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Unusually stable ferroelectric 180deg a-a nanostripe domain structure in a thin (les100 nm) film prepared from a bulk single crystal of BaTiO3 with focused-ion beam (FIB) was observed by transmission electron microscopy (TEM). The domain consists of alternate sequences of narrow and wide anti-parallel domains. High-magnification images of a stable 180deg nanoneedle domain, with a sharp tip penetrating...
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