Se2 Sb2 Te1

semiconductor

· Se2 Sb2 Te1

Se₂Sb₂Te₁ is a quaternary chalcogenide semiconductor compound within the selenium-antimony-tellurium family, materials known for their tunable bandgap and phase-change properties. This composition sits in the research domain of advanced thermoelectric and phase-change memory materials, where the balance of Se, Sb, and Te elements is engineered to optimize thermal transport, electrical conductivity, and crystalline switching behavior. While not yet established as a mainstream commercial alloy, compounds in this family are investigated for applications requiring controlled electronic switching, thermal management, or energy conversion at modest temperatures.

phase-change memory devicesthermoelectric cooling/power generationinfrared optics and detectorsthermal interface materialsresearch semiconductorsnon-volatile storage media

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	36.62	GPa	—
Shear Modulus(G)	23.21	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.04410	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2360	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.

Se2 Sb2 Te1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control