Co4 Ta2

semiconductor
· Co4 Ta2

Co₄Ta₂ is an intermetallic compound combining cobalt and tantalum, belonging to the family of transition metal intermetallics with semiconductor characteristics. This material is primarily of research and developmental interest, with potential applications in high-temperature structural systems and electronic devices where the combination of refractory tantalum and magnetic cobalt offers unusual thermal stability and electronic properties compared to conventional alloys.

High-temperature structural intermetallicsAerospace research applicationsElectronic device semiconductorsExperimental superalloy developmentWear-resistant coatings research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
ksi
Shear Modulus(G)
ksi
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

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.