Si2As — Properties & Data | MatWorld

Si2As

ceramic

· JVASP-135683· Si2As

Si₂As is a ceramic compound in the silicon-arsenic family, representing a semiconducting or refractory ceramic material with potential applications in high-temperature or electronic contexts. This material is not widely commercialized in mainstream engineering; it appears primarily in research and materials development settings exploring silicon-arsenic phases for specialized applications. Engineers would consider this material in niche scenarios requiring the specific thermal, mechanical, or electronic properties of silicon-arsenic ceramics, though conventional alternatives (silicon carbide, alumina) dominate most industrial ceramic applications.

semiconductor researchhigh-temperature ceramicsrefractory applicationsmaterials science prototypingspecialized electronic devicesphase-diagram exploration

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	72.54	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)	41.51	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.634	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
Magnetic Moment(μB)	µB	DFT · OptB88vdW

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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.4518	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.4123	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.

Si2As

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental