Th2 Bi4

semiconductor

· Th2 Bi4

Th2Bi4 is a rare-earth intermetallic compound combining thorium and bismuth in a 1:2 stoichiometric ratio, belonging to the class of bismuth-based intermetallics with potential semiconductor or semimetal characteristics. This material is primarily of research and academic interest, investigated for its electronic properties and crystal structure rather than established in commercial production. Its potential applications would likely emerge in specialized thermoelectric devices, quantum materials research, or high-temperature electronic applications where bismuth compounds offer unique band structure benefits.

thermoelectric researchquantum materials studiesintermetallic semiconductorsrare-earth compound researchexperimental electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01410	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5720	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 Bi4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control