Sm2 S2 F2

semiconductor

· Sm2 S2 F2

Sm₂S₂F₂ is a rare-earth chalcogenide fluoride semiconductor combining samarium with sulfur and fluorine, representing an emerging material in the rare-earth compound family. This composition sits at the intersection of ionic and covalent bonding, making it a subject of research for optoelectronic and photonic applications where rare-earth dopants offer luminescent properties. While not yet widely commercialized, materials in this family are being investigated for solid-state lighting, scintillators, and wavelength-selective optical coatings where the rare-earth element enables unique electronic transitions unavailable in conventional semiconductors.

rare-earth photonicsexperimental optoelectronicsluminescent materials researchsolid-state lighting developmentscintillation detection systemsoptical coating materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	15,925.1	ksi	—
Shear Modulus(G)	8,391.9	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.307	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.233	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.

Sm2 S2 F2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control