Domain wall conduction in bismuth ferrite

Ferroelectric bismuth ferrite has been extensively studied as a candidate material for high-temperature piezoelectric devices. One of the drawbacks of this material is its high electrical conductivity which mostly stems from the local conduction at the domain walls. Using state-of-the-art aberration corrected electron microscopy, dr. Tadej Rojac and dr. Goran Dražić explain the p-type conduction mechanism at the domain walls of bismuth ferrite and thus contributed the missing piece for explaining domain-wall conduction in ferroelectrics.

By: ana / Jan. 17, 2017

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