Probing Ferroelectric Domain Engineering in BiFeO3 Thin Films by Second Harmonic Generation
- 14 July 2015
- journal article
- research article
- Published by Wiley in Advanced Materials
- Vol. 27 (33) , 4871-4876
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.Keywords
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