Abstract
We present results of niobium based SQUID magnetometers for which the weak links areengineered by the local oxidation of thin films using an atomic force microscope (AFM).Firstly, we show that this technique allows the creation of variable thickness bridges with10 nm lateral resolution. Precise control of the weak link milling is offered by the possibilityto monitor, in real-time, the weak link conductance. Such a process is shown to enhance themagnetic field modulation and hence the sensitivity of the magnetometer. Secondly, AFMlithography is used to provide a precise alignment of nanoSQUID weak links withrespect to a ferromagnetic iron dot. The magnetization switching of the near-fieldcoupled particle is studied as a function of the applied magnetic field direction.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
