CaTcN3

ceramic

· CaTcN3

CaTcN₃ is an experimental ceramic compound combining calcium, tantalum, and nitrogen, belonging to the family of transition metal nitride ceramics. This material is primarily of research interest for its potential as a high-hardness, refractory ceramic suitable for extreme-environment applications where conventional oxides fall short. While not yet established in mainstream industrial production, tantalum nitride-based ceramics are investigated for cutting tools, wear-resistant coatings, and high-temperature structural applications where chemical stability and hardness are critical.

research and developmentrefractory ceramicshard coatingshigh-temperature materialswear resistanceadvanced ceramics exploration

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1561	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.5870	eV	DFT · OptB88vdW
↳	0.4900	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	15.96 range 12.99–18.94median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	13.88	-	DFT · OptB88vdW
↳	13.48	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00222	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00175	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-331.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	320.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	14.73	%	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5682	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

Environmental

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.

CaTcN3 — Properties & Data | MatWorld

CaTcN3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental