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. 2014 Jan 15;26(2):293-8.
doi: 10.1002/adma.201303567. Epub 2013 Oct 18.

Ferroelectric domain wall injection

Jonathan R Whyte  1 , Raymond G P McQuaid, Pankaj Sharma, Carlota Canalias, James F Scott, Alexei Gruverman, J Marty Gregg
Affiliations

Ferroelectric domain wall injection

Jonathan R Whyte et al. Adv Mater. .

Abstract

Ferroelectric domain wall injection has been demonstrated by engineering of the local electric field, using focused ion beam milled defects in thin single crystal lamellae of KTiOPO4 (KTP). The electric field distribution (top) displays localized field hot-spots, which correlate with nucleation events (bottom). Designed local field variations can also dictate subsequent domain wall mobility, demonstrating a new paradigm in ferroelectric domain wall control.

Keywords: domain wall engineering; electric field engineering; ferroelectric; injection; positioning.

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