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
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 213.9 | GPa | — | ||
Poisson's Ratio(ν) | 0.4700 | - | — | ||
Shear Modulus(G) | 69.63 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 10.57 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.951 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 225.1 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.7342 | C/m² | — | ||
Seebeck Coefficient(S) | -259.7 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1604 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.809 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
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.