HfWO3

ceramic

· HfWO3

HfWO3 is a mixed-metal oxide ceramic composed of hafnium and tungsten oxides, belonging to the class of refractory and functional ceramic compounds. This material is primarily of research interest rather than established industrial production, investigated for applications requiring high thermal stability, chemical inertness, and potentially interesting electrical or optical properties inherent to tungsten-based oxides. Compared to conventional refractory ceramics, hafnium-tungsten oxide systems are explored for specialized high-temperature environments, advanced catalysis, and potential electronic applications where the combination of a high-melting-point metal (hafnium) with tungsten's variable oxidation states may offer advantages.

high-temperature refractory applicationsresearch and development materialscatalysis and surface chemistryelectronic ceramics (experimental)extreme environment coatings

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	0.2910	μB	—
↳	1.609	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	-1.419	eV/atom	—
↳	1.560	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.

HfWO3

Electrical Properties

Other Properties

Regulatory Screening

Environmental