S4 Ga4 Te2

semiconductor

· S4 Ga4 Te2

S4Ga4Te2 is a quaternary semiconductor compound combining sulfur, gallium, and tellurium elements, belonging to the family of chalcogenide semiconductors. This is primarily a research material under investigation for optoelectronic and photonic applications, where its direct bandgap and crystal structure show promise for light emission and detection in the infrared spectrum. The material is notable within the broader context of wide-bandgap and narrow-bandgap semiconductor research as a potential alternative to conventional binary or ternary semiconductors for specialized sensing, imaging, or photovoltaic systems.

infrared optoelectronics (research)photodetectors (experimental)semiconductor photonicsnon-linear optical materialsthin-film applicationsmaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	30.18	GPa	—
Shear Modulus(G)	20.89	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.072	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6010	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 Ga4 Te2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control