Na8 Ge4 S12

semiconductor

· Na8 Ge4 S12

Na8Ge4S12 is an inorganic sulfide semiconductor compound belonging to the family of alkali metal germanium chalcogenides, which are synthetic materials engineered for specific electronic and photonic properties. This material is primarily of research and developmental interest rather than established in high-volume industrial production, with potential applications in solid-state ionics, thermoelectrics, and advanced optoelectronic devices where its layered crystal structure and band-gap characteristics could offer advantages over conventional semiconductors. The germanium-sulfur framework with sodium doping makes it a candidate for next-generation energy conversion systems and solid electrolytes, though practical implementation remains in the experimental stage.

solid-state batteries and ion conductorsthermoelectric energy conversionoptoelectronic research devicesphotovoltaic absorber layersquantum materials researchadvanced semiconductor characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	21.98	GPa	—
Shear Modulus(G)	12.69	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.377	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.9350	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 Ge4 S12

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control