Ag1Sb1Sr2
Ag1Sb1Sr2 is an unstable semiconducting ternary compound consisting of silver, antimony, and strontium.
About Ag1Sb1Sr2
Ag1Sb1Sr2 is a complex ternary compound composed of silver, antimony, and strontium. As a semiconducting material, it exhibits electronic characteristics that distinguish it from simple metallic alloys, positioning it as a subject of interest for fundamental solid-state research.
While the compound has been documented across multiple structural configurations, it is characterized as being above the thermodynamic hull. This suggests that the phase is likely metastable or unstable under standard conditions, requiring specific synthesis pathways to stabilize its structure.
Key Properties
Cross-validated computational properties for Ag1Sb1Sr2, aggregated across 2 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 Ag1Sb1Sr2, 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. |
|---|---|---|---|---|---|
| Immm (No. 71) | orthorhombic | 0.33 | 1.4755 | -1.906 | 0.46 |
| Fm-3m (No. 225) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| R3m (No. 160) | — | — | — | — | — |
| Amm2 (No. 38) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
Frequently Asked Questions
Common questions about Ag1Sb1Sr2, answered from cross-validated data.
What is Ag1Sb1Sr2?
Ag1Sb1Sr2 is an unstable semiconducting ternary compound consisting of silver, antimony, and strontium.
What is the band gap of Ag1Sb1Sr2?
Is Ag1Sb1Sr2 a metal, semiconductor, or insulator?
Is Ag1Sb1Sr2 thermodynamically stable?
What is the crystal structure of Ag1Sb1Sr2?
What is the density of Ag1Sb1Sr2?
How many polymorphs of Ag1Sb1Sr2 are known?
What elements does Ag1Sb1Sr2 contain?
Where does the data for Ag1Sb1Sr2 come from?
How It Compares
As a unique ternary phase, Ag1Sb1Sr2 represents an unconventional combination of elements that does not currently have widely recognized siblings within a strictly defined material class. Its role remains that of an exploratory compound, providing insights into the structural diversity and potential electronic behaviors of silver-antimony-strontium systems.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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