SiAs2

semiconductor
· SiAs2

SiAs₂ is a layered semiconductor compound composed of silicon and arsenic, belonging to the class of binary chalcogenide-like materials with potential for two-dimensional applications. This material is primarily of research interest rather than established industrial use, investigated for its electronic and optoelectronic properties in emerging nanoelectronics, particularly as a candidate for thin-film transistors, photodetectors, and layered heterostructure devices. SiAs₂ is notable within the silicon-arsenide family for its layered crystal structure, which makes it amenable to exfoliation into ultrathin sheets for quantum materials research and next-generation semiconductor applications where tunable bandgap and layer-dependent properties are advantageous.

research semiconductorsthin-film transistorsphotodetectors2D materials engineeringnanoelectronics prototypingoptoelectronic devices

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Exfoliation Energy(Eexf)
78.56
meV/atom—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
4.142
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
0.8800
eV—
↳
0.8720
eV—
Dielectric Constant (Relative Permittivity)(εr)
14.83
-—
Magnetic Moment(μB)
0.000
µB—
Piezoelectric Modulus(eij)
0.000
C/m²—
Seebeck Coefficient(S)
-183.9
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)
0.000
eV/atom—
Formation Energy(ΔHf)
-0.05220
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.