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- Title
Intermittency, quasiperiodicity and chaos in probe-induced ferroelectric domain switching.
- Authors
Ievlev, A. V.; Jesse, S.; Morozovska, A. N.; Strelcov, E.; Eliseev, E. A.; Pershin, Y. V.; Kumar, A.; Shur, V. Ya.; Kalinin, S. V.
- Abstract
Memristive materials and devices, which enable information storage and processing on one and the same physical platform, offer an alternative to conventional von Neumann computation architectures. Their continuous spectra of states with intricate field-history dependence give rise to complex dynamics, the spatial aspect of which has not been studied in detail yet. Here, we demonstrate that ferroelectric domain switching induced by a scanning probe microscopy tip exhibits rich pattern dynamics, including intermittency, quasiperiodicity and chaos. These effects are due to the interplay between tip-induced polarization switching and screening charge dynamics, and can be mapped onto the logistic map. Our findings may have implications for ferroelectric storage, nanostructure fabrication and transistor-less logic.
- Subjects
INTERMITTENCY (Nuclear physics); CHAOS theory; FERROELECTRICITY; MATHEMATICAL domains; SWITCHING theory; INFORMATION storage &; retrieval systems; INFORMATION processing
- Publication
Nature Physics, 2014, Vol 10, Issue 1, p59
- ISSN
1745-2473
- Publication type
Article
- DOI
10.1038/nphys2796