Au2 Bi2 Na4

semiconductor

· Au2 Bi2 Na4

Au2Bi2Na4 is an intermetallic compound combining gold, bismuth, and sodium—a rare quaternary phase that falls outside conventional industrial material systems. This is primarily a research compound studied for its electronic structure and potential thermoelectric or optoelectronic properties, rather than an established engineering material with broad commercial deployment.

Experimental thermoelectric researchSemiconductor physics studiesLow-dimensional electronic systemsMaterials discovery (laboratory only)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.02730	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4080	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.

Au2 Bi2 Na4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control