Te2O5 — Properties & Data | MatWorld

Te2O5

ceramic

· Te2O5

Te₂O₅ is a tellurium oxide ceramic compound that belongs to the tellurate family of ceramics. It is primarily of research and development interest rather than an established industrial material, with potential applications in optical and electronic devices where tellurium oxides are explored for their semiconducting and photonic properties. Engineers consider tellurium oxide ceramics for niche applications requiring specific refractive indices, thermal stability, or specialized electrical behavior, though commercial adoption remains limited compared to more conventional oxide ceramics.

optical glass researchsemiconductor device substratesthermal barrier coatings (experimental)photonic materials developmenthigh-temperature electronics

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	46.22	GPa	DFT
↳	60.61	GPa	DFT · OptB88vdW
↳	44.71	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	2.915	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)2 entries	0.1800	-	DFT · OptB88vdW
↳	0.1650	-	DFT · PBE
Shear Modulus(G)3 entries	38.79	GPa	DFT
↳	49.01	GPa	DFT · OptB88vdW
↳	38.51	GPa	DFT · PBE

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
Density(ρ)	5.579	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.847	eV	DFT · OptB88vdW
↳	2.743	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	18.59	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.407	-	DFT · OptB88vdW
↳	3.990	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.5213	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00130	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000712	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-247.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	373.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	8.160	%	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)	0.000800	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.9886	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.

Te2O5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental