In3Sb

Indium antimonide is a crystalline semiconductor material composed of indium and antimony. It is primarily utilized in the fabrication of high-speed infrared detectors and advanced electronic components due to its favorable charge carrier properties.

Crystal structure of In3Sb (cubic, Pm-3m (No. 221))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for In3Sb, aggregated across 5 databases.

Band Gap

Metallic / not reported

Energy Above Hull

0.095 eV/atom
Best (lowest) across sources

Stability

Metastable
4 DFT sources

Structures

7
5 databases, 2 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for In3Sb, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Pm-3m (No. 221)cubic0.000.0950-23.3856.84
I4/mmm (No. 139)
7.05
Pm-3m (No. 221)Cubic6.84
Pm-3m (No. 221)
Pm-3m (No. 221)Cubic7.00
Pm-3m (No. 221)Cubic7.01
Uses

Applications

Where In3Sb is used.

Infrared detectorsThermal imaging sensorsHigh-speed electronic devicesMagnetoresistive sensors
Reference

Frequently Asked Questions

Common questions about In3Sb, answered from cross-validated data.

What is In3Sb?

Indium antimonide is a crystalline semiconductor material composed of indium and antimony. It is primarily utilized in the fabrication of high-speed infrared detectors and advanced electronic components due to its favorable charge carrier properties.

More questions
What is In3Sb used for?
In3Sb is used in infrared detectors, thermal imaging sensors, high-speed electronic devices, and magnetoresistive sensors.
What is the band gap of In3Sb?
In3Sb is computed to be metallic (no band gap) in the reported DFT structures.
Is In3Sb a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is In3Sb thermodynamically stable?
In3Sb has a lowest energy above hull of 0.095 eV/atom (metastable).
What is the crystal structure of In3Sb?
The lowest-energy reported polymorph of In3Sb is cubic symmetry, space group Pm-3m (No. 221).
What is the density of In3Sb?
The computed density of the ground-state structure of In3Sb is 6.84 g/cm³.
How many polymorphs of In3Sb are known?
7 structures of In3Sb are reported across 5 databases, spanning 2 distinct space groups.
What elements does In3Sb contain?
In3Sb contains In and Sb (2 elements).
Where does the data for In3Sb come from?
In3Sb data is cross-referenced from materials_project, nomad, omat24, mpaloe, jarvis.
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Related Compounds

Other III-V Semiconductors in the database.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
  • omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
  • mpaloe — Data from mpaloe.
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).

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