S4 Ge2

semiconductor

· S4 Ge2

S4 Ge2 is a germanium-based semiconductor compound with a stoichiometric sulfur-to-germanium ratio, belonging to the IV-VI or related chalcogenide semiconductor family. This material is primarily of research and developmental interest for optoelectronic and thermoelectric applications, where germanium compounds are explored as alternatives or complements to more conventional semiconductors like silicon and III-V materials. The specific composition suggests potential utility in infrared sensing, thermal management, or next-generation photovoltaic research where germanium's favorable band gap and carrier properties can be leveraged in novel compound structures.

Infrared photodetectorsThermoelectric devicesSemiconductor researchOptoelectronic componentsSolar cell development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	28.22	GPa	—
Shear Modulus(G)	20.07	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.218	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3590	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.

S4 Ge2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control