Ge1 Bi4 Te7

semiconductor

· Ge1 Bi4 Te7

Ge₁Bi₄Te₇ is a bismuth telluride-germanium compound belonging to the chalcogenide semiconductor family, synthesized primarily for thermoelectric applications. This material is investigated in research contexts for solid-state cooling and power generation systems due to its potentially favorable Seebeck coefficient and thermal conductivity trade-offs in the narrow-gap semiconductor regime. While not widely deployed in high-volume industrial applications, compounds in this family are evaluated as alternatives or complements to commercial Bi₂Te₃-based thermoelectrics for specialized thermal management where composition tuning offers performance advantages.

thermoelectric cooling deviceswaste heat recovery systemssolid-state power generationthermal management researchniche semiconductor applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.08970	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2120	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.

Ge1 Bi4 Te7

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control