Sr4 Ge2 S8

semiconductor

· Sr4 Ge2 S8

Sr₄Ge₂S₈ is a quaternary chalcogenide semiconductor compound combining strontium, germanium, and sulfur in a fixed stoichiometric ratio. This material belongs to the family of metal chalcogenides, which are primarily of research interest for their potential in optoelectronic and photonic applications due to their tunable bandgap and crystal structure. While not yet widely commercialized, Sr₄Ge₂S₈ and related compounds are being investigated for mid-infrared photonics, nonlinear optical devices, and solid-state lighting applications where chalcogenide semiconductors offer advantages over conventional materials in specific wavelength windows.

mid-infrared optics (research)nonlinear optical devices (exploratory)photonic materials (development)solid-state semiconductor researchoptoelectronic component materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	39.32	GPa	—
Shear Modulus(G)	20.93	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.207	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.549	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.

Sr4 Ge2 S8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control