Sm2 Sb2 Te2

semiconductor

· Sm2 Sb2 Te2

Sm₂Sb₂Te₂ is a ternary chalcogenide semiconductor compound combining samarium, antimony, and tellurium in a layered crystal structure. This material belongs to the rare-earth chalcogenide family and is primarily investigated in research contexts for thermoelectric and optoelectronic applications, where its narrow bandgap and potential for phonon scattering make it attractive for energy conversion and light-emission devices. Engineers consider such materials when conventional semiconductors (Si, GaAs) cannot meet requirements for mid-infrared response, high-temperature stability, or enhanced thermoelectric figure of merit in specialized applications.

thermoelectric power generationinfrared photodetectorsexperimental optoelectronicshigh-temperature semiconductorsresearch-phase materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01950	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.189	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 Sb2 Te2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control