Si3Se — Properties & Data | MatWorld

Si3Se

ceramic

· JVASP-37216· Si3Se

Si₃Se is a silicon selenide ceramic compound combining silicon and selenium in a fixed stoichiometric ratio. This material belongs to the family of binary semiconducting ceramics and is primarily of research and specialized industrial interest rather than a mainstream engineering material. Silicon selenides are explored for optoelectronic and photonic applications where their bandgap and thermal properties offer potential advantages over conventional semiconductors, though Si₃Se remains relatively uncommon in production engineering due to limited commercial development and manufacturing scale.

photodetectorsinfrared opticssemiconductor researchhigh-temperature ceramicsthin-film coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1396	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000121	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000112	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-0.8000	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-0.7700	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	0.8370	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.6949	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.

Si3Se

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental