MgCu2GeS4
semiconductor· MgCu2GeS4
MgCu2GeS4 is a quaternary chalcogenide semiconductor compound combining magnesium, copper, germanium, and sulfur. This material belongs to the family of ternary and quaternary sulfides, which are of interest for photovoltaic and thermoelectric applications due to their tunable bandgap and mixed-valence cation chemistry. As a research-stage compound, MgCu2GeS4 has not yet achieved widespread commercial deployment but represents the broader strategy of designing Earth-abundant semiconductor alternatives to conventional III–V and I–III–VI2 systems for solar cells, light emission, and solid-state energy conversion.
thin-film photovoltaics (research)thermoelectric energy harvestingvisible light emitterssemiconductor heterostructuresEarth-abundant material substitutionoptoelectronic device engineering
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | kg/m³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | — | eV | — | — | |
| ↳ | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — |
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.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
Formation Energy(ΔHf) | — | eV/atom | — | — |
Verified Unverified Low confidence (<80%) Link to source
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.