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This research aims to understand the formation of superdomain bands in ferroelectric dots and their scaling behavior.

Scaling of superdomain bands in ferroelectric dots

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This research aims to understand the formation of superdomain bands in ferroelectric dots and their scaling behavior.
Utilized vector piezoresponse force microscopy to observe polarization in BaTiO3 dots.
Examined structural dimensions and their effect on superdomain patterns, focusing on dots < 2 μm.
Analyzed Landau–Kittel free energy models to rationalize observed patterns.
Superdomain bands exhibit resolved polarization aligned along the ⟨110⟩ direction.
Dots with dimensions < 2 μm show scaling with width proportional to lateral depolarizing fields.
Larger dot structures exhibit breakdown of scaling laws observed in smaller dots.

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Randomized trial shows formation of ordered superdomain bands in ferroelectric dots, indicating unique scaling behaviors at different sizes.

McGilly et al. (2011) studied this question.

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Randomized trial shows formation of ordered superdomain bands in ferroelectric dots, indicating unique scaling behaviors at different sizes.