Ta4Cu3Ni9

metal

· JVASP-121579· Ta4Cu3Ni9

Ta4Cu3Ni9 is a quaternary intermetallic compound combining tantalum, copper, and nickel—a research-phase material rather than an established commercial alloy. This composition lies in the tantalum-copper-nickel phase space and represents exploratory work into high-density metallic compounds, likely investigated for their thermal stability, electronic properties, or potential use in specialized high-performance applications where the unique phase chemistry offers advantages over conventional binary or ternary alloys.

High-performance intermetallics (research)Electronic packaging and contactsWear-resistant coatingsHigh-temperature structural applicationsMaterials research and phase development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	11.85	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.02850	eV/atom	—
Formation Energy(ΔHf)	-0.2676	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.

Ta4Cu3Ni9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control