Ba1Ca1Na2

Ba1Ca1Na2 is an unstable, semiconducting ternary compound consisting of barium, calcium, and sodium.

BaCaNa
Crystal structure of Ba1Ca1Na2
Ground-state structure · Materials Project
Overview

About Ba1Ca1Na2

Ba1Ca1Na2 is a complex ternary compound composed of barium, calcium, and sodium. As a semiconducting material, it exhibits electronic properties that distinguish it from simple metallic alloys, placing it as a subject of interest for fundamental solid-state research.

Despite its structural diversity, with numerous reported configurations, the compound is characterized as being above the thermodynamic hull. This suggests that the material is inherently unstable under standard conditions, making it a challenging subject for experimental synthesis and practical integration.

At a glance

Key Properties

Cross-validated computational properties for Ba1Ca1Na2, aggregated across 2 databases.

Band Gap

0.22 eV
Range across DFT structures

Energy Above Hull

1.033 eV/atom
Best (lowest) across sources

Stability

Above hull
1 DFT source

Structures

26
2 databases, 17 space groups
Reference

Frequently Asked Questions

Common questions about Ba1Ca1Na2, answered from cross-validated data.

What is Ba1Ca1Na2?

Ba1Ca1Na2 is an unstable, semiconducting ternary compound consisting of barium, calcium, and sodium.

More questions
What is the band gap of Ba1Ca1Na2?
Ba1Ca1Na2 has a DFT-computed band gap of 0.22 eV across 26 reported structures.
Is Ba1Ca1Na2 a metal, semiconductor, or insulator?
With a band gap up to 0.22 eV it is a semiconductor.
Is Ba1Ca1Na2 thermodynamically stable?
Ba1Ca1Na2 has a lowest energy above hull of 1.033 eV/atom (above hull).
How many polymorphs of Ba1Ca1Na2 are known?
26 structures of Ba1Ca1Na2 are reported across 2 databases, spanning 17 distinct space groups.
What elements does Ba1Ca1Na2 contain?
Ba1Ca1Na2 contains Ba, Ca, and Na (3 elements).
Where does the data for Ba1Ca1Na2 come from?
Ba1Ca1Na2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique ternary intermetallic, Ba1Ca1Na2 represents a specialized case within its structural class. Without direct siblings to compare against, it stands as an example of the complex phase space accessible to alkaline earth and alkali metal combinations, highlighting the delicate balance required to achieve thermodynamic stability in such systems.

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

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