Domain Walls (IMAGE)

DOE/Lawrence Berkeley National Laboratory

Domain Walls

Caption

These nanoscale images of bismuth ferrite thin films show ordered arrays of 71 degree domain walls (top) and 109 degree doman walls (bottom). By changing the polarization direction of the bismuth ferrite, these domain walls give rise to the photovoltaic effect.

Credit

Image from Seidel, et. al.

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