HfSiO2N
ceramic· HfSiO2N
HfSiO₂N is an oxynitride ceramic compound combining hafnium, silicon, oxygen, and nitrogen phases, representing a hybrid material class that blends refractory oxide and nitride chemistries. This material is primarily investigated in advanced microelectronics research and high-temperature structural applications, where the nitrogen incorporation enhances thermal stability, mechanical strength, and oxidation resistance compared to conventional hafnium silicates. HfSiO₂N is of particular interest as a gate dielectric alternative and thermal barrier coating candidate in next-generation semiconductor devices and aerospace engines, though it remains largely experimental outside specialized research environments.
advanced gate dielectricsthermal barrier coatingshigh-temperature ceramicssemiconductor materials researchoxidation-resistant coatingsrefractory applications
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | μB | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | 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.