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Recently, a research team spearheaded by Associate Researcher Zhang Lu and Researcher Chen Lei at the Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, has achieved a significant milestone in the realm of low-temperature magnetic imaging technology. They have successfully engineered a novel magnetic microprobe, utilizing superconducting niobium nitride (NbN) material integrated within a three-dimensional nanobridge architecture. This innovation has substantially elevated the spatial resolution of scanning magnetic microscopy, leveraging superconducting quantum interference device (SQUID) technology, to an impressive 80 nanometers. This breakthrough offers a potent new tool for the investigation of quantum materials and devices. The research outcomes have been duly published in the esteemed journal ACS Nano.
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