Er4 Cu4 S8
semiconductor· Er4 Cu4 S8
Er₄Cu₄S₈ is a ternary chalcogenide semiconductor compound combining erbium, copper, and sulfur in a fixed stoichiometric ratio. This is a research-phase material studied primarily for its electronic and optical properties within the broader family of rare-earth transition-metal sulfides, which show potential for photovoltaic and optoelectronic applications due to their tunable bandgaps and mixed-metal coordination chemistry.
photovoltaic researchoptoelectronic devicesthermoelectric materials (experimental)thin-film semiconductorsrare-earth material systems
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | Pa | — | — | |
Shear Modulus(G) | — | Pa | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
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.