Temperature Effect on the Stability of the Polarized State Created by Local Electric Fields in Strontium Barium Niobate Single Crystals

Abstract The stability of ferroelectric domain patterns at the nanoscale has been a topic of much interest for many years. We investigated the relaxation of the polarized state created by application of a local electric field using a conductive tip of a scanning probe microscope for the model uniaxi...

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Autores principales:	V. Ya. Shur, V. A. Shikhova, D. O. Alikin, V. A. Lebedev, L. I. Ivleva, J. Dec, D. C. Lupascu, V. V. Shvartsman
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9af5ca9f695042069fa89a4173979213
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spelling	oai:doaj.org-article:9af5ca9f695042069fa89a41739792132021-12-02T12:30:27ZTemperature Effect on the Stability of the Polarized State Created by Local Electric Fields in Strontium Barium Niobate Single Crystals10.1038/s41598-017-00172-12045-2322https://doaj.org/article/9af5ca9f695042069fa89a41739792132017-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00172-1https://doaj.org/toc/2045-2322Abstract The stability of ferroelectric domain patterns at the nanoscale has been a topic of much interest for many years. We investigated the relaxation of the polarized state created by application of a local electric field using a conductive tip of a scanning probe microscope for the model uniaxial relaxor system SrxBa1−xNb2O6 (SBN) in its pure and Ce-doped form. The temporal relaxation of the induced PFM contrast was measured at various temperatures. The average value of the induced contrast decreases during heating for all investigated crystals. Below the freezing temperature the induced state remains stable after an initial relaxation. Above the freezing temperature the induced state is unstable and gradually decays with time. The stability of the induced state is strongly affected by the measuring conditions, so continuous scanning results in a faster decay of the poled domain. The obtained effects are attributed to a decrease of the induced polarization and backswitching of the polarized area under the action of the depolarization field.V. Ya. ShurV. A. ShikhovaD. O. AlikinV. A. LebedevL. I. IvlevaJ. DecD. C. LupascuV. V. ShvartsmanNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-7 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q V. Ya. Shur V. A. Shikhova D. O. Alikin V. A. Lebedev L. I. Ivleva J. Dec D. C. Lupascu V. V. Shvartsman Temperature Effect on the Stability of the Polarized State Created by Local Electric Fields in Strontium Barium Niobate Single Crystals
description	Abstract The stability of ferroelectric domain patterns at the nanoscale has been a topic of much interest for many years. We investigated the relaxation of the polarized state created by application of a local electric field using a conductive tip of a scanning probe microscope for the model uniaxial relaxor system SrxBa1−xNb2O6 (SBN) in its pure and Ce-doped form. The temporal relaxation of the induced PFM contrast was measured at various temperatures. The average value of the induced contrast decreases during heating for all investigated crystals. Below the freezing temperature the induced state remains stable after an initial relaxation. Above the freezing temperature the induced state is unstable and gradually decays with time. The stability of the induced state is strongly affected by the measuring conditions, so continuous scanning results in a faster decay of the poled domain. The obtained effects are attributed to a decrease of the induced polarization and backswitching of the polarized area under the action of the depolarization field.
format	article
author	V. Ya. Shur V. A. Shikhova D. O. Alikin V. A. Lebedev L. I. Ivleva J. Dec D. C. Lupascu V. V. Shvartsman
author_facet	V. Ya. Shur V. A. Shikhova D. O. Alikin V. A. Lebedev L. I. Ivleva J. Dec D. C. Lupascu V. V. Shvartsman
author_sort	V. Ya. Shur
title	Temperature Effect on the Stability of the Polarized State Created by Local Electric Fields in Strontium Barium Niobate Single Crystals
title_short	Temperature Effect on the Stability of the Polarized State Created by Local Electric Fields in Strontium Barium Niobate Single Crystals
title_full	Temperature Effect on the Stability of the Polarized State Created by Local Electric Fields in Strontium Barium Niobate Single Crystals
title_fullStr	Temperature Effect on the Stability of the Polarized State Created by Local Electric Fields in Strontium Barium Niobate Single Crystals
title_full_unstemmed	Temperature Effect on the Stability of the Polarized State Created by Local Electric Fields in Strontium Barium Niobate Single Crystals
title_sort	temperature effect on the stability of the polarized state created by local electric fields in strontium barium niobate single crystals
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/9af5ca9f695042069fa89a4173979213
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Temperature Effect on the Stability of the Polarized State Created by Local Electric Fields in Strontium Barium Niobate Single Crystals

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