Li1 S2 Er1

semiconductor
· Li1 S2 Er1

Li₁S₂Er₁ is a ternary semiconductor compound combining lithium, sulfur, and erbium—a composition rarely documented in mainstream engineering literature and likely representing either a research-phase material or an emerging rare-earth sulfide system. This material family sits at the intersection of ionic conductors and semiconductors, with potential applications in solid-state battery electrolytes, photonic devices, or specialized optical components where rare-earth doping in sulfide hosts provides unique electronic or luminescent properties. Engineers considering this compound should expect it to be in early development; adoption would typically be driven by requirements for specific optical phenomena, ionic transport, or compatibility with lithium-based energy storage systems where conventional materials fall short.

solid-state battery researchrare-earth photonicsionic conductor electrolytesoptical/IR device developmentadvanced materials researchenergy storage systems

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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ksi——
Shear Modulus(G)
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ksi——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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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.
Li1 S2 Er1 — Properties & Data | MatWorld