Lu2 S4

semiconductor

· Lu2 S4

Lu₂S₄ is a rare-earth sulfide semiconductor compound combining lutetium with sulfur in a 2:4 stoichiometric ratio. This material belongs to the rare-earth chalcogenide family and is primarily of research and developmental interest rather than established in high-volume industrial production. Lu₂S₄ is explored for optoelectronic and photonic applications where its wide bandgap and luminescent properties could enable ultraviolet or visible-range devices, though commercial adoption remains limited compared to more conventional semiconductors.

optoelectronic researchUV/visible photonicsrare-earth compound semiconductorsphosphor materials (experimental)high-temperature semiconductor devices (developmental)

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00450	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.793	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.

Lu2 S4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control