InGaP2

Indium gallium phosphide · InGaP

Indium gallium phosphide is a semiconductor material composed of indium, gallium, and phosphorus. It is widely utilized in optoelectronics due to its favorable electronic properties, particularly in the fabrication of high-efficiency solar cells and light-emitting devices.

GaInP
Crystal structure of InGaP2 (trigonal, R3m (No. 160))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Indium gallium phosphide, aggregated across 3 databases.

Band Gap

0.56 eV
Range across DFT structures

Energy Above Hull

0.039 eV/atom
Best (lowest) across sources

Stability

Metastable
2 DFT sources

Structures

8
3 databases, 3 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for InGaP2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
R3m (No. 160)trigonal0.560.0390-13.4014.33
C2/m (No. 12)Monoclinic5.72
C2/m (No. 12)Monoclinic4.20
C2/m (No. 12)Monoclinic4.79
C2/m (No. 12)Monoclinic4.19
R3m (No. 160)
C2/m (No. 12)Monoclinic5.03
P21/m (No. 11)Monoclinic3.72
Uses

Applications

Where Indium gallium phosphide is used.

Photovoltaic cellsLight-emitting diodesLaser diodesHigh-frequency transistors
Reference

Frequently Asked Questions

Common questions about Indium gallium phosphide, answered from cross-validated data.

What is InGaP2?

Indium gallium phosphide is a semiconductor material composed of indium, gallium, and phosphorus. It is widely utilized in optoelectronics due to its favorable electronic properties, particularly in the fabrication of high-efficiency solar cells and light-emitting devices.

More questions
What is InGaP2 used for?
Indium gallium phosphide (InGaP2) is used in photovoltaic cells, light-emitting diodes, laser diodes, and high-frequency transistors.
What is the band gap of InGaP2?
Indium gallium phosphide (InGaP2) has a DFT-computed band gap of 0.56 eV across 8 reported structures.
Is InGaP2 a metal, semiconductor, or insulator?
With a band gap up to 0.56 eV it is a semiconductor.
Is InGaP2 thermodynamically stable?
Indium gallium phosphide (InGaP2) has a lowest energy above hull of 0.039 eV/atom (metastable).
What is the crystal structure of InGaP2?
The lowest-energy reported polymorph of Indium gallium phosphide (InGaP2) is trigonal symmetry, space group R3m (No. 160).
What is the density of InGaP2?
The computed density of the ground-state structure of Indium gallium phosphide (InGaP2) is 4.33 g/cm³.
How many polymorphs of InGaP2 are known?
8 structures of InGaP2 are reported across 3 databases, spanning 3 distinct space groups.
What elements does InGaP2 contain?
Indium gallium phosphide (InGaP2) contains Ga, In, and P (3 elements).
Where does the data for InGaP2 come from?
InGaP2 data is cross-referenced from materials_project, mpaloe, jarvis.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • mpaloe — Data from mpaloe.
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).

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