Na8 S4

semiconductor

· Na8 S4

Na8S4 is an inorganic sulfide semiconductor compound composed of sodium and sulfur, belonging to the family of alkali metal chalcogenides. This material is primarily of research and development interest rather than established industrial production, with potential applications in solid-state battery systems, photovoltaic devices, and ion-conducting electrolytes where its ionic conductivity and structural properties may offer advantages over conventional materials.

solid-state battery electrolytessodium-ion battery researchphotovoltaic absorbersionic conductorsenergy storage devicesexperimental semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	4,467.2	ksi	—
Shear Modulus(G)	2,323.5	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.359	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.181	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.

Na8 S4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control