OsSc2Tl

OsSc2Tl is a semimetallic ternary compound containing osmium, scandium, and thallium that is currently the subject of theoretical structural investigation.

OsScTl
Crystal structure of OsSc2Tl
Ground-state structure · Materials Project
Overview

About OsSc2Tl

OsSc2Tl is a complex ternary compound composed of osmium, scandium, and thallium. Its electronic structure exhibits semimetallic behavior, characterized by a near-zero gap that suggests unique charge carrier dynamics within its lattice framework.

This material is primarily of interest in fundamental condensed matter studies. Due to its position above the thermodynamic hull, it is considered likely unstable, which presents significant challenges for experimental synthesis and long-term structural characterization.

At a glance

Key Properties

Cross-validated computational properties for OsSc2Tl, aggregated across 3 databases.

Band Gap

0.10 eV
Range across DFT structures

Energy Above Hull

2.620 eV/atom
Best (lowest) across sources

Stability

Above hull
2 DFT sources

Structures

3
3 databases, 2 space groups
Uses

Applications

Where OsSc2Tl is used.

Fundamental materials researchCondensed matter physics studies
Reference

Frequently Asked Questions

Common questions about OsSc2Tl, answered from cross-validated data.

What is OsSc2Tl?

OsSc2Tl is a semimetallic ternary compound containing osmium, scandium, and thallium that is currently the subject of theoretical structural investigation.

More questions
What is OsSc2Tl used for?
OsSc2Tl is used in fundamental materials research and condensed matter physics studies.
What is the band gap of OsSc2Tl?
OsSc2Tl has a DFT-computed band gap of 0.10 eV across 3 reported structures.
Is OsSc2Tl a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is OsSc2Tl thermodynamically stable?
OsSc2Tl has a lowest energy above hull of 2.620 eV/atom (above hull).
How many polymorphs of OsSc2Tl are known?
3 structures of OsSc2Tl are reported across 3 databases, spanning 2 distinct space groups.
What elements does OsSc2Tl contain?
OsSc2Tl contains Os, Sc, and Tl (3 elements).
Where does the data for OsSc2Tl come from?
OsSc2Tl data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique ternary phase, OsSc2Tl represents a specialized case in materials discovery. Without close structural siblings to compare against, its behavior is defined by the interplay of its heavy transition metal and rare-earth components, which dictate its complex and potentially metastable nature.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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