Sm4 B4 S12

semiconductor
· Sm4 B4 S12

Sm₄B₄S₁₂ is a rare-earth boron sulfide semiconductor compound combining samarium, boron, and sulfur in a ternary system. This is a research-stage material currently explored for its semiconducting properties; compounds in this family are investigated for potential applications in high-temperature electronics, photonic devices, and solid-state chemistry where rare-earth dopants and extended anion frameworks offer tunability of bandgap and thermal stability. Its positioning in the rare-earth chalcogenide semiconductor space makes it notable for fundamental studies of structure-property relationships, though industrial maturity and scalability remain limited compared to conventional semiconductors like silicon or gallium arsenide.

High-temperature semiconductorsPhotonic/optical researchRare-earth functional materialsSolid-state chemistryThermoelectric researchExperimental device prototyping

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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ksi——
Shear Modulus(G)
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ksi——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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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.