Si3As — Properties & Data | MatWorld

Si3As

ceramic

· JVASP-37225· Si3As

Si₃As is a silicon arsenide ceramic compound belonging to the family of binary semiconductors and refractory ceramics. This material is primarily of research and development interest rather than established industrial production, with potential applications in high-temperature electronics, wide-bandgap semiconductor devices, and specialized optoelectronic systems where silicon-based materials need enhanced thermal or electronic performance. Engineers would consider this compound for niche applications requiring extreme thermal stability or specific bandgap properties that conventional silicon cannot provide, though limited commercial availability and processing maturity mean it remains largely in the experimental/academic stage.

Wide-bandgap semiconductorsHigh-temperature electronicsResearch optoelectronicsRefractory ceramicsThermal management compoundsExperimental semiconductor devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.864	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	1.500e-7	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	6.000e-8	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	0.07000	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.05000	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.7273	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.6964	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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.

Si3As

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental