PrTa3O9

ceramic

· JVASP-25001· PrTa3O9

PrTa3O9 is a rare-earth tantalum oxide ceramic compound combining praseodymium (Pr) with tantalum pentoxide, belonging to the family of complex mixed-metal oxides. This is primarily a research and development material investigated for high-temperature applications, particularly in contexts where tantalate ceramics are valued for their refractory properties and chemical stability. While not yet widely deployed in mainstream engineering, materials in this family are explored for advanced thermal management, electronic substrates, and specialized environments requiring resistance to thermal shock and chemical corrosion.

refractory coatingshigh-temperature ceramicsthermal barrier materialselectronic substratesresearch compoundsspecialized oxide ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2895	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.341	eV	DFT · OptB88vdW
↳	4.344	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.465	-	DFT · OptB88vdW
↳	4.353	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00182	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000346	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-272.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	407.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	DFT · TBmBJ

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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.241	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.

PrTa3O9 — Properties & Data | MatWorld

PrTa3O9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental