ScTc2

ScTc2 is a thermodynamically stable metallic intermetallic compound formed from scandium and technetium.

ScTc
Crystal structure of ScTc2
Ground-state structure · Materials Project
Overview

About ScTc2

ScTc2 is a metallic compound composed of scandium and technetium. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement of these transition metals. The material exhibits characteristic metallic electronic behavior, lacking a band gap, which is typical for intermetallic phases of this nature. Its presence in multiple structural databases highlights its significance in fundamental materials science research. Given its stable configuration, it serves as an important subject for studying the interactions between group three and group seven transition elements. Researchers often investigate such compounds to better understand the phase stability and electronic properties of complex binary metal systems.

At a glance

Key Properties

Cross-validated computational properties for ScTc2, aggregated across 4 databases.

Band Gap

Metallic / not reported

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
3 DFT sources

Structures

42
4 databases, 13 space groups
Uses

Applications

Where ScTc2 is used.

Fundamental materials science researchStudy of transition metal phase stability
Reference

Frequently Asked Questions

Common questions about ScTc2, answered from cross-validated data.

What is ScTc2?

ScTc2 is a thermodynamically stable metallic intermetallic compound formed from scandium and technetium.

More questions
What is ScTc2 used for?
ScTc2 is used in fundamental materials science research and study of transition metal phase stability.
What is the band gap of ScTc2?
ScTc2 is computed to be metallic (no band gap) in the reported DFT structures.
Is ScTc2 a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is ScTc2 thermodynamically stable?
Yes — ScTc2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of ScTc2 are known?
42 structures of ScTc2 are reported across 4 databases, spanning 13 distinct space groups.
What elements does ScTc2 contain?
ScTc2 contains Sc and Tc (2 elements).
Where does the data for ScTc2 come from?
ScTc2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique binary metallic phase, ScTc2 occupies a distinct position in materials science where it serves as a reference point for investigating the alloying behavior of scandium with heavy transition metals like technetium.

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

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