Yb2 Bi4 Te8

semiconductor
· Yb2 Bi4 Te8

Yb₂Bi₄Te₈ is a ternary compound semiconductor composed of ytterbium, bismuth, and tellurium, belonging to the family of layered chalcogenide materials. This material is primarily investigated as a thermoelectric compound for solid-state heat-to-electricity conversion and cooling applications, where bismuth telluride-based systems are well-established but performance is continually optimized through rare-earth doping and compositional engineering. The ytterbium incorporation is designed to reduce thermal conductivity and enhance the thermoelectric figure of merit compared to conventional Bi₂Te₃ compositions, making it relevant for waste-heat recovery, portable refrigeration, and specialized thermal management where conventional cooling systems are impractical.

thermoelectric power generationsolid-state cooling moduleswaste heat recoverylow-temperature refrigerationthermal management for electronicsresearch and advanced materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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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.