HfTaO4

ceramic

· JVASP-135096· HfTaO4

HfTaO4 is a hafnium-tantalum oxide ceramic compound that combines two refractory metal oxides to achieve enhanced thermal and mechanical stability. This material is primarily investigated in research contexts for high-temperature structural applications and advanced electronic devices where conventional ceramics reach their performance limits. Its notable advantage lies in the combination of hafnium and tantalum—both exceptionally refractory elements—making it a candidate for extreme thermal environments and specialized applications requiring both chemical inertness and mechanical integrity.

high-temperature structural ceramicsthermal barrier coatingsrefractory applicationsadvanced electronics substratesaerospace thermal protectionresearch and development materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	17,094.1	ksi	DFT · OptB88vdW
Shear Modulus(G)	-210.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3433	lb/in³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.08920	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.236	eV/atom	DFT · OptB88vdW

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.

HfTaO4 — Properties & Data | MatWorld

HfTaO4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental