Ferroelectric stripe domains on PZT (AFAM)

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AFM Topography and Atomic Force Acoustic Microscopy (AFAM) images of PZT. Stripe ferroelectric domain structure are clearly visible on AFAM image due to the difference in local Young's moduli of domains of different polarization.
Sample courtesy of Prof. Walter Arnold, Fraunhofer Institute for Nondestructive Testing, Saarbruecken, Germany.