YYO2S
semiconductor· YYO2S
YYO2S is a rare-earth oxysulfide semiconductor compound combining yttrium, oxygen, and sulfur elements, representing an emerging material in the broader class of mixed-anion semiconductors. This material family is being explored in research contexts for optoelectronic and photonic applications where the combination of ionic and covalent bonding can provide tunable bandgap properties and potential phosphorescence or luminescence behavior. YYO2S-type materials are of interest to researchers developing next-generation phosphors, scintillators, and semiconductor devices where conventional binary semiconductors (like pure oxides or sulfides) have limitations.
phosphor materialsscintillator detectorsphotoluminescent coatingsresearch optoelectronicsrare-earth semiconductor compounds
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | μB | — | — |
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.