Ca3Sn2S7
Ca3Sn2S7 is a metastable semiconducting ternary sulfide containing calcium, tin, and sulfur.
About Ca3Sn2S7
Ca3Sn2S7 is a complex ternary sulfide composed of calcium, tin, and sulfur. As a semiconducting material, it represents a unique intersection of elements that allows for intriguing electronic properties, making it a subject of interest for researchers investigating new chalcogenide frameworks.
Although it is classified as a metastable compound, its existence in multiple structural configurations across various databases highlights its significance in solid-state chemistry. Understanding its stability and electronic behavior is essential for evaluating its potential utility in future optoelectronic or energy-related technologies.
Key Properties
Cross-validated computational properties for Ca3Sn2S7, aggregated across 3 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.
Applications
Where Ca3Sn2S7 is used.
Frequently Asked Questions
Common questions about Ca3Sn2S7, answered from cross-validated data.
What is Ca3Sn2S7?
Ca3Sn2S7 is a metastable semiconducting ternary sulfide containing calcium, tin, and sulfur.
What is Ca3Sn2S7 used for?
What is the band gap of Ca3Sn2S7?
Is Ca3Sn2S7 a metal, semiconductor, or insulator?
Is Ca3Sn2S7 thermodynamically stable?
How many polymorphs of Ca3Sn2S7 are known?
What elements does Ca3Sn2S7 contain?
Where does the data for Ca3Sn2S7 come from?
How It Compares
As a member of the ternary sulfide family, Ca3Sn2S7 occupies a distinct niche in materials science. While many sulfides are well-characterized, this compound stands out due to its metastable nature, which offers a broader landscape for structural exploration compared to more common, highly stable binary or ternary sulfides.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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