Bi2TeSe2

ceramic
· JVASP-100850· Bi2TeSe2

Bi2TeSe2 is a layered bismuth chalcogenide ceramic compound belonging to the family of topological materials and narrow-bandgap semiconductors. This material is primarily investigated in research contexts for thermoelectric and optoelectronic applications, where its layered crystal structure and electronic properties make it relevant for solid-state energy conversion and advanced photonic devices. Its weak interlayer bonding distinguishes it from conventional ceramics and positions it as a candidate for exfoliated thin-film applications in next-generation electronics and quantum materials research.

thermoelectric devicestopological material researchtwo-dimensional semiconductorsinfrared detectorsenergy harvestingquantum electronics

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
5,074.9
ksi
Exfoliation Energy(Eexf)
71.99
meV/atom
Poisson's Ratio(ν)
0.2500
-
Shear Modulus(G)
3,203.9
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.2682
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.2950
eV
Dielectric Constant (Relative Permittivity)(εr)
109.4
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)
0.000
C/m²
Seebeck Coefficient(S)
-207.7
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.3656
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.