SiS

Silicon monosulfide is a metastable semiconducting material composed of silicon and sulfur atoms.

SSi
Crystal structure of SiS
Ground-state structure · Materials Project
Overview

About SiS

Silicon monosulfide is a metastable binary compound composed of silicon and sulfur. It exhibits semiconducting electronic character, positioning it as an intriguing subject for fundamental research into group 14-16 materials.

Due to its metastable nature, this compound is often studied for its structural complexity, with numerous reported configurations across various databases. Its role in materials science is primarily focused on understanding the bonding dynamics between silicon and chalcogen elements.

At a glance

Key Properties

Cross-validated computational properties for SiS, aggregated across 3 databases.

Band Gap

0.48 eV
Range across DFT structures

Energy Above Hull

0.087 eV/atom
Best (lowest) across sources

Stability

Metastable
2 DFT sources

Structures

104
3 databases, 19 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting SiS.

Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where SiS is used.

Fundamental materials researchSemiconductor physics studies
Reference

Frequently Asked Questions

Common questions about SiS, answered from cross-validated data.

What is SiS?

Silicon monosulfide is a metastable semiconducting material composed of silicon and sulfur atoms.

More questions
What is SiS used for?
SiS is used in fundamental materials research and semiconductor physics studies.
What is the band gap of SiS?
SiS has a DFT-computed band gap of 0.48 eV across 104 reported structures.
Is SiS a metal, semiconductor, or insulator?
With a band gap up to 0.48 eV it is a semiconductor.
Is SiS thermodynamically stable?
SiS has a lowest energy above hull of 0.087 eV/atom (metastable).
How many polymorphs of SiS are known?
104 structures of SiS are reported across 3 databases, spanning 19 distinct space groups.
How is SiS synthesized?
Literature-reported routes for SiS include sol gel, solid state (10 procedures documented).
What elements does SiS contain?
SiS contains S and Si (2 elements).
Where does the data for SiS come from?
SiS data is cross-referenced from latticegraph.
Comparison

How It Compares

As a metastable semiconductor, SiS represents a distinct phase within the silicon-sulfur binary system. While many silicon-based chalcogenides are highly stable, this specific stoichiometry offers a unique look at the structural landscape of the system, serving as an important reference point for researchers investigating the limits of silicon-sulfur bonding.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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