Er2 Se4

semiconductor

· Er2 Se4

Er₂Se₄ is a rare-earth selenide semiconductor compound belonging to the family of lanthanide chalcogenides. This material is primarily investigated in research contexts for its potential in optoelectronic and photonic applications, particularly where mid-infrared emission and luminescence properties are desired. While not yet widely deployed in mainstream industrial production, rare-earth selenides like Er₂Se₄ are of interest to researchers developing advanced light sources, infrared detectors, and potential quantum materials where the combination of rare-earth electronic structure and chalcogenide host provides unique optical and electronic characteristics.

infrared optoelectronics (research)rare-earth luminescent materialsphotonic device developmentquantum materials researchsemiconductor thin films

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	82.76	GPa	—
Shear Modulus(G)	39.79	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00760	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.611	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.

Er2 Se4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control