Extended Data Fig. 4: Exhibition of BFO film with tail-to-tail domain wall on large scale and in long time. | Nature

Extended Data Fig. 4: Exhibition of BFO film with tail-to-tail domain wall on large scale and in long time.

From: In-plane charged domain walls with memristive behaviour in a ferroelectric film

Extended Data Fig. 4: Exhibition of BFO film with tail-to-tail domain wall on large scale and in long time.

a, The HAADF-STEM image of BFO film with atomically flat charged domain wall on a large scale. Scale bars, 5 nm. b, The charged domain wall in BFO film after 24 months. The area is highlighted by a yellow rectangle in (a). Tail-to-tail state still maintained for over 24 months. Scale bars, 2 nm.

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