AlBiN2
AlBiN2 is a ternary nitride semiconductor that is currently the subject of computational research into its structural and electronic properties.
About AlBiN2
AlBiN2 is a complex nitride semiconductor composed of aluminum, bismuth, and nitrogen. As a member of the nitride semiconductor class, it represents an interesting subject for materials scientists investigating the electronic properties of ternary nitrogen-based compounds. Its existence in multiple structural configurations across various databases highlights the ongoing academic interest in its potential physical characteristics. While currently identified as being above the thermodynamic hull, it remains a notable candidate for computational studies regarding metastable phases in semiconductor systems. Its investigation contributes to the broader understanding of how heavier elements like bismuth influence the electronic behavior of nitride lattices.
Key Properties
Cross-validated computational properties for AlBiN2, 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 AlBiN2, 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. |
|---|---|---|---|---|---|
| Pna21 (No. 33) | orthorhombic | 0.00 | 0.2980 | -21.415 | 7.26 |
| Pbca (No. 61) | orthorhombic | 1.41 | 0.3575 | -21.355 | 7.49 |
| — | — | — | — | — | 7.51 |
| Pm (No. 6) | Monoclinic | — | — | — | 6.05 |
| Pmm2 (No. 25) | Orthorhombic | — | — | — | 4.29 |
| Cm (No. 8) | Monoclinic | — | — | — | 8.89 |
| Pm (No. 6) | Monoclinic | — | — | — | 6.61 |
| P-1 (No. 2) | Triclinic | — | — | — | 5.19 |
| Pmm2 (No. 25) | Orthorhombic | — | — | — | 4.68 |
| Pmm2 (No. 25) | Orthorhombic | — | — | — | 4.35 |
| P-1 (No. 2) | Triclinic | — | — | — | 4.66 |
| P-1 (No. 2) | Triclinic | — | — | — | 4.91 |
Applications
Where AlBiN2 is used.
Frequently Asked Questions
Common questions about AlBiN2, answered from cross-validated data.
What is AlBiN2?
AlBiN2 is a ternary nitride semiconductor that is currently the subject of computational research into its structural and electronic properties.
What is AlBiN2 used for?
What is the band gap of AlBiN2?
Is AlBiN2 a metal, semiconductor, or insulator?
Is AlBiN2 thermodynamically stable?
What is the crystal structure of AlBiN2?
What is the density of AlBiN2?
How many polymorphs of AlBiN2 are known?
What elements does AlBiN2 contain?
Where does the data for AlBiN2 come from?
How It Compares
Within the nitride semiconductors class.
Within the group of nitride semiconductors, AlBiN2 occupies a distinct position compared to more established, highly stable compounds like AlN or GaN. While AlN is widely utilized for its robust electronic properties and thermodynamic stability, AlBiN2 is characterized by its metastable nature, placing it in a different category of experimental interest than the standard binary nitrides or the well-studied BN.
Related Compounds
Other Nitride Semiconductors in the database.
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).
- mpaloe — Data from mpaloe.
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