CaHfN2
ceramic· JVASP-78796· CaHfN2
Calcium hafnium nitride (CaHfN₂) is an advanced ceramic compound combining alkaline-earth and refractory metal nitride chemistry, representative of ternary nitride ceramics being investigated for high-temperature and extreme-environment applications. This material remains largely in the research phase but belongs to a family of hard ceramics explored for wear resistance, thermal stability, and potential semiconductor applications where hafnium's refractory properties and nitrogen bonding create exceptional thermal and chemical durability.
high-temperature structural ceramicswear-resistant coatingsrefractory applicationsresearch compoundssemiconductor substratesthermal barrier materials
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.845 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.6280 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 81.78 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -180 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.839 | 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.