TaCuN2 — Properties & Data | MatWorld

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

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	203.0	GPa	DFT
↳	209.5	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3600	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	62.83	GPa	DFT
↳	91.09	GPa	DFT · OptB88vdW

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, or test environment.

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

Property	Value	Unit	Conditions	Source
Density(ρ)	8.959	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.5780	eV	DFT · OptB88vdW
↳	1.017	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	238.9	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	15.60	-	DFT · OptB88vdW
↳	12.22	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.4867	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.4433	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00468	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00159	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-295.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	164.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.00	%	DFT · TBmBJ

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, or test environment.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1239	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6808	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

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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.

TaCuN2

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