HoTlS2

ceramic
· JVASP-36126· HoTlS2

HoTlS₂ is a rare-earth thallium sulfide ceramic compound combining holmium and thallium in a sulfide matrix, representing an experimental material in the family of chalcogenide ceramics. This material is primarily of research interest for potential applications in solid-state electronics, photonics, and thermal management systems where the unique electronic properties of rare-earth chalcogenides may offer advantages over conventional ceramics. Engineers would consider this compound in specialized applications requiring specific bandgap engineering or thermal transport properties, though its practical use remains limited to laboratory and development environments given the toxicity and reactivity concerns associated with thallium-containing systems.

photonic devices (experimental)solid-state electronics researchthermoelectric materials developmentoptical coatings (research phase)thermal management systems (advanced applications)

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
51.04
GPa—
Poisson's Ratio(ν)
0.2600
-—
Shear Modulus(G)
30.87
GPa—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
6.964
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
1.544
eV—
Dielectric Constant (Relative Permittivity)(εr)
27.19
-—
Magnetic Moment(μB)
0.000
µB—
Piezoelectric Modulus(eij)
0.000
C/m²—
Seebeck Coefficient(S)
-289.4
µV/K—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom—
Formation Energy(ΔHf)
-1.623
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.