Abstract
A hybrid imaging mode was developed for characterizing samples of magnetic FeNi3 nanoparticles, which combines contact-mode atomic force microscopy (AFM) with magnetic modulation of samples. For conventional magnetic imaging modes of AFM, magnetically coated tips are used directly as a sensor to measure the relatively long-range forces of magnetic samples in a noncontact configuration. For the magnetic sample modulation (MSM) configuration, however, the changes in sample dynamics form the basis for measurements of material properties using contact-mode AFM. Nanoparticles are driven to vibrate in response to an externally applied electromagnetic field, and a nonmagnetic tip is used as a motion sensor for directly mapping the vibration with contact-mode. Intermetallic nanoparticles of FeNi3 were used as a model nanomaterial, synthesized by either conventional oven heating or microwave preparation. By slowly scanning an AFM probe across vibrating nanoparticles, changes in the frequency and amplitude of the s...
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.
