Li1 Y1 S2

semiconductor

· Li1 Y1 S2

Lithium yttrium disulfide (Li₁Y₁S₂) is an experimental semiconductor compound combining lithium, yttrium, and sulfur, belonging to the class of mixed-metal sulfides being investigated for advanced electronic and photonic applications. This material family is of primary interest in research contexts for solid-state battery components, photovoltaic devices, and optoelectronic systems where the combination of lithium's ionic properties and yttrium's rare-earth characteristics offers potential advantages in ion conductivity and band-gap engineering. Its development reflects ongoing efforts to move beyond conventional materials toward higher-performance alternatives for next-generation energy storage and semiconductor technologies.

solid-state battery researchphotovoltaic developmentoptoelectronic devicesionic conductor studiesrare-earth semiconductor compoundsexperimental materials applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	73.60	GPa	—
Shear Modulus(G)	48.38	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.3233	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.964	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 Y1 S2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control