Er4 Ag4 Se8

semiconductor

· Er4 Ag4 Se8

Er₄Ag₄Se₈ is a quaternary semiconductor compound combining rare-earth (erbium), noble metal (silver), and chalcogen (selenium) elements. This material is primarily of research interest rather than established in production, belonging to the family of rare-earth chalcogenides that show promise for optoelectronic and thermoelectric applications due to their tunable band structure and potential for photonic device integration.

optoelectronic research materialsthermoelectric device developmentphotonic integrated circuitsrare-earth compound characterizationinfrared optical applicationssemiconductor research prototyping

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	57.56	GPa	—
Shear Modulus(G)	24.27	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.255	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.238	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.

Er4 Ag4 Se8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control