AcHfO3

ceramic

· AcHfO3

AcHfO3 is a hafnium-based oxide ceramic compound with a perovskite or perovskite-related crystal structure, combining hafnium with oxygen and likely an A-site cation (Ac denoting the A-site element). This material is primarily of research interest rather than established industrial production, investigated for its potential in high-temperature applications, radiation shielding, and advanced ceramics where hafnium's excellent thermal stability and neutron absorption properties are valued. Compared to more conventional refractory oxides, hafnium-based compounds offer superior performance in extreme environments, though they remain less common than zirconia or alumina in production applications due to cost and processing complexity.

high-temperature ceramics researchnuclear reactor shieldingrefractory coating developmentradiation-resistant materialsadvanced ceramics prototypingthermal barrier coatings (experimental)

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	μB	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.414	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.

AcHfO3

Electrical Properties

Other Properties

Regulatory Screening

Environmental