Se1 Sb2 Te2

semiconductor

· Se1 Sb2 Te2

Se1Sb2Te2 is a chalcogenide semiconductor compound composed of selenium, antimony, and tellurium elements. This material belongs to the family of phase-change materials and narrow-bandgap semiconductors that exhibit interesting optical and thermal properties. While primarily investigated in research contexts, chalcogenide semiconductors like this composition are explored for applications requiring tunable electronic behavior, thermal switching capabilities, and mid-infrared optical response.

phase-change memory devicesinfrared optics and sensorsthermal management materialsresearch semiconductorschalcogenide photonics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	34.09	GPa	—
Shear Modulus(G)	21.91	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.1593	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1970	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.

Se1 Sb2 Te2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control