HfReO3

ceramic

· HfReO3

HfReO3 is a complex ceramic oxide compound combining hafnium, rhenium, and oxygen—a high-entropy or multicomponent oxide material that belongs to the class of advanced refractory ceramics. This material is primarily of research interest rather than established industrial production, being investigated for extreme-environment applications where conventional ceramics fail due to its potential for exceptional thermal stability, oxidation resistance, and mechanical retention at ultrahigh temperatures. Engineers consider such hafnium–rhenium oxide compositions as candidates for next-generation aerospace thermal protection systems, nuclear reactor components, and hypersonic vehicle leading edges where combination of refractory properties with chemical durability is critical.

hypersonic vehicle protectionnuclear reactor claddingthermal barrier coatingsultrahigh-temperature structural applicationsresearch-phase aerospace materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)2 entries	0.06800	μB	—
↳	0.02082	μB	—

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)2 entries	-1.107	eV/atom	—
↳	1.300	eV/atom	—

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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.

HfReO3

Electrical Properties

Other Properties

Regulatory Screening

Environmental