Ba2In

Ba2In is a stable, metallic binary compound formed from barium and indium.

BaIn
Crystal structure of Ba2In
Ground-state structure · Materials Project
Overview

About Ba2In

Ba2In is a metallic intermetallic compound composed of barium and indium. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement of these elements that maintains integrity under standard conditions. Its metallic nature suggests high electrical conductivity, making it a subject of interest for fundamental studies in solid-state chemistry and alloy design. The compound is well-documented in materials databases, reflecting its significance in the exploration of binary phase diagrams. Its structural stability provides a reliable foundation for investigating the interactions between alkaline earth metals and post-transition metals.

At a glance

Key Properties

Cross-validated computational properties for Ba2In, aggregated across 5 databases.

Band Gap

Metallic / not reported

Energy Above Hull

0.001 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
4 DFT sources

Structures

29
5 databases, 8 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Ba2In.

Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where Ba2In is used.

Fundamental materials science researchAlloy development studiesSolid-state chemistry investigations
Reference

Frequently Asked Questions

Common questions about Ba2In, answered from cross-validated data.

What is Ba2In?

Ba2In is a stable, metallic binary compound formed from barium and indium.

More questions
What is Ba2In used for?
Ba2In is used in fundamental materials science research, alloy development studies, and solid-state chemistry investigations.
What is the band gap of Ba2In?
Ba2In is computed to be metallic (no band gap) in the reported DFT structures.
Is Ba2In a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is Ba2In thermodynamically stable?
Yes — Ba2In sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Ba2In are known?
29 structures of Ba2In are reported across 5 databases, spanning 8 distinct space groups.
How is Ba2In synthesized?
Literature-reported routes for Ba2In include sol gel, solid state (10 procedures documented).
What elements does Ba2In contain?
Ba2In contains Ba and In (2 elements).
Where does the data for Ba2In come from?
Ba2In data is cross-referenced from latticegraph.
Comparison

How It Compares

As a thermodynamically stable binary intermetallic, Ba2In serves as a key reference point for understanding the bonding and structural preferences within the barium-indium system, representing a distinct phase in the landscape of metallic compounds.

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

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