As12Hf4Na20

As12Hf4Na20 is a thermodynamically stable, semiconducting ternary compound consisting of arsenic, hafnium, and sodium.

AsHfNa
Crystal structure of As12Hf4Na20
Ground-state structure · Materials Project
Overview

About As12Hf4Na20

As12Hf4Na20 is a complex inorganic compound featuring a precise arrangement of arsenic, hafnium, and sodium. As a thermodynamically stable phase located on the convex hull, it represents a robust structural configuration within its specific chemical system. Its electronic character is defined as semiconducting, which suggests potential utility in specialized electronic or optoelectronic applications where tunable conductivity is required. The material is characterized by its structural diversity, with multiple distinct arrangements reported in existing databases. This structural flexibility highlights the complex bonding interactions between the transition metal hafnium and the pnictogen arsenic in the presence of alkali sodium ions.

At a glance

Key Properties

Cross-validated computational properties for As12Hf4Na20, aggregated across 3 databases.

Band Gap

0.99 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
1 DFT source

Structures

3
3 databases, 2 space groups
Uses

Applications

Where As12Hf4Na20 is used.

Semiconductor researchSolid-state chemistry studiesMaterials science exploration
Reference

Frequently Asked Questions

Common questions about As12Hf4Na20, answered from cross-validated data.

What is As12Hf4Na20?

As12Hf4Na20 is a thermodynamically stable, semiconducting ternary compound consisting of arsenic, hafnium, and sodium.

More questions
What is As12Hf4Na20 used for?
As12Hf4Na20 is used in semiconductor research, solid-state chemistry studies, and materials science exploration.
What is the band gap of As12Hf4Na20?
As12Hf4Na20 has a DFT-computed band gap of 0.99 eV across 3 reported structures.
Is As12Hf4Na20 a metal, semiconductor, or insulator?
With a band gap up to 0.99 eV it is a semiconductor.
Is As12Hf4Na20 thermodynamically stable?
Yes — As12Hf4Na20 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of As12Hf4Na20 are known?
3 structures of As12Hf4Na20 are reported across 3 databases, spanning 2 distinct space groups.
What elements does As12Hf4Na20 contain?
As12Hf4Na20 contains As, Hf, and Na (3 elements).
Where does the data for As12Hf4Na20 come from?
As12Hf4Na20 data is cross-referenced from latticegraph.
Comparison

How It Compares

As an unclassified material within its chemical system, As12Hf4Na20 serves as a foundational example of how transition metals and pnictogens can stabilize into complex, semiconducting architectures. Unlike simpler binary compounds, this ternary phase demonstrates a unique stoichiometry that allows it to maintain thermodynamic stability, positioning it as a key subject for understanding phase formation in multi-element systems.

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

Analyze As12Hf4Na20 in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.

Explore the Platform →