Phase-field modeling and electronic structural analysis of flexoelectric effect at 180° domain walls in ferroelectric PbTiO3

The flexoelectric effect is the coupling between strain, polarization, and their gradients, which are prominent at the nanoscale. Although this effect is important to understand nanostructures, such as domain walls in ferroelectrics, its electronic mechanism is not clear. In this work, we combined p...

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Veröffentlicht in:	Journal of applied physics 2017-12, Vol.122 (22)
Hauptverfasser:	Wang, Yu-Jia, Li, Jiangyu, Zhu, Yin-Lian, Ma, Xiu-Liang
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied physics Charge density Computer simulation Domain walls Ferroelectric materials Ferroelectricity Ferroelectrics First principles Lead titanates Magnetic fields Magnetism Polarization Structural analysis
Online-Zugang:	Volltext
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