Sm4 Zn2 S8

semiconductor

· Sm4 Zn2 S8

Sm₄Zn₂S₈ is a rare-earth–transition metal sulfide compound belonging to the family of ternary chalcogenides. This is primarily a research material studied for its potential semiconducting properties arising from the combination of samarium (a lanthanide) and zinc in a sulfide matrix. The compound is not widely commercialized but represents an emerging class of materials being investigated for optoelectronic, photonic, and solid-state device applications where rare-earth doping or rare-earth–metal sulfide chemistry offers advantages in luminescence, magnetic response, or bandgap engineering.

Photonic/optoelectronic devices (research)Rare-earth luminescent materialsSemiconductor thin films (experimental)Quantum dot precursors (potential)Magnetooptical applications (research)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.400	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.696	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 Zn2 S8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control