Si3 As4

semiconductor
· Si3 As4

Si₃As₄ is an experimental III-V semiconductor compound combining silicon and arsenic in a fixed stoichiometric ratio, belonging to the broader family of binary and ternary semiconductors used in optoelectronic and high-frequency device research. While not yet commercialized at scale, materials in this compositional space are investigated for potential applications in photovoltaic devices, light-emitting applications, and high-speed electronic circuits where the bandgap and carrier mobility characteristics could offer advantages over conventional semiconductors. Engineers considering this material should recognize it as a research-phase compound; its practical viability depends on synthesis methods, defect control, and competitive positioning against established alternatives like GaAs or silicon-based heterostructures.

experimental photovoltaicsoptoelectronic device researchhigh-frequency semiconductorscompound semiconductor developmentlaboratory-scale applications

Compliance & Regulations

?ITAR?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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ksi——
Shear Modulus(G)
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ksi——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Verified Unverified Low confidence (<80%) Link to source
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Formation Energy(ΔHf)
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eV/atom——
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

Quality & Standards

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.
Si3 As4 — Properties & Data | MatWorld