Yb4 Cu4 S8
semiconductor· Yb4 Cu4 S8
Yb4Cu4S8 is a quaternary chalcogenide semiconductor compound combining rare-earth ytterbium with copper and sulfur in a 1:1:2 cation ratio. This material is primarily investigated in research contexts for thermoelectric and optoelectronic applications, belonging to the broader family of mixed-metal sulfides that show promise for solid-state energy conversion and light-emitting device platforms. Its layered or framework structure typical of such compounds makes it of interest where band-gap engineering and phonon scattering optimization are critical design goals.
thermoelectric power generationsolid-state cooling devicesoptoelectronic semiconductor researchrare-earth compound developmentthermal-to-electric conversionenergy harvesting materials
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| 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.