Co4 As4

semiconductor
· Co4 As4

Co₄As₄ is a cobalt arsenide semiconductor compound belonging to the transition metal pnictide family, characterized by a stoichiometric 1:1 cobalt-to-arsenic ratio. This material is primarily of research and exploratory interest, investigated for its potential in thermoelectric applications, magnetism studies, and next-generation semiconductor devices due to the electronic properties arising from cobalt-arsenic interactions. While not yet widely commercialized, cobalt arsenides represent a promising class of materials for high-temperature thermoelectric conversion and spintronic applications where the combination of metallic and semiconducting character offers advantages over conventional silicon or III-V semiconductors.

thermoelectric materials researchhigh-temperature semiconductorsmagnetism and spintronicsphase-change device developmentexperimental electronicsmaterials characterization studies

Compliance & Regulations

?ITAR?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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Pa——
Shear Modulus(G)
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Pa——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
—
eV/atom——
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

Quality & Standards

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.