Domain Wall Architecture in Tetragonal Ferroelectric Thin Films.
basic_science · Level V
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- Record sourced from PubMed, PMID 27936292.
- Also identified by DOI 10.1002/adma.201605145.
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Abstract
Non-Ising-like 180° ferroelectric domain wall architecture and domain distribution in tetragonal PbZr<sub>x</sub> Ti<sub>1-</sub><sub>x</sub> O<sub>3</sub> thin films are probed using a combination of optical second harmonic generation and scanning transmission electron microscopy. In the remnant state, a specific nonlinear optical signature of tilted 180° domain walls corresponding to a mixed Ising-Néel-type rotation of polarization across the wall is shown.