Th2 Bi2 Te2

semiconductor

· Th2 Bi2 Te2

Th₂Bi₂Te₂ is a quaternary intermetallic compound belonging to the thermoelectric and semiconductor material family, combining thorium, bismuth, and tellurium in a layered crystal structure. This compound is primarily of research interest for thermoelectric applications where efficient conversion between thermal and electrical energy is needed, and potentially for advanced semiconductor devices operating at moderate to high temperatures. While not yet established in widespread industrial production, materials in this composition space are being investigated as alternatives to conventional thermoelectrics, with potential advantages in specific temperature ranges or cost structures compared to lead telluride or bismuth telluride-based systems.

Thermoelectric generatorsWaste heat recoveryTemperature sensing semiconductorsResearch and developmentHigh-temperature electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00270	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.9430	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.

Th2 Bi2 Te2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control