GaNaTe2

Sodium gallium ditelluride is a ternary semiconductor material belonging to the chalcogenide family. It is primarily studied for its potential utility in optoelectronic devices and infrared technologies due to its specific structural and electronic properties.

GaNaTe
Crystal structure of GaNaTe2 (tetragonal, I-42d (No. 122))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for GaNaTe2, aggregated across 3 databases.

Band Gap

0.20–1.58 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

17
3 databases, 2 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for GaNaTe2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
I-42d (No. 122)tetragonal1.580.0000-3.4604.26
I4/mcm (No. 140)tetragonal0.200.0044-3.4564.98
4.52
Uses

Applications

Where GaNaTe2 is used.

Semiconductor researchInfrared optical materialsOptoelectronic device development
Reference

Frequently Asked Questions

Common questions about GaNaTe2, answered from cross-validated data.

What is GaNaTe2?

Sodium gallium ditelluride is a ternary semiconductor material belonging to the chalcogenide family. It is primarily studied for its potential utility in optoelectronic devices and infrared technologies due to its specific structural and electronic properties.

More questions
What is GaNaTe2 used for?
GaNaTe2 is used in semiconductor research, infrared optical materials, and optoelectronic device development.
What is the band gap of GaNaTe2?
GaNaTe2 has a DFT-computed band gap of 0.20–1.58 eV across 17 reported structures.
Is GaNaTe2 a metal, semiconductor, or insulator?
With a band gap up to 1.58 eV it is a semiconductor.
Is GaNaTe2 thermodynamically stable?
Yes — GaNaTe2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of GaNaTe2?
The lowest-energy reported polymorph of GaNaTe2 is tetragonal symmetry, space group I-42d (No. 122).
What is the density of GaNaTe2?
The computed density of the ground-state structure of GaNaTe2 is 4.26 g/cm³.
How many polymorphs of GaNaTe2 are known?
17 structures of GaNaTe2 are reported across 3 databases, spanning 2 distinct space groups.
What elements does GaNaTe2 contain?
GaNaTe2 contains Ga, Na, and Te (3 elements).
Where does the data for GaNaTe2 come from?
GaNaTe2 data is cross-referenced from materials_project, alexandria, omat24.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • alexandria — Data from alexandria.
  • omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).

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