Al1Nb1Tc2

Al1Nb1Tc2 is a semimetallic ternary compound composed of aluminum, niobium, and technetium that is currently documented in structural databases.

AlNbTc
Crystal structure of Al1Nb1Tc2
Ground-state structure · Materials Project
Overview

About Al1Nb1Tc2

Al1Nb1Tc2 is a complex ternary compound composed of aluminum, niobium, and technetium. It exhibits a near-zero-gap electronic character, placing it in the category of semimetallic materials that bridge the gap between conductors and insulators.

Due to its position above the thermodynamic hull, this material is considered potentially unstable under standard conditions. Despite this, it remains a subject of interest in structural studies, with multiple reported configurations documented across materials databases.

At a glance

Key Properties

Cross-validated computational properties for Al1Nb1Tc2, aggregated across 2 databases.

Band Gap

0.02 eV
Range across DFT structures

Energy Above Hull

3.718 eV/atom
Best (lowest) across sources

Stability

Above hull
1 DFT source

Structures

26
2 databases, 16 space groups
Reference

Frequently Asked Questions

Common questions about Al1Nb1Tc2, answered from cross-validated data.

What is Al1Nb1Tc2?

Al1Nb1Tc2 is a semimetallic ternary compound composed of aluminum, niobium, and technetium that is currently documented in structural databases.

More questions
What is the band gap of Al1Nb1Tc2?
Al1Nb1Tc2 has a DFT-computed band gap of 0.02 eV across 26 reported structures.
Is Al1Nb1Tc2 a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is Al1Nb1Tc2 thermodynamically stable?
Al1Nb1Tc2 has a lowest energy above hull of 3.718 eV/atom (above hull).
How many polymorphs of Al1Nb1Tc2 are known?
26 structures of Al1Nb1Tc2 are reported across 2 databases, spanning 16 distinct space groups.
What elements does Al1Nb1Tc2 contain?
Al1Nb1Tc2 contains Al, Nb, and Tc (3 elements).
Where does the data for Al1Nb1Tc2 come from?
Al1Nb1Tc2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique ternary phase within this specific elemental combination, Al1Nb1Tc2 serves as a distinct point of reference for understanding the structural diversity of aluminum-niobium-technetium systems.

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

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