Dy3TaO7

ceramic

· JVASP-50234· Dy3TaO7

Dy₃TaO₇ is a rare-earth tantalate ceramic compound combining dysprosium (a lanthanide) with tantalum in a mixed-metal oxide structure. This material is primarily investigated in research contexts for high-temperature applications and advanced ceramic systems where thermal stability and refractory properties are valued. While not yet widely deployed in mainstream engineering, dysprosium tantalates belong to a family of materials explored for aerospace thermal barriers, nuclear fuel matrices, and specialized optical or electronic ceramics where rare-earth doping provides unique phase stability or functional properties.

high-temperature ceramics researchrefractory compoundsthermal barrier coatings (experimental)nuclear fuel sciencerare-earth oxide systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3162	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	3.462	eV	DFT · OptB88vdW
Electron Effective Mass(m*e)	2.467	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.317	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00116	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00102	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-299.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	298.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.673	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.

Dy3TaO7 — Properties & Data | MatWorld

Dy3TaO7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental