Yb4 Cu4 S8 — Properties & Data | MatWorld

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00500	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.174	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

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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.

Yb4 Cu4 S8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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