Au1Ba2Tl1
This compound is a complex intermetallic material composed of gold, barium, and thallium. It is primarily studied by researchers investigating the fundamental properties of metallic systems and superconducting materials.
AuBaTl
Overview
Key Properties
Cross-validated computational properties for Au1Ba2Tl1, 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.
0.02 eV
Range across DFT structures
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.
1.357 eV/atom
Best (lowest) across sources
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.
Above hull
1 DFT source
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
27
2 databases, 15 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for Au1Ba2Tl1, 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 | 0.02 | 1.3565 | -1.537 | 0.60 |
| I4/mmm (No. 139) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
Uses
Applications
Where Au1Ba2Tl1 is used.
Condensed matter physics researchSuperconductivity studies
Reference
Frequently Asked Questions
Common questions about Au1Ba2Tl1, answered from cross-validated data.
What is Au1Ba2Tl1?
This compound is a complex intermetallic material composed of gold, barium, and thallium. It is primarily studied by researchers investigating the fundamental properties of metallic systems and superconducting materials.
More questions
What is Au1Ba2Tl1 used for?
Au1Ba2Tl1 is used in condensed matter physics research and superconductivity studies.
What is the band gap of Au1Ba2Tl1?
Au1Ba2Tl1 has a DFT-computed band gap of 0.02 eV across 27 reported structures.
Is Au1Ba2Tl1 a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is Au1Ba2Tl1 thermodynamically stable?
Au1Ba2Tl1 has a lowest energy above hull of 1.357 eV/atom (above hull).
What is the crystal structure of Au1Ba2Tl1?
The lowest-energy reported polymorph of Au1Ba2Tl1 is orthorhombic symmetry, space group Immm (No. 71).
What is the density of Au1Ba2Tl1?
The computed density of the ground-state structure of Au1Ba2Tl1 is 0.60 g/cm³.
How many polymorphs of Au1Ba2Tl1 are known?
27 structures of Au1Ba2Tl1 are reported across 2 databases, spanning 15 distinct space groups.
What elements does Au1Ba2Tl1 contain?
Au1Ba2Tl1 contains Au, Ba, and Tl (3 elements).
Where does the data for Au1Ba2Tl1 come from?
Au1Ba2Tl1 data is cross-referenced from materials_project, aflow.
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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