SiS — Properties & Data | MatWorld

SiS

ceramic

· JVASP-28397· SiS

Silicon sulfide (SiS) is a binary ceramic compound combining silicon and sulfur, typically studied as a layered or bulk ceramic material with potential semiconductor or optical properties. While not yet widely commercialized, SiS and related silicon chalcogenides are of significant research interest for next-generation applications requiring lightweight ceramics, wide bandgap semiconductors, or two-dimensional materials; its notably low density and weak interlayer bonding suggest potential in exfoliable or nanostructured form for advanced composites and energy applications.

experimental semiconductorslayered material researchlightweight ceramic compositesoptical/photonic devicesenergy storage materialstwo-dimensional material precursors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	6.630	GPa	DFT · OptB88vdW
Exfoliation Energy(Eexf)	0.03000	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3900	-	DFT · OptB88vdW
Shear Modulus(G)	5.440	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	633	kg/m³	DFT · OptB88vdW

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Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.6580	eV	DFT · OptB88vdW
↳	0.9590	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	4.544	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.979	-	DFT · OptB88vdW
↳	2.485	-	DFT · TBmBJ
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.59	%	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)	0.1222	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3892	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.

SiS

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental