La1 S1

semiconductor

· La1 S1

La₁S₁ is a rare-earth metal sulfide compound combining lanthanum with sulfur in a 1:1 stoichiometric ratio. This material belongs to the family of lanthanide chalcogenides, which are primarily investigated in research contexts for optoelectronic and photonic applications rather than established commercial production.

Photonic materials researchInfrared opticsSemiconductor device developmentRare-earth compound studiesMaterials science research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.04570	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.025	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.

La1 S1

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control