Band Excitation (BE) of BiFeO3 nanoparticle on (LaxSr1-x)MnO3 substrate

BE PFM imaging, (a) Surface topography, (b) resonant amplitude, (c) phase, (d) resonant frequency, (e) quality factor, and (f) phase map (single frequency PFM), for BiFeO3 nanoparticle on (LaxSr1-x )MnO3 substrate. Imaging by R. Vasudevan (University of New South Wales, Australia) and A. Kumar (ORNL). Sample courtesy P.A. Joy and H.S. Potdar, HSP/PAJ, NLL, India.