Na4 Bi8 Au4 O20

semiconductor

· Na4 Bi8 Au4 O20

Na4Bi8Au4O20 is an experimental mixed-metal oxide semiconductor compound containing sodium, bismuth, and gold in a structured anionic framework. This material belongs to the emerging class of complex oxide semiconductors and is primarily of research interest rather than established industrial production. Its potential applications lie in advanced optoelectronics, photocatalysis, and solid-state devices where the combination of heavy metal elements (Bi, Au) and tunable electronic properties could offer advantages over conventional binary or ternary semiconductors; however, it remains largely in the laboratory phase with limited commercial deployment.

photocatalytic materials (research)optoelectronic devices (experimental)solid-state semiconductors (laboratory)bismuth-based compoundsmixed-metal oxide frameworks

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	80.96	GPa	—
Shear Modulus(G)	33.27	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.9961	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.172	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.

Na4 Bi8 Au4 O20

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control