Co2 Ta4

semiconductor

· Co2 Ta4

Co₂Ta₄ is an intermetallic compound in the cobalt-tantalum system, representing a research-phase material with semiconductor characteristics. This material belongs to the family of transition metal intermetallics being investigated for high-temperature structural and electronic applications where the combination of cobalt's ferromagnetic properties and tantalum's refractory strength could provide advantages. As an experimental compound, Co₂Ta₄ is primarily studied in materials research contexts rather than established industrial production, with potential relevance to advanced aerospace, high-temperature electronics, or specialty alloy development programs seeking novel material combinations.

high-temperature intermetallic researchrefractory alloy developmentsemiconductor compound explorationaerospace material screeningthin-film deposition researchmaterials discovery and characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	226.4	GPa	—
Shear Modulus(G)	74.83	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000300	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2640	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.

Co2 Ta4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control