Tl3AsSe3

semiconductor
· Tl3AsSe3

Tl₃AsSe₃ is a ternary chalcogenide semiconductor compound combining thallium, arsenic, and selenium in a layered crystal structure. This material belongs to the family of narrow-bandgap semiconductors and is primarily investigated in research contexts for its potential in infrared optoelectronics and thermoelectric applications, where its composition offers tunable electronic and thermal properties distinct from binary semiconductor alternatives.

infrared detectors and sensorsthermoelectric energy conversionphotovoltaic researchnonlinear optical applicationsexperimental semiconductor devicesmaterials research and characterization

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
3,235.8
ksi
Poisson's Ratio(ν)
0.3600
-
Shear Modulus(G)
984.8
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.2661
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
1.300
eV
0.6960
eV
Dielectric Constant (Relative Permittivity)(εr)
26.51
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)
0.3460
C/m²
Seebeck Coefficient(S)
-138.1
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
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.3238
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.
Tl3AsSe3 — Properties & Data | MatWorld