Ge2 Se4

semiconductor

· Ge2 Se4

Ge₂Se₄ is a binary chalcogenide semiconductor compound belonging to the germanium-selenium family, which exhibits glass-forming and crystalline phases depending on composition and processing conditions. This material is primarily investigated in research contexts for infrared optics, phase-change memory applications, and as a component in chalcogenide glass systems; its notable attributes include transparency in the mid-to-far infrared spectrum and potential for nonlinear optical devices, making it of interest where conventional semiconductors fall short in the IR region.

infrared optics and lensesphase-change memory deviceschalcogenide glass researchnonlinear optical componentsthermal imaging windowsexperimental photonic materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	24.02	GPa	—
Shear Modulus(G)	16.43	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.236	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2270	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.

Ge2 Se4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control