Li2 S4 Y2

semiconductor

· Li2 S4 Y2

Li₂S₄Y₂ is an experimental mixed-metal sulfide compound containing lithium and yttrium, belonging to the semiconductor family of materials. While not yet commercially established, this material is primarily of research interest in solid-state battery development and advanced functional ceramics, where the combination of lithium (for ionic transport) and yttrium (for structural stability) suggests potential applications in next-generation energy storage and high-temperature electronic devices. Its development reflects ongoing efforts to discover new solid electrolyte candidates and multifunctional ceramic semiconductors that could outperform conventional materials in harsh operating environments.

solid-state battery electrolytesenergy storage researchhigh-temperature semiconductorsceramic materials developmentionic conductivity applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	9,021.3	ksi	—
Shear Modulus(G)	5,798.6	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.010	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.030	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.

Li2 S4 Y2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control