Miniaturizing electromagnetic coils enhances magnetic field generation for micro-sensor applications but requires effective heat dissipation to manage Joule heating. Here, through innovative radial heat flux design, the authors present microcoils achieving static fields over 600 mT and field gradients exceeding 106 Tm−1 at room temperature, enabling applications in magnetic sensors such as switchable magnetic force microscopy probes.
- Aniruddha Sathyadharma Prasad
- Rachappa Ravishankar
- Thomas Mühl
