Controlled stripes of ultrafine ferroelectric domains

Ludwig Feigl (), Petr Yudin, Igor Stolichnov, Tomas Sluka, Konstantin Shapovalov, Mahamudu Mtebwa, Cosmin S. Sandu, Xian-Kui Wei, Alexander K. Tagantsev and Nava Setter
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Ludwig Feigl: Ceramics Laboratory, Swiss Federal Institute of Technology (EPFL)
Petr Yudin: Ceramics Laboratory, Swiss Federal Institute of Technology (EPFL)
Igor Stolichnov: Ceramics Laboratory, Swiss Federal Institute of Technology (EPFL)
Tomas Sluka: Ceramics Laboratory, Swiss Federal Institute of Technology (EPFL)
Konstantin Shapovalov: Ceramics Laboratory, Swiss Federal Institute of Technology (EPFL)
Mahamudu Mtebwa: Ceramics Laboratory, Swiss Federal Institute of Technology (EPFL)
Cosmin S. Sandu: Ceramics Laboratory, Swiss Federal Institute of Technology (EPFL)
Xian-Kui Wei: Ceramics Laboratory, Swiss Federal Institute of Technology (EPFL)
Alexander K. Tagantsev: Ceramics Laboratory, Swiss Federal Institute of Technology (EPFL)
Nava Setter: Ceramics Laboratory, Swiss Federal Institute of Technology (EPFL)

Nature Communications, 2014, vol. 5, issue 1, 1-9

Abstract: Abstract In the pursuit of ferroic-based (nano)electronics, it is essential to minutely control domain patterns and domain switching. The ability to control domain width, orientation and position is a prerequisite for circuitry based on fine domains. Here, we develop the underlying theory towards growth of ultra-fine domain patterns, substantiate the theory by numerical modelling of practical situations and implement the gained understanding using the most widely applied ferroelectric, Pb(Zr,Ti)O3, demonstrating controlled stripes of 10 nm wide domains that extend in one direction along tens of micrometres. The observed electrical conductivity along these thin domains embedded in the otherwise insulating film confirms their potential for electronic applications.

Date: 2014
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DOI: 10.1038/ncomms5677

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