Sb1Te2Tl1

Sb1Te2Tl1 is a thermodynamically stable semiconducting material utilized in the development of advanced phase-change memory technologies.

Crystal structure of Sb1Te2Tl1 (trigonal, R-3m (No. 166))
Ground-state structure · Materials Project
Overview

About Sb1Te2Tl1

Sb1Te2Tl1 is a semiconducting compound that occupies a stable position on the convex hull, indicating robust thermodynamic favorability. As a member of the phase-change memory material class, it is engineered for rapid, reversible transitions between structural states, which is essential for non-volatile memory technologies.

This material is primarily studied for its potential in high-density data storage applications. Its electronic character allows for the precise switching behavior required to distinguish between different logical states, making it a subject of interest for researchers optimizing the performance and longevity of memory devices.

At a glance

Key Properties

Cross-validated computational properties for Sb1Te2Tl1, aggregated across 2 databases.

Band Gap

0.13 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
1 DFT source

Structures

32
2 databases, 15 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for Sb1Te2Tl1, 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)trigonal0.130.0000-3.6367.07
C2/m (No. 12)monoclinic0.000.3519-3.2846.25
Immm (No. 71)
R-3m (No. 166)
P4mm (No. 99)
Pmmm (No. 47)
F-43m (No. 216)
R-3m (No. 166)
P2/m (No. 10)
R-3m (No. 166)
P4mm (No. 99)
P4/mmm (No. 123)
Uses

Applications

Where Sb1Te2Tl1 is used.

Non-volatile memory devicesPhase-change data storageSemiconductor research
Reference

Frequently Asked Questions

Common questions about Sb1Te2Tl1, answered from cross-validated data.

What is Sb1Te2Tl1?

Sb1Te2Tl1 is a thermodynamically stable semiconducting material utilized in the development of advanced phase-change memory technologies.

More questions
What is Sb1Te2Tl1 used for?
Sb1Te2Tl1 is used in non-volatile memory devices, phase-change data storage, and semiconductor research.
What is the band gap of Sb1Te2Tl1?
Sb1Te2Tl1 has a DFT-computed band gap of 0.13 eV across 32 reported structures.
Is Sb1Te2Tl1 a metal, semiconductor, or insulator?
With a band gap up to 0.13 eV it is a semiconductor.
Is Sb1Te2Tl1 thermodynamically stable?
Yes — Sb1Te2Tl1 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of Sb1Te2Tl1?
The lowest-energy reported polymorph of Sb1Te2Tl1 is trigonal symmetry, space group R-3m (No. 166).
What is the density of Sb1Te2Tl1?
The computed density of the ground-state structure of Sb1Te2Tl1 is 7.07 g/cm³.
How many polymorphs of Sb1Te2Tl1 are known?
32 structures of Sb1Te2Tl1 are reported across 2 databases, spanning 15 distinct space groups.
What elements does Sb1Te2Tl1 contain?
Sb1Te2Tl1 contains Sb, Te, and Tl (3 elements).
Where does the data for Sb1Te2Tl1 come from?
Sb1Te2Tl1 data is cross-referenced from materials_project, aflow.
Comparison

How It Compares

Within the phase-change memory materials class.

Within the diverse landscape of phase-change memory materials, Sb1Te2Tl1 offers a distinct chemical profile compared to the heavily studied Ge2Sb2Te5 or Sb2Te3. While many binary and ternary tellurides in this class rely on specific stoichiometry to balance switching speed and thermal stability, the inclusion of thallium in this structure provides a unique electronic environment that differentiates its performance characteristics from common siblings like AgSbTe2.

Explore

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).
  • aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).

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