Be4TeO7
ceramic· Be4TeO7
Be₄TeO₇ is an advanced oxide ceramic compound combining beryllium and tellurium oxides, representing a specialized material within the family of complex metal tellurites. While primarily a research compound rather than a high-volume industrial material, beryllium tellurate ceramics are investigated for applications requiring combinations of thermal stability, optical transparency, and structural rigidity in demanding environments. This material family shows particular promise in specialized optics, high-temperature applications, and advanced sensor systems where conventional ceramics face limitations.
optical windows and lenseshigh-temperature structural ceramicsspecialty optics researchadvanced thermal managementradiation-resistant componentsresearch and development
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | ksi | — | — | |
Poisson's Ratio(ν) | — | - | — | — | |
Shear Modulus(G) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | lb/in³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Dielectric Constant (Relative Permittivity)(εr)2 entries | — | - | — | — | |
| ↳ | — median of 2 measurements | - | — | — | |
Magnetic Moment(μB) | — | µB | — | — | |
Piezoelectric Modulus(eij)2 entries | — | C/m² | — | — | |
| ↳ | — | C/m² | — | — | |
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | — | |
Seebeck Coefficient(S) | — | µV/K | — | — |
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.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
Formation Energy(ΔHf) | — | eV/atom | — | — |
Verified Unverified Low confidence (<80%) Link to source
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.