YYO2S — Properties & Data | MatWorld

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.200	eV	DFT · GLLB-SC
Magnetic Moment(μB)	-0.000137	μB	DFT

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.8800	eV/atom	DFT

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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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.

YYO2S

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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