MnNi

MnNi is a thermodynamically stable metallic compound composed of manganese and nickel that is frequently studied for its structural and magnetic properties.

MnNi
Crystal structure of MnNi
Ground-state structure · Materials Project
Overview

About MnNi

MnNi is a metallic intermetallic compound formed from manganese and nickel. It is characterized by its thermodynamic stability, sitting directly on the convex hull, which indicates a robust energetic state that facilitates its formation and persistence in various processing conditions.

Due to its metallic nature, this compound is primarily investigated for its magnetic and structural properties in alloy research. Its high data richness, supported by numerous reported structures, highlights its significance as a model system for understanding binary transition metal interactions.

At a glance

Key Properties

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

Band Gap

Metallic / not reported

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

48
4 databases, 13 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of MnNi. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

1.00 / 1.00
Trust tier: medium

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

2
jarvis, materials_project

Space Group Consensus

All match
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting MnNi.

Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Uses

Applications

Where MnNi is used.

Alloy researchMagnetic materials developmentFundamental condensed matter studies
Reference

Frequently Asked Questions

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

What is MnNi?

MnNi is a thermodynamically stable metallic compound composed of manganese and nickel that is frequently studied for its structural and magnetic properties.

More questions
What is MnNi used for?
MnNi is used in alloy research, magnetic materials development, and fundamental condensed matter studies.
What is the band gap of MnNi?
MnNi is computed to be metallic (no band gap) in the reported DFT structures.
Is MnNi a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is MnNi thermodynamically stable?
Yes — MnNi sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of MnNi are known?
48 structures of MnNi are reported across 4 databases, spanning 13 distinct space groups.
How is MnNi synthesized?
Literature-reported routes for MnNi include sol gel (10 procedures documented).
What elements does MnNi contain?
MnNi contains Mn and Ni (2 elements).
Where does the data for MnNi come from?
MnNi data is cross-referenced from latticegraph.
Comparison

How It Compares

As a stable binary intermetallic, MnNi serves as a foundational reference point for studying the phase behavior and magnetic interactions within manganese-nickel systems, providing essential insights into how these transition metals organize at the atomic scale.

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

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