HfTaNO3

ceramic

· JVASP-35892· HfTaNO3

HfTaNO3 is a ceramic compound combining hafnium, tantalum, nitrogen, and oxygen—a refractory ceramic in the high-entropy or complex oxide family. This is a research-phase material investigated for extreme-environment applications where thermal stability, hardness, and chemical resistance are critical; it represents the broader class of transition-metal nitride and oxide ceramics engineered for next-generation aerospace and wear-resistant components.

high-temperature coatingsrefractory applicationsaerospace engine componentswear-resistant surfacesresearch ceramicsthermal barrier systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	31,026.5	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4700	-	DFT · OptB88vdW
Shear Modulus(G)	10,099	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3818	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.956	eV	DFT · OptB88vdW
↳	4.007	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	225.1	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.632	-	DFT · OptB88vdW
↳	5.154	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.7342	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.01000	%	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)	0.1604	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.809	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.

HfTaNO3 — Properties & Data | MatWorld

HfTaNO3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental