Co4 As12

semiconductor

· Co4 As12

Co₄As₁₂ is a cobalt arsenide intermetallic compound belonging to the semiconducting skutterudite family, characterized by a cage-like crystal structure with cobalt and arsenic atoms. This material is primarily investigated in thermoelectric research and advanced semiconductor applications where its structural properties and electronic behavior offer potential for high-temperature energy conversion and thermal management devices.

thermoelectric power generationwaste heat recoveryhigh-temperature semiconductor devicesmaterials research and developmentthermal management systemsskutterudite-based applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	16,345.8	ksi	—
Shear Modulus(G)	12,104.9	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.02050	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2710	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 As12

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control