ErTlSe2

ceramic
· JVASP-79806· ErTlSe2

ErTlSe2 is a ternary ceramic compound combining erbium, thallium, and selenium elements. This is a research-phase material studied primarily in semiconductor and optoelectronic contexts rather than an established commercial ceramic. The material family exhibits potential for infrared applications and narrow-bandgap electronic devices, though industrial adoption remains limited; researchers are investigating its thermal, electrical, and optical properties to assess viability against more mature alternatives like cadmium telluride or lead chalcogenides.

infrared detectors (research)optoelectronic semiconductorsthermal photonics (experimental)rare-earth compound characterizationsolid-state physics researchwide-gap semiconductor alternatives (exploratory)

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
0.2789
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
1.298
eV
Dielectric Constant (Relative Permittivity)(εr)
25.32
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)
0.000
C/m²
Seebeck Coefficient(S)
-331.7
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-1.435
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.
ErTlSe2 — Properties & Data | MatWorld