ThHfO3 — Properties & Data | MatWorld

ThHfO3

ceramic

· ThHfO3

ThHfO3 is a mixed-oxide ceramic compound combining thorium and hafnium oxides, belonging to the family of high-entropy and refractory oxide ceramics. This material is primarily of research interest for extreme-temperature applications where conventional refractories reach their limits, particularly in nuclear fuel matrices, thermal barrier coatings, and advanced reactor systems where exceptional chemical stability and high melting point are required. Compared to conventional refractories like alumina or yttria-stabilized zirconia, thorium-hafnium mixed oxides offer enhanced resistance to thermal shock and potential advantages in nuclear containment scenarios, though broader industrial adoption remains limited pending cost optimization and performance validation.

nuclear fuel materialsthermal barrier coatingsrefractory liningshigh-temperature oxidation resistanceadvanced reactor systemsresearch/development ceramics

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · PBE
Magnetic Moment(μB)	0.00200	μB	DFT

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.036	eV/atom	DFT

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

ThHfO3

Electrical Properties

Other Properties

Regulatory Screening

Environmental