CaSm2S4

semiconductor
· CaSm2S4

CaSm2S4 is a ternary sulfide semiconductor compound combining calcium and samarium in a chalcogenide matrix, representing an emerging materials class for optoelectronic and photonic device research. While not yet widely commercialized, this material belongs to the rare-earth sulfide family that shows promise for infrared optics, photovoltaic applications, and solid-state lighting due to the unique electronic and optical properties imparted by samarium incorporation. Engineers investigating next-generation semiconductor materials for niche high-performance applications—particularly where rare-earth doping offers advantages in emission wavelength tuning or carrier dynamics—would evaluate this compound against more established alternatives like CdTe or lead halide perovskites.

infrared optics and detectorsrare-earth photoluminescenceexperimental photovoltaic absorberssolid-state lighting researchsemiconductor quantum dotshigh-bandgap device prototyping

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
10,882.2
ksi—
Poisson's Ratio(ν)
0.2600
-—
Shear Modulus(G)
6,233.7
ksi—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.1849
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
2.050
eV—
↳
2.108
eV—
Dielectric Constant (Relative Permittivity)(εr)
21.02
-—
Magnetic Moment(μB)
0.000
µB—
Piezoelectric Modulus(eij)
0.1635
C/m²—
Seebeck Coefficient(S)
-193.8
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)
-2.281
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.
CaSm2S4 — Properties & Data | MatWorld