The drastic increase in the magnetic properties of Ni–Fe-Pb nanostructures synthesized via the sol–gel method under an argon gas atmosphere

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• Magnetic properties significantly increase as Ni–Fe-Pb nanostructures are synthesized under an argon atmosphere, highlighting key advancements.
• The study reveals that using an argon gas environment during synthesis leads to a dramatic change in magnetic characteristics.
• Assessment using the sol-gel method provides a novel approach to creating these enhanced nanostructures, adding value to material design.
• This highlights potential for applications in electronics and magnetic devices, though scalability remains a consideration.