Sm2 Se4

semiconductor

· Sm2 Se4

Sm₂Se₄ is a rare-earth metal selenide compound belonging to the lanthanide chalcogenide family, combining samarium with selenium in a stoichiometric ratio. This material is primarily of research interest rather than established commercial production, investigated for its potential in optoelectronic and photonic applications due to the electronic properties characteristic of rare-earth semiconductors. The samarium-selenium system is studied as part of broader efforts to develop materials for infrared absorption, photovoltaic devices, and potential thermoelectric applications where rare-earth element contributions to bandgap engineering are valuable.

infrared optical materialsresearch semiconductorsrare-earth optoelectronicsphotovoltaic developmentthermoelectric materials researchspectroscopic device components

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01240	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.689	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.

Sm2 Se4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control