Probing Ferroelectric Domain Engineering in BiFeO3 Thin Films by Second Harmonic Generation.
basic_science · Level V
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- Record sourced from PubMed, PMID 26175000.
- Also identified by DOI 10.1002/adma.201501636.
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Abstract
An optical probe of the ferroelectric domain distribution and manipulation in BiFeO3 thin films is reported using optical second harmonic generation. A unique relation between the domain distribution and its integral symmetry is established. The ferroelectric signature is even resolved when the film is covered by a top electrode. The effect of voltage-induced ferroelectric switching is imaged.