SmAsSe — Properties & Data | MatWorld

SmAsSe

ceramic

· JVASP-93781· SmAsSe

SmAsSe is a rare-earth chalcogenide ceramic compound combining samarium with arsenic and selenium. This material belongs to the family of narrow-bandgap semiconductors and is primarily of research interest rather than established commercial production, being studied for its potential in infrared optics, thermal imaging systems, and advanced photonic devices where its chalcogenide composition offers transparency in the mid- to long-wave infrared spectrum.

infrared opticsthermal imaging windowsphotonic semiconductorsresearch and developmentoptoelectronic devicesspecialized detector applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.172	kg/m³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.3290	eV	DFT · OptB88vdW
↳	0.4170	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	29.03	-	DFT · OptB88vdW
↳	21.58	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	10.87	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.02600	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.511	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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.

SmAsSe

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental