AlInSb2

This material is a ternary semiconductor compound composed of aluminum, indium, and antimony. It belongs to the class of III-V semiconductors and is primarily investigated for its potential in advanced optoelectronic and high-speed electronic devices.

AlInSb
Crystal structure of AlInSb2 (tetragonal, P-4m2 (No. 115))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for AlInSb2, aggregated across 3 databases.

Band Gap

0.24–0.32 eV
Range across DFT structures

Energy Above Hull

0.008 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
2 DFT sources

Structures

12
3 databases, 2 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for AlInSb2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P-4m2 (No. 115)tetragonal0.320.0080-20.4184.96
R3m (No. 160)trigonal0.240.0282-20.3984.82
P-4m2 (No. 115)
R3m (No. 160)
6.26
5.89
5.99
6.19
5.89
6.29
6.19
5.98
Uses

Applications

Where AlInSb2 is used.

Infrared photodetectorsSemiconductor researchOptoelectronic device development
Reference

Frequently Asked Questions

Common questions about AlInSb2, answered from cross-validated data.

What is AlInSb2?

This material is a ternary semiconductor compound composed of aluminum, indium, and antimony. It belongs to the class of III-V semiconductors and is primarily investigated for its potential in advanced optoelectronic and high-speed electronic devices.

More questions
What is AlInSb2 used for?
AlInSb2 is used in infrared photodetectors, semiconductor research, and optoelectronic device development.
What is the band gap of AlInSb2?
AlInSb2 has a DFT-computed band gap of 0.24–0.32 eV across 12 reported structures.
Is AlInSb2 a metal, semiconductor, or insulator?
With a band gap up to 0.32 eV it is a semiconductor.
Is AlInSb2 thermodynamically stable?
AlInSb2 has a lowest energy above hull of 0.008 eV/atom (near hull (likely stable)).
What is the crystal structure of AlInSb2?
The lowest-energy reported polymorph of AlInSb2 is tetragonal symmetry, space group P-4m2 (No. 115).
What is the density of AlInSb2?
The computed density of the ground-state structure of AlInSb2 is 4.96 g/cm³.
How many polymorphs of AlInSb2 are known?
12 structures of AlInSb2 are reported across 3 databases, spanning 2 distinct space groups.
What elements does AlInSb2 contain?
AlInSb2 contains Al, In, and Sb (3 elements).
Where does the data for AlInSb2 come from?
AlInSb2 data is cross-referenced from materials_project, jarvis, omat24.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
  • omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).

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