As1La1Te1
As1La1Te1 is a thermodynamically stable semiconducting material composed of arsenic, lanthanum, and tellurium.
About As1La1Te1
As1La1Te1 is a distinct inorganic compound characterized by its semiconducting electronic nature. As a material that resides on the convex hull, it exhibits notable thermodynamic stability, making it a robust candidate for further investigation in solid-state chemistry and materials science.
Its structural diversity is evidenced by its presence across multiple reported configurations in crystallographic databases. This stability and electronic profile suggest that As1La1Te1 could play a significant role in the development of specialized electronic or optoelectronic components where stable semiconductor performance is required.
Key Properties
Cross-validated computational properties for As1La1Te1, 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 As1La1Te1, 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. |
|---|---|---|---|---|---|
| Pnma (No. 62) | orthorhombic | 0.13 | 0.0000 | -5.692 | 6.54 |
| F-43m (No. 216) | — | — | — | — | — |
| P3m1 (No. 156) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| P-6m2 (No. 187) | — | — | — | — | — |
| I4mm (No. 107) | — | — | — | — | — |
| I4mm (No. 107) | — | — | — | — | — |
| I4mm (No. 107) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| Fmm2 (No. 42) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.68 |
Applications
Where As1La1Te1 is used.
Frequently Asked Questions
Common questions about As1La1Te1, answered from cross-validated data.
What is As1La1Te1?
As1La1Te1 is a thermodynamically stable semiconducting material composed of arsenic, lanthanum, and tellurium.
What is As1La1Te1 used for?
What is the band gap of As1La1Te1?
Is As1La1Te1 a metal, semiconductor, or insulator?
Is As1La1Te1 thermodynamically stable?
What is the crystal structure of As1La1Te1?
What is the density of As1La1Te1?
How many polymorphs of As1La1Te1 are known?
What elements does As1La1Te1 contain?
Where does the data for As1La1Te1 come from?
How It Compares
As a unique entry in its structural class, As1La1Te1 serves as a foundational example of stable ternary chalcogenide-pnictide systems. It provides a benchmark for understanding how the integration of lanthanum with arsenic and tellurium influences the electronic landscape of similar complex inorganic materials.
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).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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