Sm2 Se1 O2

semiconductor

· Sm2 Se1 O2

Sm₂SeO₂ is a rare-earth oxychalcogenide semiconductor compound combining samarium, selenium, and oxygen. This material belongs to an emerging class of mixed-anion semiconductors that are primarily of research interest, explored for their unique electronic and optical properties that differ significantly from conventional binary semiconductors. While not yet widely deployed in commercial applications, oxychalcogenides are investigated for potential use in photovoltaics, photocatalysis, and optoelectronic devices where the combination of ionic and covalent bonding creates favorable band structure characteristics.

photovoltaic researchphotocatalysisoptoelectronic devicesrare-earth semiconductorsnext-generation photon absorberslaboratory/experimental material

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	111.2	GPa	—
Shear Modulus(G)	59.85	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.316	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.243	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 Se1 O2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control