BaTe2
ceramic· BaTe2
BaTe2 is a barium telluride ceramic compound belonging to the chalcogenide ceramic family, characterized by ionic bonding between barium cations and tellurium anions. This material is primarily of research and development interest for thermoelectric and optoelectronic applications, where its moderate mechanical stiffness and thermal properties make it a candidate for energy conversion devices and infrared optical systems. Engineers would consider BaTe2 in specialized contexts requiring materials with combined electrical conductivity and mechanical stability at elevated temperatures, though it remains less commercially established than competing thermoelectric ceramics like bismuth telluride.
thermoelectric generatorsinfrared optical componentshigh-temperature semiconductor applicationsresearch materialsenergy harvesting devices
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 32.44 | GPa | — | ||
Poisson's Ratio(ν) | 0.2800 | - | — | ||
Shear Modulus(G) | 17.95 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.547 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.6130 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 13.33 | - | — | ||
| ↳ | 12.68 | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -274.8 | 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) | 0.00730 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.264 | 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.