Na4 As2 Ag2

semiconductor

· Na4 As2 Ag2

Na₄As₂Ag₂ is an intermetallic compound combining sodium, arsenic, and silver, representing a mixed-valence semiconducting phase within the sodium-arsenic-silver ternary system. This is a research-phase material with limited commercial application; it belongs to the family of complex intermetallics being investigated for potential thermoelectric, optoelectronic, or solid-state electronic applications where mixed-metal coordination offers unique electronic band structures.

thermoelectric materials (research)semiconductor physics researchsolid-state device developmentintermetallic compound studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.8028	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4230	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 As2 Ag2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control