HoHfO3

ceramic
· HoHfO3

HoHfO3 is a rare-earth hafnium oxide ceramic compound combining holmium and hafnium oxides, representing an advanced material within the family of high-entropy and mixed rare-earth oxides. This composition is primarily of research interest for applications requiring extreme thermal stability and high-temperature dielectric properties, particularly in next-generation microelectronics and thermal barrier coatings where conventional materials approach their performance limits. The holmium-hafnium oxide system is notable for its potential to offer improved phase stability and thermal cycling resistance compared to single-component oxides, making it relevant for engineers evaluating materials for ultra-high-temperature environments or advanced semiconductor gate dielectrics.

thermal barrier coatingshigh-temperature ceramicsadvanced gate dielectricsaerospace thermal protectionresearch/experimental materials

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Magnetic Moment(μB)
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μB——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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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.