TaCuN2

metal
· TaCuN2

TaCuN2 is a ternary transition metal nitride compound combining tantalum, copper, and nitrogen, representing an experimental material within the refractory metal nitride family. This material class is investigated primarily for wear-resistant coatings and high-hardness surface treatments, where the nitride phase provides exceptional hardness while copper addition may enhance thermal conductivity or machinability compared to binary alternatives like TaN. Engineers would consider this compound for demanding applications requiring corrosion resistance, thermal stability, and surface protection in harsh environments, though its performance and manufacturability characteristics remain research-focused rather than established in mainstream industrial production.

wear-resistant coatingscutting tool surfacescorrosion barriersresearch/experimental materialsthin-film applicationsrefractory protection

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
203.0
GPa—
↳
209.5
GPa—
Poisson's Ratio(ν)
0.3600
-—
Shear Modulus(G)2 entries
62.83
GPa—
↳
91.09
GPa—
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
8.959
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.5780
eV—
Dielectric Constant (Relative Permittivity)(εr)
238.9
-—
Magnetic Moment(μB)
0.000
µB—
Piezoelectric Modulus(eij)
0.000
C/m²—
Seebeck Coefficient(S)
-295.1
µV/K—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.1239
eV/atom—
Formation Energy(ΔHf)
-0.6808
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.