Nano-SQUID for High Sensitive Nanoscale Applications: NanoSQUID fabrication, characterization and its application for nanoparticle magnetization detection

In this work, we have presented high sensitive nanoSQUID fabricated into two different types, hysteretic and nonhysteretic (I-V characteristics). Non-hysteretic SQUID is easy/simple to fabricate and reproduce. Hence it is more reliable for practical applications. We have reported the nanoparticle detection via magnetisation measurement using non-hysteretic SQUID. Due to the recent successful efforts devoted to finely arrange the nano-particles within the sensor loop, the information provided here is very useful to optimize the sensor performance in view of most nano-magnetism applications.