HfNi

HfNi is a stable, metallic intermetallic compound formed from hafnium and nickel that is frequently studied for its structural properties.

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

About HfNi

HfNi is a metallic intermetallic compound composed of hafnium and nickel. As a thermodynamically stable phase located on the convex hull, it represents a robust structural configuration that is highly favored in the chemical system.

With a high degree of data richness and numerous reported structures across multiple databases, this compound is a significant subject of study for researchers. Its metallic nature and stability make it a foundational material for investigating complex intermetallic bonding and phase formation.

At a glance

Key Properties

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

Band Gap

Metallic / not reported

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
3 DFT sources

Structures

73
5 databases, 14 space groups
Validation

Cross-Source DFT Agreement

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

Agreement Score

1.00 / 1.00
Trust tier: high

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

3
jarvis, materials_project, nomad

Space Group Consensus

All match
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting HfNi.

Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where HfNi is used.

Materials science researchIntermetallic phase studiesAlloy development
Reference

Frequently Asked Questions

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

What is HfNi?

HfNi is a stable, metallic intermetallic compound formed from hafnium and nickel that is frequently studied for its structural properties.

More questions
What is HfNi used for?
HfNi is used in materials science research, intermetallic phase studies, and alloy development.
What is the band gap of HfNi?
HfNi is computed to be metallic (no band gap) in the reported DFT structures.
Is HfNi a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is HfNi thermodynamically stable?
Yes — HfNi sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of HfNi are known?
73 structures of HfNi are reported across 5 databases, spanning 14 distinct space groups.
How is HfNi synthesized?
Literature-reported routes for HfNi include solid state (2 procedures documented).
What elements does HfNi contain?
HfNi contains Hf and Ni (2 elements).
Where does the data for HfNi come from?
HfNi data is cross-referenced from latticegraph.
Comparison

How It Compares

As a standalone entry in this context, HfNi serves as a primary example of a stable, metallic binary intermetallic. Its position on the convex hull highlights its reliability as a reference point for understanding hafnium-nickel interactions compared to less stable or metastable phases within the same elemental system.

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

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