Co4 As8

semiconductor

· Co4 As8

Co₄As₈ is a cobalt arsenide compound classified as a semiconductor, belonging to the family of metal pnictide materials studied for their electronic and structural properties. This material is primarily of research and developmental interest rather than established in high-volume industrial production, with investigation focused on its potential in thermoelectric and optoelectronic applications where the cobalt-arsenic composition offers unique band structure characteristics. As a compound semiconductor, Co₄As₈ is notable within materials science for exploring alternatives to conventional semiconductors, though practical engineering adoption remains limited pending further development and characterization of device-level performance.

thermoelectric energy conversion (research phase)semiconductor research and developmentoptoelectronic device explorationmaterials science compound studymetal pnictide materialssolid-state physics applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	130.4	GPa	—
Shear Modulus(G)	95.57	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00390	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3030	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.

Co4 As8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control