Yb4 Sr2 S8 — Properties & Data | MatWorld

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01000	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.819	eV/atom	DFT · OptB88vdW

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

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.

Yb4 Sr2 S8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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