Ga4 S4

semiconductor

· Ga4 S4

Ga₄S₄ is a gallium sulfide semiconductor compound belonging to the III-VI family of materials, characterized by its layered crystal structure and direct bandgap properties. This material is primarily explored in research contexts for optoelectronic and photonic device applications, where its semiconducting properties and potential for wide bandgap engineering make it a candidate for UV-visible light emission and detection. Compared to more established III-V semiconductors (like GaAs), gallium sulfides offer different lattice parameters and band structure characteristics, positioning them as an alternative platform for niche photonic applications, though industrial adoption remains limited.

optoelectronic devicesphotonic researchUV-visible photodetectorsthin-film semiconductorslight-emitting researchwide-bandgap semiconductor studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	5,869.2	ksi	—
Shear Modulus(G)	3,710.1	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.418	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7070	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.

Ga4 S4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control