Er2CdS4

ceramic
· JVASP-9378· Er2CdS4

Er2CdS4 is a ternary ceramic compound composed of erbium, cadmium, and sulfur, belonging to the family of rare-earth chalcogenides. This material is primarily investigated in research contexts for optoelectronic and photonic applications, where rare-earth doping and sulfide-based semiconductors offer potential advantages in infrared emission, photoluminescence, and nonlinear optical properties. While not yet established in high-volume industrial production, Er2CdS4 represents the broader class of rare-earth sulfide ceramics that are of interest for next-generation optical devices, solid-state lasers, and quantum materials where conventional oxides or nitrides are insufficient.

infrared optics researchphotoluminescent materialsrare-earth optical compoundssolid-state laser developmentexperimental photonics

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
68.43
GPa
Poisson's Ratio(ν)
0.3500
-
Shear Modulus(G)
24.26
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
5.480
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
1.128
eV
Magnetic Moment(μB)
0.000
µB
Seebeck Coefficient(S)
-72.72
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-1.798
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.