NaSbTe2

Sodium antimony telluride is a ternary semiconductor material characterized by its layered crystal structure. It is primarily studied for its potential in thermoelectric energy conversion and advanced electronic applications due to its unique transport properties.

Crystal structure of NaSbTe2 (trigonal, R-3m (No. 166))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for NaSbTe2, aggregated across 3 databases.

Band Gap

0.66 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

8
3 databases, 2 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for NaSbTe2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
R-3m (No. 166)trigonal0.660.0000-3.5895.24
P4/mmm (No. 123)tetragonal0.000.0748-3.5145.41
R-3m (No. 166)
P4/mmm (No. 123)
5.77
5.77
5.05
5.05
Uses

Applications

Where NaSbTe2 is used.

Thermoelectric generatorsSolid-state cooling devicesSemiconductor research
Reference

Frequently Asked Questions

Common questions about NaSbTe2, answered from cross-validated data.

What is NaSbTe2?

Sodium antimony telluride is a ternary semiconductor material characterized by its layered crystal structure. It is primarily studied for its potential in thermoelectric energy conversion and advanced electronic applications due to its unique transport properties.

More questions
What is NaSbTe2 used for?
NaSbTe2 is used in thermoelectric generators, solid-state cooling devices, and semiconductor research.
What is the band gap of NaSbTe2?
NaSbTe2 has a DFT-computed band gap of 0.66 eV across 8 reported structures.
Is NaSbTe2 a metal, semiconductor, or insulator?
With a band gap up to 0.66 eV it is a semiconductor.
Is NaSbTe2 thermodynamically stable?
Yes — NaSbTe2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of NaSbTe2?
The lowest-energy reported polymorph of NaSbTe2 is trigonal symmetry, space group R-3m (No. 166).
What is the density of NaSbTe2?
The computed density of the ground-state structure of NaSbTe2 is 5.24 g/cm³.
How many polymorphs of NaSbTe2 are known?
8 structures of NaSbTe2 are reported across 3 databases, spanning 2 distinct space groups.
What elements does NaSbTe2 contain?
NaSbTe2 contains Na, Sb, and Te (3 elements).
Where does the data for NaSbTe2 come from?
NaSbTe2 data is cross-referenced from materials_project, jarvis, omat24.
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Related Compounds

Other Phase-Change Memory Materials in the database.

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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