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Broadband dielectric spectroscopy for monitoring temperature-dependent chloride ion motion in BiOCl plates

The dielectric properties and electrical conduction mechanism of bismuth oxychloride (BiOCl) plates synthesized using chloramine-T as the chloride ion source were investigated. Thermally-activated structure rebuilding was monitored using broadband dielectric spectroscopy, which showed that the onset...

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Autores principales: Radoń, Adrian, Łukowiec, Dariusz, Włodarczyk, Patryk
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7744526/
https://www.ncbi.nlm.nih.gov/pubmed/33328552
http://dx.doi.org/10.1038/s41598-020-79018-2
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author Radoń, Adrian
Łukowiec, Dariusz
Włodarczyk, Patryk
author_facet Radoń, Adrian
Łukowiec, Dariusz
Włodarczyk, Patryk
author_sort Radoń, Adrian
collection PubMed
description The dielectric properties and electrical conduction mechanism of bismuth oxychloride (BiOCl) plates synthesized using chloramine-T as the chloride ion source were investigated. Thermally-activated structure rebuilding was monitored using broadband dielectric spectroscopy, which showed that the onset temperature of this process was 283 K. This rebuilding was related to the introduction of free chloride ions into [Bi(2)O(2)](2+) layers and their growth, which increased the intensity of the (101) diffraction peak. The electrical conductivity and dielectric permittivity were related to the movement of chloride ions between plates (in the low-frequency region), the interplanar motion of Cl(−) ions at higher frequencies, vibrations of these ions, and charge carrier hopping at frequencies above 10 kHz. The influence of the free chloride ion concentration on the electrical conductivity was also described. Structure rebuilding was associated with a lower concentration of free chloride ions, which significantly decreased the conductivity. According to the analysis, the BiOCl plate conductivity was related to the movement of Cl(−) ions, not electrons.
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spelling pubmed-77445262020-12-17 Broadband dielectric spectroscopy for monitoring temperature-dependent chloride ion motion in BiOCl plates Radoń, Adrian Łukowiec, Dariusz Włodarczyk, Patryk Sci Rep Article The dielectric properties and electrical conduction mechanism of bismuth oxychloride (BiOCl) plates synthesized using chloramine-T as the chloride ion source were investigated. Thermally-activated structure rebuilding was monitored using broadband dielectric spectroscopy, which showed that the onset temperature of this process was 283 K. This rebuilding was related to the introduction of free chloride ions into [Bi(2)O(2)](2+) layers and their growth, which increased the intensity of the (101) diffraction peak. The electrical conductivity and dielectric permittivity were related to the movement of chloride ions between plates (in the low-frequency region), the interplanar motion of Cl(−) ions at higher frequencies, vibrations of these ions, and charge carrier hopping at frequencies above 10 kHz. The influence of the free chloride ion concentration on the electrical conductivity was also described. Structure rebuilding was associated with a lower concentration of free chloride ions, which significantly decreased the conductivity. According to the analysis, the BiOCl plate conductivity was related to the movement of Cl(−) ions, not electrons. Nature Publishing Group UK 2020-12-16 /pmc/articles/PMC7744526/ /pubmed/33328552 http://dx.doi.org/10.1038/s41598-020-79018-2 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Radoń, Adrian
Łukowiec, Dariusz
Włodarczyk, Patryk
Broadband dielectric spectroscopy for monitoring temperature-dependent chloride ion motion in BiOCl plates
title Broadband dielectric spectroscopy for monitoring temperature-dependent chloride ion motion in BiOCl plates
title_full Broadband dielectric spectroscopy for monitoring temperature-dependent chloride ion motion in BiOCl plates
title_fullStr Broadband dielectric spectroscopy for monitoring temperature-dependent chloride ion motion in BiOCl plates
title_full_unstemmed Broadband dielectric spectroscopy for monitoring temperature-dependent chloride ion motion in BiOCl plates
title_short Broadband dielectric spectroscopy for monitoring temperature-dependent chloride ion motion in BiOCl plates
title_sort broadband dielectric spectroscopy for monitoring temperature-dependent chloride ion motion in biocl plates
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7744526/
https://www.ncbi.nlm.nih.gov/pubmed/33328552
http://dx.doi.org/10.1038/s41598-020-79018-2
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