SQUID (Superconducting Quantum Interference Device) magnetometry is a highly sensitive technique used to measure extremely subtle magnetic fields. It operates based on the principles of superconductivity and quantum interference, making it an essential tool in various fields, including Nanotechnology. The sensitivity of SQUID magnetometers can detect magnetic fields as small as 5 aT (attotesla), making them invaluable for investigating magnetic properties at the nanoscale.
