Bi2 Sn1 Te4

semiconductor

· Bi2 Sn1 Te4

Bi₂Sn₁Te₄ is a bismuth-tin-telluride compound semiconductor belonging to the chalcogenide family, related to established thermoelectric materials like Bi₂Te₃. This composition represents a doped or alloyed variant in the Bi-Sn-Te system, engineered to optimize thermoelectric performance by tuning carrier concentration and phonon scattering through tin substitution. The material is primarily of research and development interest for thermoelectric applications where improved figure-of-merit or operational temperature range is sought compared to the parent Bi₂Te₃ compound.

thermoelectric cooling/power generationwaste heat recoverytemperature control devicescryogenic applicationsmaterials research—thermoelectrics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00730	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2610	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.

Bi2 Sn1 Te4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control