La2Ge2Se7

semiconductor

· La2Ge2Se7

La2Ge2Se7 is a lanthanum germanium selenide compound belonging to the chalcogenide semiconductor family, synthesized for research applications in infrared optics and photonic devices. While primarily a laboratory material rather than a commodity engineering material, this compound is investigated for mid-infrared transmission windows and potential nonlinear optical behavior, making it relevant to specialized applications where conventional semiconductors (Si, GaAs) are opaque. Engineers considering this material would do so for niche photonics research where the chalcogenide family's extended infrared transparency and tunable band structure offer advantages over more conventional alternatives.

infrared optical windowsnonlinear optics researchphotonic device developmentchalcogenide glass alternativesspecialty telecommunications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.080	eV	—

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.

La2Ge2Se7

Electrical Properties

Regulatory Screening

Environmental

Export Control