SrS
strontium sulfide · strontium monosulfide
Strontium sulfide is a stable semiconducting compound frequently utilized in the development of phosphors and optoelectronic devices.
About strontium sulfide
Strontium sulfide is a thermodynamically stable inorganic compound that functions as a semiconductor. Its robust structural integrity and electronic characteristics make it a subject of significant interest in materials science research. The material is widely recognized for its high degree of data richness, with numerous structural configurations documented in scientific databases. This extensive characterization underscores its importance in developing functional materials for various technological sectors.
Key Properties
Cross-validated computational properties for strontium sulfide, aggregated across 4 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for SrS, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| Fm-3m (No. 225) | cubic | 2.50 | 0.0000 | -14.015 | 3.59 |
| Pm-3m (No. 221) | cubic | 1.79 | 0.2996 | -13.715 | 4.03 |
| P-1 (No. 2) | Triclinic | — | — | — | 3.56 |
| Cc (No. 9) | Monoclinic | — | — | — | 3.31 |
| Cc (No. 9) | Monoclinic | — | — | — | 3.31 |
| P3m1 (No. 156) | Trigonal | — | — | — | 2.48 |
| P-3m1 (No. 164) | Trigonal | — | — | — | 2.83 |
| P-3m1 (No. 164) | Trigonal | — | — | — | 3.12 |
| P-1 (No. 2) | Triclinic | — | — | — | 1.56 |
| C2/m (No. 12) | Monoclinic | — | — | — | 2.83 |
| C2/m (No. 12) | Monoclinic | — | — | — | 3.09 |
| C2/m (No. 12) | Monoclinic | — | — | — | 3.03 |
Applications
Where strontium sulfide is used.
Frequently Asked Questions
Common questions about strontium sulfide, answered from cross-validated data.
What is SrS?
Strontium sulfide is a stable semiconducting compound frequently utilized in the development of phosphors and optoelectronic devices.
What is SrS used for?
What is the band gap of SrS?
Is SrS a metal, semiconductor, or insulator?
Is SrS thermodynamically stable?
What is the crystal structure of SrS?
What is the density of SrS?
How many polymorphs of SrS are known?
What elements does SrS contain?
Where does the data for SrS come from?
How It Compares
As a prominent member of the alkaline earth chalcogenide family, strontium sulfide serves as a fundamental reference point for understanding the electronic and structural behavior of this class of materials.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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