Li1 Se2 Er1

semiconductor

· Li1 Se2 Er1

Li₁Se₂Er₁ is an experimental ternary semiconductor compound combining lithium, selenium, and erbium. This material belongs to the family of rare-earth selenides and is primarily of research interest for its potential optoelectronic and photonic properties rather than established industrial production. The incorporation of erbium—a lanthanide element—suggests possible applications in infrared photonics and quantum materials, making it a candidate material for emerging technologies where conventional semiconductors reach performance limits.

infrared photonics (research)quantum materials (exploratory)rare-earth optoelectronicssolid-state light sources (development phase)advanced materials researchsemiconductor physics experimentation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	6,852.2	ksi	—
Shear Modulus(G)	4,276.7	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.649	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.782	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.

Li1 Se2 Er1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control