Yb4 Sr2 S8
semiconductor· Yb4 Sr2 S8
Yb₄Sr₂S₈ is a rare-earth sulfide semiconductor compound combining ytterbium and strontium cations in a mixed-valence structure. This material is primarily of research interest for optoelectronic and thermoelectric applications, with potential relevance to solid-state lighting, mid-infrared detection, and thermal energy conversion systems where rare-earth sulfide semiconductors offer tunable bandgap and ionic conductivity advantages over conventional oxides.
rare-earth semiconductors (research)thermoelectric devicesmid-infrared optoelectronicssolid-state lighting phosphorsionic conductorsadvanced materials development
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.