Bi2TeI

ceramic
· JVASP-5260· Bi2TeI

Bi2TeI is a layered ceramic compound belonging to the bismuth chalcohalide family, combining bismuth, tellurium, and iodine in a crystalline structure. This is primarily a research material of interest for thermoelectric and optoelectronic applications, where its layered structure and semiconducting properties are exploited; it represents an emerging class of materials being investigated for solid-state cooling devices, thermal-to-electric energy conversion, and potentially photovoltaic or photodectector systems. The material's notable advantage over conventional thermoelectrics lies in its naturally anisotropic layered architecture, which can be engineered through exfoliation or thin-film processing to enhance performance in specific device geometries.

thermoelectric cooling devicesthermal energy harvesting2D material researchoptoelectronic sensorslaboratory investigationsthin-film electronics

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
Pa
Exfoliation Energy(Eexf)
meV/atom
Poisson's Ratio(ν)
-
Shear Modulus(G)
Pa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Dielectric Constant (Relative Permittivity)(εr)
-
Magnetic Moment(μB)
µB
Piezoelectric Modulus(eij)
C/m²
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
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.