As2Be1Ge1
As2Be1Ge1 is a thermodynamically stable semiconducting material composed of arsenic, beryllium, and germanium.
About As2Be1Ge1
As2Be1Ge1 is a distinct inorganic compound characterized by its semiconducting electronic nature. As a thermodynamically stable phase located on the convex hull, it represents a robust configuration of arsenic, beryllium, and germanium atoms that maintains structural integrity under standard conditions.
This material is of significant interest to researchers investigating novel semiconductors with unique atomic arrangements. Its stability suggests potential for integration into specialized electronic or optoelectronic device architectures where reliable material performance is required.
Key Properties
Cross-validated computational properties for As2Be1Ge1, 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 As2Be1Ge1, 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. |
|---|---|---|---|---|---|
| I-42d (No. 122) | tetragonal | 0.65 | 0.0000 | -4.595 | 4.86 |
| I4/mmm (No. 139) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
Applications
Where As2Be1Ge1 is used.
Frequently Asked Questions
Common questions about As2Be1Ge1, answered from cross-validated data.
What is As2Be1Ge1?
As2Be1Ge1 is a thermodynamically stable semiconducting material composed of arsenic, beryllium, and germanium.
What is As2Be1Ge1 used for?
What is the band gap of As2Be1Ge1?
Is As2Be1Ge1 a metal, semiconductor, or insulator?
Is As2Be1Ge1 thermodynamically stable?
What is the crystal structure of As2Be1Ge1?
What is the density of As2Be1Ge1?
How many polymorphs of As2Be1Ge1 are known?
What elements does As2Be1Ge1 contain?
Where does the data for As2Be1Ge1 come from?
How It Compares
As a unique ternary compound, As2Be1Ge1 occupies a specialized niche in materials research, serving as a foundational example of how combining these specific elements yields a stable, semiconducting electronic profile.
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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