Characterizations of the PZT/SNNO/LSMO heterostructures. a) Cross-sectional HRTEM image. b) HR-STEM image of a similar region as in (a) at a lower magnification, with superimposed EELS maps of Ti L2,3, Nd M4,5, and La M4,5 edges. c) High-angle annular dark field (HAADF) image and EDS maps of Mn, Ni, Pb, and Ti. d,e) PFM Characterizations of a sample with 1.5-nm SNNO/2-nm LSMO channel.
(provided by Mark A. Koten)