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.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 31,026.5 | ksi | — | ||
Poisson's Ratio(ν) | 0.4700 | - | — | ||
Shear Modulus(G) | 10,099 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.3818 | lb/in³ | — |
| 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 | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1604 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.809 | eV/atom | — |