Dy2 Li2 S4

semiconductor

· Dy2 Li2 S4

Dy2Li2S4 is an experimental lithium dysprosium sulfide compound belonging to the rare-earth sulfide semiconductor family, currently under development for advanced energy storage and optoelectronic applications. This material represents research into mixed-cation sulfide systems that could enable next-generation solid-state battery electrolytes or light-emitting devices, offering potential advantages over conventional oxides through improved ionic conductivity and electrochemical stability. The incorporation of dysprosium, a rare-earth element, is motivated by tailoring electronic properties for specific energy applications where standard lithium sulfides fall short.

solid-state battery electrolytesrare-earth semiconductorsoptoelectronic researchenergy storage materialsionic conductor development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	9,221.2	ksi	—
Shear Modulus(G)	5,970.8	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.997	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.003	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.

Dy2 Li2 S4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control