NanoSQUID On Tip Scanning Microscopy Mentors Andrea Young, Marec Serlin, and Charles Tschirhart (Physics)
Jiacheng Zhu

Superconducting Quantum Interference Devices (SQUIDs) can detect magnetic signals with very high precision. In scanning SQUID microscopy, the conventional SQUID is limited in spatial resolution due to the difficulty of getting close to the sample and by the size of the SQUID. Conventional SQUID microscopy also cannot operate in high magnetic fields. In my talk, I will present a novel method of fabricating SQUIDs with diameters of 40 nm to 400 nm on the tip of a quartz micropipette. The resulting sensor has magnetic field sensitivity up to 1 Tesla and can perform magnetic field and thermal microscopy with great spatial resolution and extraordinary sensitivity.

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