As56Rb24
As56Rb24 is a stable, semiconducting binary compound consisting of arsenic and rubidium.
About As56Rb24
As56Rb24 is a distinct binary compound composed of arsenic and rubidium. As a thermodynamically stable material situated on the convex hull, it represents a well-defined phase within its chemical system, characterized by its semiconducting electronic nature.
This material is of interest to researchers investigating the electronic properties of alkali metal arsenides. Its stable configuration and semiconducting behavior make it a subject of study for understanding fundamental charge transport and structural arrangements in complex intermetallic systems.
Key Properties
Cross-validated computational properties for As56Rb24, 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.
Reported Structures
Lowest-energy structures reported for As56Rb24, 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. |
|---|---|---|---|---|---|
| Pbca (No. 61) | orthorhombic | 1.58 | 0.0000 | -3.920 | 3.54 |
| P21/c (No. 14) | monoclinic | 1.63 | 0.0031 | -3.917 | 3.60 |
| — | — | — | — | — | 3.62 |
| No. 0 | unknown | — | — | — | 0.48 |
| — | — | — | — | — | 3.62 |
| — | — | — | — | — | 2.99 |
Applications
Where As56Rb24 is used.
Frequently Asked Questions
Common questions about As56Rb24, answered from cross-validated data.
What is As56Rb24?
As56Rb24 is a stable, semiconducting binary compound consisting of arsenic and rubidium.
What is As56Rb24 used for?
What is the band gap of As56Rb24?
Is As56Rb24 a metal, semiconductor, or insulator?
Is As56Rb24 thermodynamically stable?
What is the crystal structure of As56Rb24?
What is the density of As56Rb24?
How many polymorphs of As56Rb24 are known?
What elements does As56Rb24 contain?
Where does the data for As56Rb24 come from?
How It Compares
As a unique binary phase in the arsenic-rubidium system, this compound serves as a critical reference point for understanding the structural diversity and electronic behavior of alkali-arsenic materials.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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