Ag1Bi1Sr2
Ag1Bi1Sr2 is a semiconducting intermetallic compound that exhibits metastable characteristics and complex structural diversity.
About Ag1Bi1Sr2
Ag1Bi1Sr2 is a semiconducting intermetallic compound composed of silver, bismuth, and strontium. Its electronic structure suggests potential utility in specialized semiconductor research where specific transport properties are required.
This material is characterized as being above the thermodynamic hull, indicating that it is likely metastable under standard conditions. Despite this, it remains a subject of interest in structural databases due to the diverse atomic arrangements possible within this ternary chemical space.
Key Properties
Cross-validated computational properties for Ag1Bi1Sr2, 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 Ag1Bi1Sr2, 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 | 0.23 | 1.4550 | -26.853 | 0.51 |
| P2/m (No. 10) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
| R3m (No. 160) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| Immm (No. 71) | — | — | — | — | — |
| Amm2 (No. 38) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
Applications
Where Ag1Bi1Sr2 is used.
Frequently Asked Questions
Common questions about Ag1Bi1Sr2, answered from cross-validated data.
What is Ag1Bi1Sr2?
Ag1Bi1Sr2 is a semiconducting intermetallic compound that exhibits metastable characteristics and complex structural diversity.
What is Ag1Bi1Sr2 used for?
What is the band gap of Ag1Bi1Sr2?
Is Ag1Bi1Sr2 a metal, semiconductor, or insulator?
Is Ag1Bi1Sr2 thermodynamically stable?
What is the crystal structure of Ag1Bi1Sr2?
What is the density of Ag1Bi1Sr2?
How many polymorphs of Ag1Bi1Sr2 are known?
What elements does Ag1Bi1Sr2 contain?
Where does the data for Ag1Bi1Sr2 come from?
How It Compares
As a unique ternary intermetallic, Ag1Bi1Sr2 represents a specific point in the Ag-Bi-Sr phase space. Without direct structural siblings in this specific grouping, it serves as an important case study for understanding how the integration of noble metals with alkaline earth and pnictogen elements influences electronic behavior and structural stability.
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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