interest in semiconductor physics and solid-state chemistry rather than established engineering practice. The material family shows potential for thermoelectric applications, photovoltaic devices, and magnetic semiconductor research, where the interplay of transition metal (Mn), coinage metal (Cu), and group IV (Ge) elements in a chalcogenide framework could enable tunable electronic and thermal properties.

thermoelectric devices (research)semiconductor physicsphotovoltaic researchmagnetic materials studiessolid-state chemistrymaterials characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	63.11	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	21.21	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.108	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.1920	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	82.64	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.00667	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.00667	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	9.951	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000204	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000970	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-168.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	211.8	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4377	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.

MnCu2GeS4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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