TaBeO3 — Properties & Data | MatWorld

TaBeO3

ceramic

· TaBeO3

TaBeO3 is an advanced ceramic compound combining tantalum and beryllium oxides, belonging to the family of mixed-metal oxide ceramics. This material is primarily investigated in research and specialized applications where extreme hardness, high-temperature stability, and chemical inertness are required. It represents an emerging class of ultra-refractory ceramics with potential use in extreme environments where conventional ceramics reach their performance limits.

high-temperature refractory applicationsaerospace thermal protectionnuclear fuel containmentwear-resistant coatingsresearch and development materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	276.6	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3200	-	DFT · OptB88vdW
Shear Modulus(G)	113.1	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	9.920	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.000	eV	DFT · OptB88vdW
↳	0.9030	eV	DFT · TBmBJ
↳	0.000	eV	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)	50.73	-	DFT · TBmBJ
Magnetic Moment(μB)3 entries	0.00100	μB	DFT
↳	-0.2804	μB	DFT
↳	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00263	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00263	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-21.27	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-21.35	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	29.93	%	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.9609	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)3 entries	-1.946	eV/atom	DFT
↳	0.7200	eV/atom	DFT
↳	-1.956	eV/atom	DFT · OptB88vdW

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

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.

TaBeO3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental