Tri-cation doped Ni0.1Cu0.1Mn0.8Fe2O4 nanoparticles for ultra-sensitive, fast-response magnetoresistive sensors in weak magnetic fields

Key Points

• Optimized tri-cation doped Ni0.1Cu0.1Mn0.8Fe2O4 nanoparticles yield ultra-sensitive magnetoresistance.
• The sensitivity levels reached up to 50% in weak magnetic fields, demonstrating exceptional performance.
• The assessment showcases rapid response times for magnetoresistive sensors, enhancing their utility.
• Significant advancements in sensor technology could lead to novel applications in various fields, pending real-world testing.