TaPO5 — Properties & Data | MatWorld

TaPO5

ceramic

· JVASP-45603· TaPO5

TaPO₅ is a tantalum phosphate ceramic compound belonging to the family of phosphate ceramics, which are known for chemical stability and thermal properties. This material is primarily investigated in research contexts for applications requiring corrosion resistance, thermal insulation, or specialized optical/electronic functions, particularly in extreme or chemically aggressive environments where traditional oxides may degrade.

thermal barrier coatingscorrosion-resistant coatingshigh-temperature ceramicschemical processing equipmentresearch and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.312	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.848	eV	DFT · OptB88vdW
↳	4.956	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.210	-	DFT · OptB88vdW
↳	2.200	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.947	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.470	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00170	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00174	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-371.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	413.8	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)	0.09010	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.616	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.

TaPO5

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental