Ag3SI

metal
· Ag3SI

Ag₃Si is an intermetallic compound composed of silver and silicon, belonging to the family of metal-silicon compounds that exhibit both metallic and semiconductor-like characteristics. This material is primarily of research and developmental interest rather than established in high-volume industrial production. Ag₃Si is investigated for potential applications in microelectronics, photovoltaics, and advanced interconnect systems where the combination of silver's excellent electrical conductivity and silicon's semiconducting properties could offer advantages; however, it remains largely experimental and competes with more mature alternatives like pure silver contacts, silver-copper alloys, and established solder systems in practical engineering applications.

Research and developmentMicroelectronic contactsSolar cell metallizationSemiconductor interconnectsAdvanced material exploration

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
50.38
GPa—
Exfoliation Energy(Eexf)
42.33
meV/atom—
Poisson's Ratio(ν)
0.4000
-—
Shear Modulus(G)
11.05
GPa—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
6.807
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.5910
eV—
Dielectric Constant (Relative Permittivity)(εr)
15.93
-—
Magnetic Moment(μB)
0.000
µB—
Piezoelectric Modulus(eij)2 entries
0.2874
C/m²—
↳
0.2184
C/m²—
Piezoelectric Stress Tensor(eij)
Matrix (redacted)
C/m²—
Seebeck Coefficient(S)
-63.17
µV/K—
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.02750
eV/atom—
Formation Energy(ΔHf)
-0.1006
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.