As2

semiconductor

· As2

As2 is a semiconductor compound in the arsenic family, likely referring to arsenic in a crystalline or thin-film form used in optoelectronic and photovoltaic applications. This material is employed in infrared detectors, solar cells, and integrated circuits where its narrow bandgap and carrier mobility properties enable high-frequency or long-wavelength detection capabilities. As2-based semiconductors are valued in specialized aerospace, defense, and telecommunications applications where conventional silicon alternatives cannot meet performance requirements, though handling requires careful attention to material toxicity and environmental considerations.

infrared detectorsoptoelectronic devicesphotovoltaic cellshigh-frequency integrated circuitsaerospace sensing systemsquantum well structures

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,667.7	ksi	—
Shear Modulus(G)	4,571.6	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00620	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.000	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.

As2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control