Tb2Be2O5 — Properties & Data | MatWorld

Tb2Be2O5

ceramic

· JVASP-37329· Tb2Be2O5

Tb2Be2O5 is a rare-earth beryllium oxide ceramic compound combining terbium and beryllium oxides, belonging to the family of mixed rare-earth ceramics. This material is primarily of research and development interest rather than widespread industrial production, with potential applications in high-temperature structural ceramics and specialized optical or thermal management systems where rare-earth dopants are valued. Its combination of beryllium oxide (known for exceptional thermal conductivity and high stiffness) with terbium (a lanthanide offering unique luminescent and magnetic properties) makes it a candidate for advanced engineering applications requiring tailored thermal, mechanical, or functional properties in demanding environments.

high-temperature ceramicsthermal management systemsresearch applicationsrare-earth ceramicsrefractory materialsspecialized optical coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	27,989.4	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4000	-	DFT · OptB88vdW
Shear Modulus(G)	15,706.1	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2823	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.540	eV	DFT · OptB88vdW
↳	3.878	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	48.33	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.750	-	DFT · OptB88vdW
↳	3.883	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000810	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00141	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-122.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	260.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.1200	%	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)	0.2782	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.182	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.

Tb2Be2O5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental