Effect of heat treatment on the martensite phase and magnetic properties of chemically synthesized Co2NiGa nanoparticles

Key Points

• The study reveals a reversible martensite ↔ austenite phase transition in Co2NiGa nanoparticles, which affects their magnetic properties.
• Maximum Curie temperatures were identified with specific heat treatment protocols, demonstrating significant structural changes.
• Assessment using heat treatment illustrated the evolution of magnetic properties during the phase transition in Co2NiGa nanoparticles.
• This work highlights the importance of controlling heat treatment for optimizing the magnetic properties in future applications.