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@ARTICLE{Wei:188026,
author = {Wei, Xiankui and Tagantsev, Alexander K. and Kvasov,
Alexander and Roleder, Krystian and Jia, Chun-Lin and
Setter, Nava},
title = {{F}erroelectric translational antiphase boundaries in
nonpolar materials},
journal = {Nature Communications},
volume = {5},
issn = {2041-1723},
address = {London},
publisher = {Nature Publishing Group},
reportid = {FZJ-2015-01512},
pages = {3031},
year = {2014},
abstract = {Ferroelectric materials are heavily used in
electro-mechanics and electronics. Inside the ferroelectric,
domain walls separate regions in which the spontaneous
polarization is differently oriented. Properties of
ferroelectric domain walls can differ from those of the
domains themselves, leading to new exploitable phenomena.
Even more exciting is that a non-ferroelectric material may
have domain boundaries that are ferroelectric. Many
materials possess translational antiphase boundaries. Such
boundaries could be interesting entities to carry
information if they were ferroelectric. Here we show first
that antiphase boundaries in antiferroelectrics may possess
ferroelectricity. We then identify these boundaries in the
classical antiferroelectric lead zirconate and evidence
their polarity by electron microscopy using negative
spherical-aberration imaging technique. Ab initio modelling
confirms the polar bi-stable nature of the walls.
Ferroelectric antiphase boundaries could make high-density
non-volatile memory; in comparison with the magnetic domain
wall memory, they do not require current for operation and
are an order of magnitude thinner.},
cin = {PGI-5},
ddc = {500},
cid = {I:(DE-Juel1)PGI-5-20110106},
pnm = {42G - Peter Grünberg-Centre (PG-C) (POF2-42G41)},
pid = {G:(DE-HGF)POF2-42G41},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000331083800014},
pubmed = {pmid:24398704},
doi = {10.1038/ncomms4031},
url = {https://juser.fz-juelich.de/record/188026},
}