SiAsAu

metal
· JVASP-75847· SiAsAu

SiAsAu is an intermetallic compound combining silicon, arsenic, and gold elements, representing a rare ternary system primarily of research interest rather than established industrial production. This material belongs to the family of precious-metal intermetallics and is likely investigated for specialized electronic or thermal applications where the unique combination of a refractory element (Si), a metalloid (As), and a noble metal (Au) may offer distinctive properties. Limited commercial availability and use suggest this is an experimental composition whose practical applications remain under investigation in materials science laboratories.

research and developmentintermetallic compoundselectronic materials (experimental)high-temperature contacts (potential)semiconductor interfaces (potential)gold-based alloys

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
176.9
ksi
Shear Modulus(G)
287.2
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.2929
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
0.000
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.3311
eV/atom
Formation Energy(ΔHf)
0.2931
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.
SiAsAu — Properties & Data | MatWorld