Sm4 Pb2 S8

semiconductor

· Sm4 Pb2 S8

Sm₄Pb₂S₈ is a rare-earth lead sulfide semiconductor compound combining samarium with lead and sulfur, belonging to the family of mixed-metal chalcogenides. This is a research-phase material rather than an established commercial product, studied for its potential in thermoelectric and optoelectronic applications where the rare-earth component may introduce unique electronic or magnetic properties. The material's significance lies in its potential to serve emerging applications in energy conversion and solid-state electronics where tailored bandgap and carrier dynamics are advantageous over conventional semiconductors.

Thermoelectric devicesOptoelectronic researchRare-earth semiconductor systemsAdvanced materials developmentExperimental photovoltaic studies

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	74.72	GPa	—
Shear Modulus(G)	36.99	GPa	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.220	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.756	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.

Sm4 Pb2 S8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control