Credit: Image courtesy of Department of Materials Science & Engineering, Texas A&M University
(Top) Cross-sectional transmission electron microscopy (TEM) image of vertically aligned La0.75Ba0.25MnO3 (LSMO) film showing a BiFeO3 (BFO) pillar embedded in the LSMO matrix. These structures were grown lattice matched onto a SrTiO3 (STO) substrate. The inset shows a low magnification cross-sectional TEM image, illustrating the alternating growth of LSMO and BFO vertical pillars. (Bottom) Schematic illustration of the antiferromagnetic (AFM) and ferromagnetic (FM) layers in the vertically aligned nanocomposite film. In the figure, t = thickness.