Ag2S2O7
Ag2S2O7 is a thermodynamically stable silver pyrosulfate semiconductor used in fundamental materials science research.
About Ag2S2O7
Ag2S2O7 is a silver-based pyrosulfate compound that exhibits semiconducting electronic properties. As a thermodynamically stable phase residing on the convex hull, it represents a well-defined inorganic structure with consistent chemical behavior.
Its existence is supported by multiple reported structures across major databases, highlighting its significance in the study of silver-sulfur-oxygen systems. This compound serves as a critical reference point for understanding the stability and electronic nature of complex metal pyrosulfates.
Key Properties
Cross-validated computational properties for Ag2S2O7, 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 Ag2S2O7 is used.
Frequently Asked Questions
Common questions about Ag2S2O7, answered from cross-validated data.
What is Ag2S2O7?
Ag2S2O7 is a thermodynamically stable silver pyrosulfate semiconductor used in fundamental materials science research.
What is Ag2S2O7 used for?
What is the band gap of Ag2S2O7?
Is Ag2S2O7 a metal, semiconductor, or insulator?
Is Ag2S2O7 thermodynamically stable?
How many polymorphs of Ag2S2O7 are known?
What elements does Ag2S2O7 contain?
Where does the data for Ag2S2O7 come from?
How It Compares
As a distinct inorganic compound, Ag2S2O7 occupies a unique position in materials research, serving as a stable representative of silver-based oxo-anion systems that provides essential insights into the structural chemistry of pyrosulfates.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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