CoPt

cobalt platinum · platinum-cobalt

Cobalt platinum is a metallic alloy known for its significant magnetic properties and structural stability. It is frequently utilized in advanced data storage technologies and high-performance magnetic components due to its ability to maintain magnetic orientation.

Crystal structure of CoPt (tetragonal, P4/mmm (No. 123))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for cobalt platinum, 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

51
5 databases, 13 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of CoPt. 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
Crystallography

Reported Structures

Lowest-energy structures reported for CoPt, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P4/mmm (No. 123)tetragonal0.000.0000-6.67515.79
R-3m (No. 166)trigonal0.000.0587-6.61715.71
P4/mmm (No. 123)Tetragonal16.25
P-1 (No. 2)Triclinic10.22
P63mc (No. 186)Hexagonal11.78
C2/m (No. 12)Monoclinic15.14
Pm (No. 6)Monoclinic15.39
P1 (No. 1)Triclinic10.02
Cm (No. 8)Monoclinic15.97
P63mc (No. 186)Hexagonal11.25
Pm (No. 6)Monoclinic12.43
P-1 (No. 2)Triclinic10.51
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting CoPt.

Sol-Gel
Procedure available · ceder_solid_state
Uses

Applications

Where cobalt platinum is used.

magnetic data storagehard disk drivescatalysismicro-electromechanical systems
Reference

Frequently Asked Questions

Common questions about cobalt platinum, answered from cross-validated data.

What is CoPt?

Cobalt platinum is a metallic alloy known for its significant magnetic properties and structural stability. It is frequently utilized in advanced data storage technologies and high-performance magnetic components due to its ability to maintain magnetic orientation.

More questions
What is CoPt used for?
cobalt platinum (CoPt) is used in magnetic data storage, hard disk drives, catalysis, and micro-electromechanical systems.
What is the band gap of CoPt?
cobalt platinum (CoPt) is computed to be metallic (no band gap) in the reported DFT structures.
Is CoPt a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is CoPt thermodynamically stable?
Yes — cobalt platinum (CoPt) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of CoPt?
The lowest-energy reported polymorph of cobalt platinum (CoPt) is tetragonal symmetry, space group P4/mmm (No. 123).
What is the density of CoPt?
The computed density of the ground-state structure of cobalt platinum (CoPt) is 15.79 g/cm³.
How many polymorphs of CoPt are known?
51 structures of CoPt are reported across 5 databases, spanning 13 distinct space groups.
How is CoPt synthesized?
Literature-reported routes for CoPt include sol-gel.
What elements does CoPt contain?
cobalt platinum (CoPt) contains Co and Pt (2 elements).
Where does the data for CoPt come from?
CoPt data is cross-referenced from materials_project, mpaloe, jarvis.
Explore

Related Compounds

Other Platinum-Group Alloy Catalysts in the database.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • mpaloe — Data from mpaloe.
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).

Analyze CoPt in the Lattice Graph platform

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

Explore the Platform →