Te4W3Se2

metal
· JVASP-28573· Te4W3Se2

Te4W3Se2 is a mixed chalcogenide compound combining tungsten with tellurium and selenium—a material family that bridges traditional metallurgy and semiconductor science. This composition is primarily of research and development interest rather than established industrial production; such tellurium-tungsten-selenium systems are investigated for potential applications in thermoelectric energy conversion, thin-film electronics, and specialized optical devices where the layered chalcogenide structure may offer tunable electronic properties. Engineers considering this material should recognize it as an emerging compound requiring custom synthesis and characterization for specific advanced applications rather than a commodity material with mature supply chains.

thermoelectric devicesthin-film semiconductorsexperimental electronicschalcogenide opticsresearch prototyping

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
37.71
ksi
Poisson's Ratio(ν)
0.09000
-
Shear Modulus(G)
42.06
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.2291
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.3680
eV
Dielectric Constant (Relative Permittivity)(εr)
13.30
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)
0.07777
C/m²
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.2037
eV/atom
Formation Energy(ΔHf)
-0.1530
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

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.
Te4W3Se2 — Properties & Data | MatWorld