Ba4 Bi2

semiconductor

· Ba4 Bi2

Ba₄Bi₂ is an intermetallic compound combining barium and bismuth, belonging to the class of rare-earth and post-transition metal semiconductors under active research investigation. This material is primarily of academic and exploratory interest rather than established in high-volume industrial production, with potential applications in thermoelectric devices, optoelectronics, and solid-state physics research where the electronic structure of bismuth-containing phases offers unique band gap and carrier transport characteristics.

thermoelectric research devicessemiconductor physics studiesemerging optoelectronicshigh-temperature materials researchsolid-state chemistry explorationexperimental electronic compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.02770	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.8530	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.

Ba4 Bi2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control